./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa877ca2-0a0a-46dc-a4fc-dfc39b0e6555/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa877ca2-0a0a-46dc-a4fc-dfc39b0e6555/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa877ca2-0a0a-46dc-a4fc-dfc39b0e6555/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa877ca2-0a0a-46dc-a4fc-dfc39b0e6555/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa877ca2-0a0a-46dc-a4fc-dfc39b0e6555/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa877ca2-0a0a-46dc-a4fc-dfc39b0e6555/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6902fa5db06064b0376db3414320feba686bfb0885558f7fbc4950a2e3ffd6c5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:04:47,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:04:48,033 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa877ca2-0a0a-46dc-a4fc-dfc39b0e6555/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 05:04:48,040 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:04:48,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:04:48,075 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:04:48,076 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:04:48,077 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:04:48,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:04:48,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:04:48,079 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:04:48,079 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:04:48,080 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:04:48,080 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:04:48,081 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:04:48,081 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:04:48,082 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:04:48,083 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:04:48,083 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:04:48,084 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:04:48,084 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:04:48,085 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:04:48,086 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:04:48,086 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:04:48,091 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:04:48,091 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:04:48,092 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:04:48,092 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:04:48,092 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:04:48,093 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:04:48,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:04:48,094 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:04:48,098 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:04:48,099 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:04:48,099 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:04:48,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:04:48,100 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:04:48,100 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:04:48,100 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:04:48,101 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:04:48,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:04:48,102 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:04:48,102 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:04:48,102 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:04:48,103 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_fa877ca2-0a0a-46dc-a4fc-dfc39b0e6555/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa877ca2-0a0a-46dc-a4fc-dfc39b0e6555/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6902fa5db06064b0376db3414320feba686bfb0885558f7fbc4950a2e3ffd6c5 [2024-11-09 05:04:48,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:04:48,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:04:48,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:04:48,511 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:04:48,512 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:04:48,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa877ca2-0a0a-46dc-a4fc-dfc39b0e6555/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-09 05:04:50,967 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:04:51,865 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:04:51,866 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa877ca2-0a0a-46dc-a4fc-dfc39b0e6555/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2024-11-09 05:04:51,941 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa877ca2-0a0a-46dc-a4fc-dfc39b0e6555/bin/utaipan-verify-YMUCfTKeje/data/bccda757b/1f27ff2c0519496e8e92b2c9019a1e88/FLAG6eea6824a [2024-11-09 05:04:51,972 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa877ca2-0a0a-46dc-a4fc-dfc39b0e6555/bin/utaipan-verify-YMUCfTKeje/data/bccda757b/1f27ff2c0519496e8e92b2c9019a1e88 [2024-11-09 05:04:51,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:04:51,977 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:04:51,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:04:51,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:04:51,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:04:51,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:04:51" (1/1) ... [2024-11-09 05:04:51,994 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48b22648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:51, skipping insertion in model container [2024-11-09 05:04:51,994 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:04:51" (1/1) ... [2024-11-09 05:04:52,238 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:04:56,403 WARN L250 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_fa877ca2-0a0a-46dc-a4fc-dfc39b0e6555/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i[374492,374505] [2024-11-09 05:04:56,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:04:56,864 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:04:57,008 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"); [4285] [2024-11-09 05:04:57,010 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; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4292] [2024-11-09 05:04:57,011 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, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [4300-4301] [2024-11-09 05:04:57,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [4315] [2024-11-09 05:04:57,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [8724-8725] [2024-11-09 05:04:57,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [8739] [2024-11-09 05:04:57,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [8742] [2024-11-09 05:04:57,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [8745] [2024-11-09 05:04:57,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [8748] [2024-11-09 05:04:57,453 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [9330-9331] [2024-11-09 05:04:57,453 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [9335-9336] [2024-11-09 05:04:57,454 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___6->state): : "memory", "cc"); [9340-9341] [2024-11-09 05:04:57,454 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___7->state): : "memory", "cc"); [9345-9346] [2024-11-09 05:04:57,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" ((int *)user_arg), "i" (4UL)); [9603-9604] [2024-11-09 05:04:57,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [9691] [2024-11-09 05:04:57,491 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [9694] [2024-11-09 05:04:57,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [9697] [2024-11-09 05:04:57,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [9700] [2024-11-09 05:04:57,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [9703] [2024-11-09 05:04:57,502 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [9760-9761] [2024-11-09 05:04:57,502 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [9764-9765] [2024-11-09 05:04:57,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [9768-9769] [2024-11-09 05:04:57,504 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [9772-9773] [2024-11-09 05:04:57,504 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [9776-9777] [2024-11-09 05:04:57,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" ((int *)arg), "i" (4UL)); [9786-9787] [2024-11-09 05:04:57,538 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; btr %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [10548-10549] [2024-11-09 05:04:57,678 WARN L250 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_fa877ca2-0a0a-46dc-a4fc-dfc39b0e6555/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i[374492,374505] [2024-11-09 05:04:57,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:04:58,000 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:04:58,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:58 WrapperNode [2024-11-09 05:04:58,002 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:04:58,004 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:04:58,004 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:04:58,004 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:04:58,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:58" (1/1) ... [2024-11-09 05:04:58,207 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:58" (1/1) ... [2024-11-09 05:04:58,513 INFO L138 Inliner]: procedures = 495, calls = 4540, calls flagged for inlining = 165, calls inlined = 149, statements flattened = 8653 [2024-11-09 05:04:58,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:04:58,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:04:58,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:04:58,515 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:04:58,527 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:58" (1/1) ... [2024-11-09 05:04:58,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:58" (1/1) ... [2024-11-09 05:04:58,597 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:58" (1/1) ... [2024-11-09 05:04:58,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:58" (1/1) ... [2024-11-09 05:04:58,970 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:58" (1/1) ... [2024-11-09 05:04:59,023 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:58" (1/1) ... [2024-11-09 05:04:59,092 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:58" (1/1) ... [2024-11-09 05:04:59,130 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:58" (1/1) ... [2024-11-09 05:04:59,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:04:59,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:04:59,303 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:04:59,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:04:59,305 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:58" (1/1) ... [2024-11-09 05:04:59,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:04:59,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa877ca2-0a0a-46dc-a4fc-dfc39b0e6555/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:04:59,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa877ca2-0a0a-46dc-a4fc-dfc39b0e6555/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:04:59,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa877ca2-0a0a-46dc-a4fc-dfc39b0e6555/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:04:59,400 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-11-09 05:04:59,400 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-11-09 05:04:59,401 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_request_effect_upload [2024-11-09 05:04:59,402 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_request_effect_upload [2024-11-09 05:04:59,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-09 05:04:59,402 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-09 05:04:59,403 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2024-11-09 05:04:59,403 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2024-11-09 05:04:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_playback_pid [2024-11-09 05:04:59,404 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_playback_pid [2024-11-09 05:04:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_special_field [2024-11-09 05:04:59,404 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_special_field [2024-11-09 05:04:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 05:04:59,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 05:04:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure hid_reset [2024-11-09 05:04:59,405 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_reset [2024-11-09 05:04:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure usb_block_urb [2024-11-09 05:04:59,405 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_block_urb [2024-11-09 05:04:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2024-11-09 05:04:59,406 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2024-11-09 05:04:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_check_usage [2024-11-09 05:04:59,406 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_check_usage [2024-11-09 05:04:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2024-11-09 05:04:59,406 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2024-11-09 05:04:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_get_extra_descriptor [2024-11-09 05:04:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_get_extra_descriptor [2024-11-09 05:04:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_init_reports [2024-11-09 05:04:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_init_reports [2024-11-09 05:04:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2024-11-09 05:04:59,408 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2024-11-09 05:04:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-09 05:04:59,408 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-09 05:04:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure hid_suspend [2024-11-09 05:04:59,408 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_suspend [2024-11-09 05:04:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_erase_pid [2024-11-09 05:04:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_erase_pid [2024-11-09 05:04:59,410 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-09 05:04:59,410 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-09 05:04:59,410 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2024-11-09 05:04:59,410 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2024-11-09 05:04:59,410 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2024-11-09 05:04:59,412 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2024-11-09 05:04:59,412 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_devnode [2024-11-09 05:04:59,412 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_devnode [2024-11-09 05:04:59,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-09 05:04:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-09 05:04:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-09 05:04:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-09 05:04:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure hid_submit_out [2024-11-09 05:04:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_submit_out [2024-11-09 05:04:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume_common [2024-11-09 05:04:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume_common [2024-11-09 05:04:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:04:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_thread_lock_of_hiddev_list [2024-11-09 05:04:59,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_thread_lock_of_hiddev_list [2024-11-09 05:04:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure hid_output_report [2024-11-09 05:04:59,414 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_output_report [2024-11-09 05:04:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-09 05:04:59,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-09 05:04:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-09 05:04:59,414 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-09 05:04:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-09 05:04:59,415 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-09 05:04:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_power [2024-11-09 05:04:59,415 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_power [2024-11-09 05:04:59,416 INFO L130 BoogieDeclarations]: Found specification of procedure hid_free_buffers [2024-11-09 05:04:59,417 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_free_buffers [2024-11-09 05:04:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-09 05:04:59,417 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-09 05:04:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-09 05:04:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure hid_pidff_init [2024-11-09 05:04:59,418 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_pidff_init [2024-11-09 05:04:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure hid_find_max_report [2024-11-09 05:04:59,418 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_find_max_report [2024-11-09 05:04:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_existancelock_of_hiddev [2024-11-09 05:04:59,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_existancelock_of_hiddev [2024-11-09 05:04:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-09 05:04:59,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-09 05:04:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 05:04:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_autocenter [2024-11-09 05:04:59,420 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_autocenter [2024-11-09 05:04:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_request [2024-11-09 05:04:59,420 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_request [2024-11-09 05:04:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_ioctl [2024-11-09 05:04:59,420 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_ioctl [2024-11-09 05:04:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2024-11-09 05:04:59,420 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2024-11-09 05:04:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:04:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure hid_submit_ctrl [2024-11-09 05:04:59,421 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_submit_ctrl [2024-11-09 05:04:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-09 05:04:59,421 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-09 05:04:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-09 05:04:59,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-09 05:04:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_idle [2024-11-09 05:04:59,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_idle [2024-11-09 05:04:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2024-11-09 05:04:59,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2024-11-09 05:04:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2024-11-09 05:04:59,423 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2024-11-09 05:04:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-09 05:04:59,424 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-09 05:04:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_out_queue [2024-11-09 05:04:59,424 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_out_queue [2024-11-09 05:04:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-09 05:04:59,424 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-09 05:04:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_thread_lock_of_hiddev_list [2024-11-09 05:04:59,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_thread_lock_of_hiddev_list [2024-11-09 05:04:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-09 05:04:59,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-09 05:04:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_parse [2024-11-09 05:04:59,425 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_parse [2024-11-09 05:04:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2024-11-09 05:04:59,425 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2024-11-09 05:04:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_wait_io [2024-11-09 05:04:59,425 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_wait_io [2024-11-09 05:04:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-09 05:04:59,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-09 05:04:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_put_power [2024-11-09 05:04:59,426 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_put_power [2024-11-09 05:04:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 05:04:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2024-11-09 05:04:59,426 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2024-11-09 05:04:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_poll [2024-11-09 05:04:59,429 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_poll [2024-11-09 05:04:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:04:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-09 05:04:59,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-09 05:04:59,431 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_check_autocenter [2024-11-09 05:04:59,431 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_check_autocenter [2024-11-09 05:04:59,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 05:04:59,432 INFO L130 BoogieDeclarations]: Found specification of procedure hid_cease_io [2024-11-09 05:04:59,432 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_cease_io [2024-11-09 05:04:59,432 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-09 05:04:59,432 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-09 05:04:59,432 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-09 05:04:59,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-09 05:04:59,432 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-11-09 05:04:59,432 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-11-09 05:04:59,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_hid_open_mut [2024-11-09 05:04:59,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_hid_open_mut [2024-11-09 05:04:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-09 05:04:59,433 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-09 05:04:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_wait [2024-11-09 05:04:59,433 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_wait [2024-11-09 05:04:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_special_keys [2024-11-09 05:04:59,435 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_special_keys [2024-11-09 05:04:59,435 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-09 05:04:59,435 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-09 05:04:59,435 INFO L130 BoogieDeclarations]: Found specification of procedure hid_start_in [2024-11-09 05:04:59,435 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_start_in [2024-11-09 05:04:59,435 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2024-11-09 05:04:59,436 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2024-11-09 05:04:59,436 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2024-11-09 05:04:59,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2024-11-09 05:04:59,436 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-09 05:04:59,436 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-09 05:04:59,436 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-09 05:04:59,437 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-09 05:04:59,437 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_fasync [2024-11-09 05:04:59,437 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_fasync [2024-11-09 05:04:59,437 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2024-11-09 05:04:59,437 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2024-11-09 05:04:59,437 INFO L130 BoogieDeclarations]: Found specification of procedure hid_io_error [2024-11-09 05:04:59,437 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_io_error [2024-11-09 05:04:59,438 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2024-11-09 05:04:59,438 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2024-11-09 05:04:59,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:04:59,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:04:59,438 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-09 05:04:59,438 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-09 05:04:59,438 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_request [2024-11-09 05:04:59,439 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_request [2024-11-09 05:04:59,439 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2024-11-09 05:04:59,439 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2024-11-09 05:04:59,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-09 05:04:59,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 05:04:59,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-09 05:04:59,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-09 05:04:59,440 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-09 05:04:59,440 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-09 05:04:59,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2024-11-09 05:04:59,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2024-11-09 05:04:59,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_existancelock_of_hiddev [2024-11-09 05:04:59,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_existancelock_of_hiddev [2024-11-09 05:04:59,441 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2024-11-09 05:04:59,441 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2024-11-09 05:04:59,441 INFO L130 BoogieDeclarations]: Found specification of procedure hid_cancel_delayed_stuff [2024-11-09 05:04:59,441 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_cancel_delayed_stuff [2024-11-09 05:04:59,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_hid_open_mut [2024-11-09 05:04:59,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_hid_open_mut [2024-11-09 05:04:59,441 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-09 05:04:59,441 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-09 05:04:59,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-09 05:04:59,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-09 05:04:59,442 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_no_suspend [2024-11-09 05:04:59,442 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_no_suspend [2024-11-09 05:04:59,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 05:04:59,442 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 05:04:59,443 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_lookup_report [2024-11-09 05:04:59,443 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_lookup_report [2024-11-09 05:04:59,443 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:04:59,443 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:04:59,443 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2024-11-09 05:04:59,443 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2024-11-09 05:04:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_output_report [2024-11-09 05:04:59,444 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_output_report [2024-11-09 05:04:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-09 05:04:59,444 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-09 05:04:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2024-11-09 05:04:59,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2024-11-09 05:04:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_disconnect [2024-11-09 05:04:59,445 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_disconnect [2024-11-09 05:04:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:04:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-09 05:04:59,445 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-09 05:04:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2024-11-09 05:04:59,446 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2024-11-09 05:04:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_submit_report [2024-11-09 05:04:59,446 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_submit_report [2024-11-09 05:04:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_mark_busy [2024-11-09 05:04:59,446 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_mark_busy [2024-11-09 05:04:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 05:04:59,447 INFO L130 BoogieDeclarations]: Found specification of procedure hid_set_idle [2024-11-09 05:04:59,447 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_set_idle [2024-11-09 05:04:59,447 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2024-11-09 05:04:59,447 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2024-11-09 05:04:59,447 INFO L130 BoogieDeclarations]: Found specification of procedure hid_destroy_device [2024-11-09 05:04:59,447 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_destroy_device [2024-11-09 05:04:59,448 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-11-09 05:04:59,448 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-11-09 05:04:59,448 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_open [2024-11-09 05:04:59,448 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_open [2024-11-09 05:04:59,448 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2024-11-09 05:04:59,448 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2024-11-09 05:04:59,448 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_rescale [2024-11-09 05:04:59,449 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_rescale [2024-11-09 05:04:59,449 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_set [2024-11-09 05:04:59,449 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_set [2024-11-09 05:04:59,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 05:04:59,449 INFO L130 BoogieDeclarations]: Found specification of procedure hid_reset_resume [2024-11-09 05:04:59,449 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_reset_resume [2024-11-09 05:04:59,449 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 05:04:59,449 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 05:04:59,450 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-09 05:04:59,450 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-09 05:04:59,450 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-09 05:04:59,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-09 05:04:59,450 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-09 05:04:59,450 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-09 05:04:59,450 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-11-09 05:04:59,450 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-11-09 05:04:59,450 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-09 05:04:59,451 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-09 05:04:59,451 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_close [2024-11-09 05:04:59,451 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_close [2024-11-09 05:04:59,451 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-11-09 05:04:59,451 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-11-09 05:04:59,452 INFO L130 BoogieDeclarations]: Found specification of procedure hid_alloc_report_buf [2024-11-09 05:04:59,452 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_alloc_report_buf [2024-11-09 05:04:59,452 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_reports [2024-11-09 05:04:59,452 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_reports [2024-11-09 05:04:59,452 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-09 05:04:59,452 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-09 05:04:59,453 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_async [2024-11-09 05:04:59,453 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_async [2024-11-09 05:04:59,453 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_fields [2024-11-09 05:04:59,453 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_fields [2024-11-09 05:04:59,453 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-09 05:04:59,454 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-09 05:04:59,454 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_write [2024-11-09 05:04:59,454 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_write [2024-11-09 05:04:59,454 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_quirks_exit [2024-11-09 05:04:59,454 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_quirks_exit [2024-11-09 05:04:59,454 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-09 05:04:59,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-09 05:04:59,455 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-09 05:04:59,455 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-09 05:04:59,455 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2024-11-09 05:04:59,455 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2024-11-09 05:04:59,455 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_queues [2024-11-09 05:04:59,456 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_queues [2024-11-09 05:04:59,456 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2024-11-09 05:04:59,456 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2024-11-09 05:04:59,456 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-09 05:04:59,456 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-09 05:04:59,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:04:59,457 INFO L130 BoogieDeclarations]: Found specification of procedure hid_device_io_stop [2024-11-09 05:04:59,457 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_device_io_stop [2024-11-09 05:04:59,457 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-09 05:04:59,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-09 05:04:59,457 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-09 05:04:59,457 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-09 05:04:59,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-09 05:04:59,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-09 05:04:59,458 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_ctrl_queue [2024-11-09 05:04:59,458 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_ctrl_queue [2024-11-09 05:04:59,458 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_start [2024-11-09 05:04:59,458 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_start [2024-11-09 05:04:59,458 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_reset [2024-11-09 05:04:59,458 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_reset [2024-11-09 05:04:59,459 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-09 05:04:59,459 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-09 05:04:59,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-09 05:04:59,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-09 05:04:59,459 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-09 05:04:59,459 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-09 05:04:59,459 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2024-11-09 05:04:59,459 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2024-11-09 05:04:59,459 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-09 05:04:59,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-09 05:04:59,460 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-11-09 05:04:59,460 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-11-09 05:04:59,460 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-11-09 05:04:59,460 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-11-09 05:04:59,460 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_lookup_quirk [2024-11-09 05:04:59,460 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_lookup_quirk [2024-11-09 05:04:59,460 INFO L130 BoogieDeclarations]: Found specification of procedure hid_post_reset [2024-11-09 05:04:59,460 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_post_reset [2024-11-09 05:04:59,460 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_raw_request [2024-11-09 05:04:59,461 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_raw_request [2024-11-09 05:04:59,461 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-09 05:04:59,461 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-09 05:04:59,461 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_get_power [2024-11-09 05:04:59,461 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_get_power [2024-11-09 05:04:59,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:04:59,462 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2024-11-09 05:04:59,462 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2024-11-09 05:04:59,462 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-11-09 05:04:59,462 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-11-09 05:04:59,463 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume [2024-11-09 05:04:59,463 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume [2024-11-09 05:04:59,463 INFO L130 BoogieDeclarations]: Found specification of procedure hid_get_class_descriptor [2024-11-09 05:04:59,463 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_get_class_descriptor [2024-11-09 05:05:01,248 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:05:01,253 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:05:02,025 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-09 05:05:27,682 INFO L? ?]: Removed 3141 outVars from TransFormulas that were not future-live. [2024-11-09 05:05:27,683 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:05:32,181 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:05:32,181 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-09 05:05:32,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:05:32 BoogieIcfgContainer [2024-11-09 05:05:32,182 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:05:32,188 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:05:32,188 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:05:32,193 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:05:32,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:04:51" (1/3) ... [2024-11-09 05:05:32,195 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32abaa20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:05:32, skipping insertion in model container [2024-11-09 05:05:32,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:58" (2/3) ... [2024-11-09 05:05:32,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32abaa20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:05:32, skipping insertion in model container [2024-11-09 05:05:32,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:05:32" (3/3) ... [2024-11-09 05:05:32,198 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2024-11-09 05:05:32,222 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:05:32,222 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:05:32,398 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:05:32,409 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@b3828d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:05:32,409 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:05:32,428 INFO L276 IsEmpty]: Start isEmpty. Operand has 2536 states, 1587 states have (on average 1.3642091997479522) internal successors, (2165), 1654 states have internal predecessors, (2165), 789 states have call successors, (789), 159 states have call predecessors, (789), 158 states have return successors, (780), 775 states have call predecessors, (780), 780 states have call successors, (780) [2024-11-09 05:05:32,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-09 05:05:32,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:05:32,469 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:05:32,470 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:05:32,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:05:32,478 INFO L85 PathProgramCache]: Analyzing trace with hash 364680248, now seen corresponding path program 1 times [2024-11-09 05:05:32,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:05:32,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790117488] [2024-11-09 05:05:32,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:32,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:09:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:09:18,546 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2024-11-09 05:09:18,547 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:09:18,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790117488] [2024-11-09 05:09:18,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790117488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:09:18,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:09:18,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:09:18,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774981741] [2024-11-09 05:09:18,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:09:18,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:09:18,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:09:18,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:09:18,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:09:18,613 INFO L87 Difference]: Start difference. First operand has 2536 states, 1587 states have (on average 1.3642091997479522) internal successors, (2165), 1654 states have internal predecessors, (2165), 789 states have call successors, (789), 159 states have call predecessors, (789), 158 states have return successors, (780), 775 states have call predecessors, (780), 780 states have call successors, (780) Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-09 05:09:20,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:09:28,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:09:29,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:09:32,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:09:32,842 INFO L93 Difference]: Finished difference Result 7334 states and 10878 transitions. [2024-11-09 05:09:32,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:09:32,850 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 167 [2024-11-09 05:09:32,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:09:32,945 INFO L225 Difference]: With dead ends: 7334 [2024-11-09 05:09:32,948 INFO L226 Difference]: Without dead ends: 4806 [2024-11-09 05:09:32,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:09:32,985 INFO L432 NwaCegarLoop]: 3675 mSDtfsCounter, 3377 mSDsluCounter, 3240 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3377 SdHoareTripleChecker+Valid, 6915 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2024-11-09 05:09:32,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3377 Valid, 6915 Invalid, 774 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 771 Invalid, 1 Unknown, 0 Unchecked, 13.7s Time] [2024-11-09 05:09:33,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4806 states. [2024-11-09 05:09:33,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4806 to 4783. [2024-11-09 05:09:33,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4783 states, 3007 states have (on average 1.3535084802128368) internal successors, (4070), 3106 states have internal predecessors, (4070), 1467 states have call successors, (1467), 309 states have call predecessors, (1467), 308 states have return successors, (1455), 1444 states have call predecessors, (1455), 1455 states have call successors, (1455) [2024-11-09 05:09:33,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4783 states to 4783 states and 6992 transitions. [2024-11-09 05:09:33,489 INFO L78 Accepts]: Start accepts. Automaton has 4783 states and 6992 transitions. Word has length 167 [2024-11-09 05:09:33,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:09:33,492 INFO L471 AbstractCegarLoop]: Abstraction has 4783 states and 6992 transitions. [2024-11-09 05:09:33,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-09 05:09:33,493 INFO L276 IsEmpty]: Start isEmpty. Operand 4783 states and 6992 transitions. [2024-11-09 05:09:33,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-09 05:09:33,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:09:33,509 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:09:33,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:09:33,509 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:09:33,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:09:33,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1320000200, now seen corresponding path program 1 times [2024-11-09 05:09:33,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:09:33,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367205623] [2024-11-09 05:09:33,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:09:33,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:12:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:12:56,186 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2024-11-09 05:12:56,187 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:12:56,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367205623] [2024-11-09 05:12:56,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367205623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:12:56,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:12:56,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:12:56,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143968548] [2024-11-09 05:12:56,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:12:56,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:12:56,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:12:56,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:12:56,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:12:56,194 INFO L87 Difference]: Start difference. First operand 4783 states and 6992 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-09 05:12:58,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:13:00,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:13:08,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:08,776 INFO L93 Difference]: Finished difference Result 9535 states and 13938 transitions. [2024-11-09 05:13:08,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:13:08,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 171 [2024-11-09 05:13:08,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:08,821 INFO L225 Difference]: With dead ends: 9535 [2024-11-09 05:13:08,822 INFO L226 Difference]: Without dead ends: 4783 [2024-11-09 05:13:08,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:13:08,846 INFO L432 NwaCegarLoop]: 3389 mSDtfsCounter, 0 mSDsluCounter, 3385 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6774 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:13:08,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6774 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 621 Invalid, 2 Unknown, 0 Unchecked, 12.3s Time] [2024-11-09 05:13:08,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4783 states. [2024-11-09 05:13:09,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4783 to 4783. [2024-11-09 05:13:09,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4783 states, 3007 states have (on average 1.3528433654805454) internal successors, (4068), 3104 states have internal predecessors, (4068), 1467 states have call successors, (1467), 309 states have call predecessors, (1467), 308 states have return successors, (1455), 1444 states have call predecessors, (1455), 1455 states have call successors, (1455) [2024-11-09 05:13:09,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4783 states to 4783 states and 6990 transitions. [2024-11-09 05:13:09,092 INFO L78 Accepts]: Start accepts. Automaton has 4783 states and 6990 transitions. Word has length 171 [2024-11-09 05:13:09,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:09,093 INFO L471 AbstractCegarLoop]: Abstraction has 4783 states and 6990 transitions. [2024-11-09 05:13:09,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-09 05:13:09,094 INFO L276 IsEmpty]: Start isEmpty. Operand 4783 states and 6990 transitions. [2024-11-09 05:13:09,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-09 05:13:09,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:09,098 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:13:09,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:13:09,098 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:13:09,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:09,099 INFO L85 PathProgramCache]: Analyzing trace with hash 332944195, now seen corresponding path program 1 times [2024-11-09 05:13:09,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:09,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68435837] [2024-11-09 05:13:09,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:09,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:16:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:16:12,231 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2024-11-09 05:16:12,232 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:16:12,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68435837] [2024-11-09 05:16:12,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68435837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:16:12,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:16:12,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:16:12,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535869498] [2024-11-09 05:16:12,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:16:12,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:16:12,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:16:12,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:16:12,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:16:12,237 INFO L87 Difference]: Start difference. First operand 4783 states and 6990 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 05:16:14,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:16:16,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:16:24,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:16:25,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:16:25,919 INFO L93 Difference]: Finished difference Result 14177 states and 20707 transitions. [2024-11-09 05:16:25,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:16:25,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 176 [2024-11-09 05:16:25,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:16:26,005 INFO L225 Difference]: With dead ends: 14177 [2024-11-09 05:16:26,005 INFO L226 Difference]: Without dead ends: 9425 [2024-11-09 05:16:26,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:16:26,038 INFO L432 NwaCegarLoop]: 3873 mSDtfsCounter, 3608 mSDsluCounter, 3323 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3608 SdHoareTripleChecker+Valid, 7196 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:16:26,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3608 Valid, 7196 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 656 Invalid, 2 Unknown, 0 Unchecked, 13.3s Time] [2024-11-09 05:16:26,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9425 states. [2024-11-09 05:16:26,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9425 to 9417. [2024-11-09 05:16:26,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9417 states, 5924 states have (on average 1.3521269412559083) internal successors, (8010), 6103 states have internal predecessors, (8010), 2876 states have call successors, (2876), 617 states have call predecessors, (2876), 616 states have return successors, (2864), 2844 states have call predecessors, (2864), 2864 states have call successors, (2864) [2024-11-09 05:16:26,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9417 states to 9417 states and 13750 transitions. [2024-11-09 05:16:26,614 INFO L78 Accepts]: Start accepts. Automaton has 9417 states and 13750 transitions. Word has length 176 [2024-11-09 05:16:26,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:16:26,615 INFO L471 AbstractCegarLoop]: Abstraction has 9417 states and 13750 transitions. [2024-11-09 05:16:26,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-09 05:16:26,616 INFO L276 IsEmpty]: Start isEmpty. Operand 9417 states and 13750 transitions. [2024-11-09 05:16:26,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-09 05:16:26,623 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:16:26,623 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:16:26,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:16:26,623 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:16:26,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:16:26,625 INFO L85 PathProgramCache]: Analyzing trace with hash 337529823, now seen corresponding path program 1 times [2024-11-09 05:16:26,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:16:26,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226107470] [2024-11-09 05:16:26,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:16:26,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms