./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_29d037eb-ff10-48b8-b209-e4ce68e70e6b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d037eb-ff10-48b8-b209-e4ce68e70e6b/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d037eb-ff10-48b8-b209-e4ce68e70e6b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d037eb-ff10-48b8-b209-e4ce68e70e6b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d037eb-ff10-48b8-b209-e4ce68e70e6b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d037eb-ff10-48b8-b209-e4ce68e70e6b/bin/ukojak-verify-ImItNfHLgk --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 736eaba23c3fcb2b5a61b7fe9adbcb1ebd28d5faf5e1ded37bccbc064c3bb981 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:38:24,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:38:25,015 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d037eb-ff10-48b8-b209-e4ce68e70e6b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 23:38:25,022 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:38:25,022 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:38:25,055 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:38:25,058 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:38:25,058 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:38:25,059 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:38:25,065 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:38:25,066 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:38:25,066 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:38:25,067 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:38:25,067 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:38:25,067 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:38:25,068 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:38:25,068 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:38:25,068 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:38:25,069 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:38:25,069 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:38:25,069 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:38:25,073 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:38:25,073 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:38:25,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:38:25,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:38:25,074 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:38:25,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:38:25,074 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:38:25,074 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:38:25,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:38:25,075 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_29d037eb-ff10-48b8-b209-e4ce68e70e6b/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d037eb-ff10-48b8-b209-e4ce68e70e6b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 736eaba23c3fcb2b5a61b7fe9adbcb1ebd28d5faf5e1ded37bccbc064c3bb981 [2024-11-08 23:38:25,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:38:25,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:38:25,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:38:25,387 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:38:25,390 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:38:25,391 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d037eb-ff10-48b8-b209-e4ce68e70e6b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i Unable to find full path for "g++" [2024-11-08 23:38:27,545 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:38:28,155 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:38:28,157 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d037eb-ff10-48b8-b209-e4ce68e70e6b/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i [2024-11-08 23:38:28,210 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d037eb-ff10-48b8-b209-e4ce68e70e6b/bin/ukojak-verify-ImItNfHLgk/data/ee9d05f77/4518b3ca7aca4a8995a0117e58fc8b31/FLAGcd703b667 [2024-11-08 23:38:28,234 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d037eb-ff10-48b8-b209-e4ce68e70e6b/bin/ukojak-verify-ImItNfHLgk/data/ee9d05f77/4518b3ca7aca4a8995a0117e58fc8b31 [2024-11-08 23:38:28,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:38:28,239 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:38:28,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:38:28,244 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:38:28,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:38:28,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:38:28" (1/1) ... [2024-11-08 23:38:28,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67de9878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:28, skipping insertion in model container [2024-11-08 23:38:28,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:38:28" (1/1) ... [2024-11-08 23:38:28,410 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:38:30,130 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_29d037eb-ff10-48b8-b209-e4ce68e70e6b/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i[220631,220644] [2024-11-08 23:38:30,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:38:30,344 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:38:30,559 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"); [5268-5269] [2024-11-08 23:38:30,561 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,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5276-5277] [2024-11-08 23:38:30,562 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)); [5290-5291] [2024-11-08 23:38:30,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5298] [2024-11-08 23:38:30,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5348] [2024-11-08 23:38:30,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5351] [2024-11-08 23:38:30,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5354] [2024-11-08 23:38:30,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5357] [2024-11-08 23:38:30,780 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_29d037eb-ff10-48b8-b209-e4ce68e70e6b/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i[220631,220644] [2024-11-08 23:38:30,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:38:30,919 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:38:30,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:30 WrapperNode [2024-11-08 23:38:30,920 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:38:30,922 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:38:30,922 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:38:30,922 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:38:30,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:30" (1/1) ... [2024-11-08 23:38:31,003 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:30" (1/1) ... [2024-11-08 23:38:31,188 INFO L138 Inliner]: procedures = 181, calls = 2379, calls flagged for inlining = 63, calls inlined = 41, statements flattened = 3681 [2024-11-08 23:38:31,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:38:31,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:38:31,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:38:31,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:38:31,200 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:30" (1/1) ... [2024-11-08 23:38:31,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:30" (1/1) ... [2024-11-08 23:38:31,237 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:30" (1/1) ... [2024-11-08 23:38:31,239 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:30" (1/1) ... [2024-11-08 23:38:31,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:30" (1/1) ... [2024-11-08 23:38:31,342 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:30" (1/1) ... [2024-11-08 23:38:31,354 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:30" (1/1) ... [2024-11-08 23:38:31,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:30" (1/1) ... [2024-11-08 23:38:31,407 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:38:31,408 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:38:31,408 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:38:31,408 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:38:31,409 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:30" (1/1) ... [2024-11-08 23:38:31,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:38:31,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d037eb-ff10-48b8-b209-e4ce68e70e6b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:38:31,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d037eb-ff10-48b8-b209-e4ce68e70e6b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:38:31,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d037eb-ff10-48b8-b209-e4ce68e70e6b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:38:31,484 INFO L130 BoogieDeclarations]: Found specification of procedure sock_release [2024-11-08 23:38:31,484 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_release [2024-11-08 23:38:31,484 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-08 23:38:31,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-08 23:38:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-08 23:38:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-08 23:38:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-08 23:38:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:38:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2024-11-08 23:38:31,486 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2024-11-08 23:38:31,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-08 23:38:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-08 23:38:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-08 23:38:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-08 23:38:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-08 23:38:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-08 23:38:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-11-08 23:38:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-11-08 23:38:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_ulaw_to_alaw [2024-11-08 23:38:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_ulaw_to_alaw [2024-11-08 23:38:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-08 23:38:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-08 23:38:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2024-11-08 23:38:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2024-11-08 23:38:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-11-08 23:38:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-11-08 23:38:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:38:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-08 23:38:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-08 23:38:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_send [2024-11-08 23:38:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_send [2024-11-08 23:38:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-08 23:38:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-08 23:38:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-08 23:38:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-08 23:38:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2024-11-08 23:38:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2024-11-08 23:38:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:38:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-08 23:38:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-08 23:38:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-08 23:38:31,493 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-08 23:38:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-08 23:38:31,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-08 23:38:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:38:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_open [2024-11-08 23:38:31,493 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_open [2024-11-08 23:38:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-08 23:38:31,495 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-08 23:38:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:38:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 23:38:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-08 23:38:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-08 23:38:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 23:38:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_4bit_free [2024-11-08 23:38:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_4bit_free [2024-11-08 23:38:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-08 23:38:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-08 23:38:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:38:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 23:38:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-11-08 23:38:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-11-08 23:38:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-08 23:38:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-08 23:38:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure mI_alloc_skb [2024-11-08 23:38:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure mI_alloc_skb [2024-11-08 23:38:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure queue_ch_frame [2024-11-08 23:38:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_ch_frame [2024-11-08 23:38:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-08 23:38:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-08 23:38:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure _queue_data [2024-11-08 23:38:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure _queue_data [2024-11-08 23:38:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-08 23:38:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-08 23:38:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-08 23:38:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-08 23:38:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-08 23:38:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-08 23:38:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_alaw_to_ulaw [2024-11-08 23:38:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_alaw_to_ulaw [2024-11-08 23:38:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_close [2024-11-08 23:38:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_close [2024-11-08 23:38:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-08 23:38:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-08 23:38:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:38:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure memchr_inv [2024-11-08 23:38:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure memchr_inv [2024-11-08 23:38:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-11-08 23:38:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-11-08 23:38:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-08 23:38:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_cleanup [2024-11-08 23:38:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_cleanup [2024-11-08 23:38:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:38:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:38:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-08 23:38:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-08 23:38:32,054 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:38:32,059 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:39:11,893 INFO L? ?]: Removed 809 outVars from TransFormulas that were not future-live. [2024-11-08 23:39:11,893 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:39:15,048 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:39:15,048 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 23:39:15,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:39:15 BoogieIcfgContainer [2024-11-08 23:39:15,053 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:39:15,054 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:39:15,054 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:39:15,068 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:39:15,068 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:39:15" (1/1) ... [2024-11-08 23:39:15,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:39:15,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:15,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 484 states and 683 transitions. [2024-11-08 23:39:15,175 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 683 transitions. [2024-11-08 23:39:15,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:39:15,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:15,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:47:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:41,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:47:52,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.63s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:47:54,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:47:54,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:54,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 488 states and 688 transitions. [2024-11-08 23:47:54,547 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 688 transitions. [2024-11-08 23:47:54,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 23:47:54,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:54,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms