./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5c373a-155c-4e0b-a8d3-ccd0dd91069c/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5c373a-155c-4e0b-a8d3-ccd0dd91069c/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5c373a-155c-4e0b-a8d3-ccd0dd91069c/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5c373a-155c-4e0b-a8d3-ccd0dd91069c/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.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_3b5c373a-155c-4e0b-a8d3-ccd0dd91069c/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5c373a-155c-4e0b-a8d3-ccd0dd91069c/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 736eaba23c3fcb2b5a61b7fe9adbcb1ebd28d5faf5e1ded37bccbc064c3bb981 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:50:04,478 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:50:04,579 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5c373a-155c-4e0b-a8d3-ccd0dd91069c/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 01:50:04,586 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:50:04,587 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:50:04,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:50:04,618 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:50:04,618 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:50:04,618 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:50:04,619 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:50:04,619 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:50:04,619 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:50:04,620 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:50:04,620 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:50:04,620 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:50:04,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:50:04,621 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:50:04,621 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:50:04,621 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:50:04,621 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:50:04,621 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:50:04,622 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:50:04,622 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:50:04,622 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:50:04,622 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:50:04,622 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:50:04,623 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:50:04,623 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:50:04,623 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:50:04,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:50:04,623 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:50:04,623 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:50:04,624 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:50:04,624 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:50:04,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:50:04,624 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:50:04,624 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:50:04,624 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:50:04,625 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:50:04,625 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:50:04,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:50:04,625 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:50:04,625 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:50:04,625 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:50:04,625 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:50:04,626 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_3b5c373a-155c-4e0b-a8d3-ccd0dd91069c/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 736eaba23c3fcb2b5a61b7fe9adbcb1ebd28d5faf5e1ded37bccbc064c3bb981 [2024-11-24 01:50:04,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:50:04,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:50:04,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:50:04,988 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:50:04,988 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:50:04,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5c373a-155c-4e0b-a8d3-ccd0dd91069c/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i [2024-11-24 01:50:08,200 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5c373a-155c-4e0b-a8d3-ccd0dd91069c/bin/uautomizer-verify-LYvppIcaGC/data/f73b37fea/2d779632da6a4abfa802afe0263bd70d/FLAG3599f4206 [2024-11-24 01:50:08,845 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:50:08,848 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5c373a-155c-4e0b-a8d3-ccd0dd91069c/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i [2024-11-24 01:50:08,901 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5c373a-155c-4e0b-a8d3-ccd0dd91069c/bin/uautomizer-verify-LYvppIcaGC/data/f73b37fea/2d779632da6a4abfa802afe0263bd70d/FLAG3599f4206 [2024-11-24 01:50:09,275 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5c373a-155c-4e0b-a8d3-ccd0dd91069c/bin/uautomizer-verify-LYvppIcaGC/data/f73b37fea/2d779632da6a4abfa802afe0263bd70d [2024-11-24 01:50:09,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:50:09,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:50:09,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:50:09,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:50:09,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:50:09,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:50:09" (1/1) ... [2024-11-24 01:50:09,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5221e2f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:09, skipping insertion in model container [2024-11-24 01:50:09,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:50:09" (1/1) ... [2024-11-24 01:50:09,393 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:50:11,156 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_3b5c373a-155c-4e0b-a8d3-ccd0dd91069c/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i[220631,220644] [2024-11-24 01:50:11,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:50:11,317 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:50:11,502 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] [2024-11-24 01:50:11,505 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] [2024-11-24 01:50:11,509 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] [2024-11-24 01:50:11,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5298] [2024-11-24 01:50:11,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5348] [2024-11-24 01:50:11,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5351] [2024-11-24 01:50:11,516 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5354] [2024-11-24 01:50:11,516 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5357] [2024-11-24 01:50:11,827 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_3b5c373a-155c-4e0b-a8d3-ccd0dd91069c/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i[220631,220644] [2024-11-24 01:50:11,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:50:12,014 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:50:12,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:12 WrapperNode [2024-11-24 01:50:12,016 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:50:12,018 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:50:12,019 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:50:12,019 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:50:12,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:12" (1/1) ... [2024-11-24 01:50:12,155 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:12" (1/1) ... [2024-11-24 01:50:12,356 INFO L138 Inliner]: procedures = 181, calls = 2379, calls flagged for inlining = 63, calls inlined = 41, statements flattened = 3596 [2024-11-24 01:50:12,356 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:50:12,357 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:50:12,357 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:50:12,357 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:50:12,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:12" (1/1) ... [2024-11-24 01:50:12,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:12" (1/1) ... [2024-11-24 01:50:12,391 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:12" (1/1) ... [2024-11-24 01:50:12,696 INFO L175 MemorySlicer]: Split 1523 memory accesses to 19 slices as follows [2, 5, 8, 19, 243, 2, 19, 68, 18, 18, 17, 18, 18, 258, 258, 258, 18, 258, 18]. 17 percent of accesses are in the largest equivalence class. The 203 initializations are split as follows [2, 5, 8, 16, 12, 0, 16, 64, 16, 16, 16, 16, 16, 0, 0, 0, 0, 0, 0]. The 1154 writes are split as follows [0, 0, 0, 0, 91, 1, 0, 0, 0, 0, 0, 0, 0, 257, 257, 257, 17, 257, 17]. [2024-11-24 01:50:12,696 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:12" (1/1) ... [2024-11-24 01:50:12,696 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:12" (1/1) ... [2024-11-24 01:50:12,831 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:12" (1/1) ... [2024-11-24 01:50:12,841 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:12" (1/1) ... [2024-11-24 01:50:12,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:12" (1/1) ... [2024-11-24 01:50:12,905 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:12" (1/1) ... [2024-11-24 01:50:12,925 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:12" (1/1) ... [2024-11-24 01:50:12,956 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:50:12,957 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:50:12,957 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:50:12,957 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:50:12,958 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:12" (1/1) ... [2024-11-24 01:50:12,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:50:12,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5c373a-155c-4e0b-a8d3-ccd0dd91069c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:50:12,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5c373a-155c-4e0b-a8d3-ccd0dd91069c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:50:13,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5c373a-155c-4e0b-a8d3-ccd0dd91069c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:50:13,034 INFO L130 BoogieDeclarations]: Found specification of procedure sock_release [2024-11-24 01:50:13,035 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_release [2024-11-24 01:50:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-24 01:50:13,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-24 01:50:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 01:50:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 01:50:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 01:50:13,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 01:50:13,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 01:50:13,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 01:50:13,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 01:50:13,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 01:50:13,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 01:50:13,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 01:50:13,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 01:50:13,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 01:50:13,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 01:50:13,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-24 01:50:13,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-24 01:50:13,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-24 01:50:13,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-24 01:50:13,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-24 01:50:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-24 01:50:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-24 01:50:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-24 01:50:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-24 01:50:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-24 01:50:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-24 01:50:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-24 01:50:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-24 01:50:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-24 01:50:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-24 01:50:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-24 01:50:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-24 01:50:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-24 01:50:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-24 01:50:13,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-24 01:50:13,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-24 01:50:13,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-24 01:50:13,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-24 01:50:13,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-24 01:50:13,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-24 01:50:13,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 01:50:13,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 01:50:13,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 01:50:13,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 01:50:13,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 01:50:13,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 01:50:13,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 01:50:13,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 01:50:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 01:50:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 01:50:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 01:50:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 01:50:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 01:50:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-24 01:50:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-24 01:50:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-24 01:50:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-24 01:50:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-24 01:50:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-24 01:50:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:50:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:50:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 01:50:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 01:50:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 01:50:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 01:50:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 01:50:13,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 01:50:13,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 01:50:13,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 01:50:13,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 01:50:13,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 01:50:13,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 01:50:13,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 01:50:13,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-24 01:50:13,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-24 01:50:13,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-24 01:50:13,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-24 01:50:13,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-24 01:50:13,048 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2024-11-24 01:50:13,048 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2024-11-24 01:50:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-24 01:50:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-24 01:50:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-24 01:50:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-24 01:50:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-24 01:50:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-24 01:50:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-24 01:50:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-24 01:50:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-24 01:50:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-24 01:50:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-24 01:50:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-24 01:50:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-24 01:50:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-24 01:50:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-24 01:50:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-24 01:50:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-24 01:50:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-24 01:50:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-24 01:50:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-24 01:50:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-24 01:50:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-24 01:50:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-24 01:50:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-24 01:50:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-24 01:50:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-24 01:50:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-24 01:50:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-24 01:50:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-24 01:50:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-24 01:50:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-24 01:50:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-24 01:50:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-24 01:50:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-24 01:50:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-24 01:50:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-24 01:50:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-24 01:50:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-24 01:50:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 01:50:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 01:50:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-24 01:50:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-24 01:50:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-11-24 01:50:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-11-24 01:50:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_ulaw_to_alaw [2024-11-24 01:50:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_ulaw_to_alaw [2024-11-24 01:50:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-24 01:50:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-24 01:50:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2024-11-24 01:50:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2024-11-24 01:50:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-11-24 01:50:13,057 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-11-24 01:50:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 01:50:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 01:50:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 01:50:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 01:50:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 01:50:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 01:50:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 01:50:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 01:50:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 01:50:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 01:50:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 01:50:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 01:50:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 01:50:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 01:50:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-24 01:50:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-24 01:50:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-24 01:50:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-24 01:50:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-24 01:50:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-24 01:50:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-24 01:50:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_send [2024-11-24 01:50:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_send [2024-11-24 01:50:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-24 01:50:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-24 01:50:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-24 01:50:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-24 01:50:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2024-11-24 01:50:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2024-11-24 01:50:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 01:50:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-24 01:50:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-24 01:50:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-24 01:50:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-24 01:50:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-24 01:50:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-24 01:50:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:50:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_open [2024-11-24 01:50:13,061 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_open [2024-11-24 01:50:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-24 01:50:13,061 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-24 01:50:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 01:50:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 01:50:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 01:50:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 01:50:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 01:50:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 01:50:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 01:50:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 01:50:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 01:50:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 01:50:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 01:50:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 01:50:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 01:50:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 01:50:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-24 01:50:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-24 01:50:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-24 01:50:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-24 01:50:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-24 01:50:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-24 01:50:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-24 01:50:13,066 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-24 01:50:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 01:50:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 01:50:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 01:50:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 01:50:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 01:50:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 01:50:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 01:50:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 01:50:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 01:50:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 01:50:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 01:50:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 01:50:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 01:50:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-24 01:50:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-24 01:50:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-24 01:50:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-24 01:50:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-24 01:50:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-24 01:50:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_4bit_free [2024-11-24 01:50:13,067 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_4bit_free [2024-11-24 01:50:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-24 01:50:13,067 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-24 01:50:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 01:50:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-24 01:50:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-24 01:50:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-24 01:50:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-24 01:50:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-24 01:50:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-24 01:50:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-24 01:50:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-24 01:50:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-24 01:50:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-24 01:50:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-24 01:50:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-24 01:50:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-24 01:50:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-24 01:50:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-24 01:50:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-24 01:50:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-24 01:50:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-24 01:50:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-24 01:50:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-11-24 01:50:13,070 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-11-24 01:50:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-24 01:50:13,070 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-24 01:50:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure mI_alloc_skb [2024-11-24 01:50:13,070 INFO L138 BoogieDeclarations]: Found implementation of procedure mI_alloc_skb [2024-11-24 01:50:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure queue_ch_frame [2024-11-24 01:50:13,070 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_ch_frame [2024-11-24 01:50:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-24 01:50:13,071 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-24 01:50:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure _queue_data [2024-11-24 01:50:13,071 INFO L138 BoogieDeclarations]: Found implementation of procedure _queue_data [2024-11-24 01:50:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-24 01:50:13,071 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-24 01:50:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-24 01:50:13,072 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-24 01:50:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-24 01:50:13,072 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-24 01:50:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_alaw_to_ulaw [2024-11-24 01:50:13,072 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_alaw_to_ulaw [2024-11-24 01:50:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_close [2024-11-24 01:50:13,072 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_close [2024-11-24 01:50:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-24 01:50:13,072 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-24 01:50:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:50:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:50:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:50:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:50:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 01:50:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 01:50:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 01:50:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 01:50:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 01:50:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 01:50:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 01:50:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 01:50:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 01:50:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 01:50:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-24 01:50:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-24 01:50:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-24 01:50:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-24 01:50:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-24 01:50:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure memchr_inv [2024-11-24 01:50:13,075 INFO L138 BoogieDeclarations]: Found implementation of procedure memchr_inv [2024-11-24 01:50:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-11-24 01:50:13,076 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-11-24 01:50:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-24 01:50:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-24 01:50:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-24 01:50:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-24 01:50:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-24 01:50:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-24 01:50:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-24 01:50:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-24 01:50:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-24 01:50:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-24 01:50:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-24 01:50:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-24 01:50:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-24 01:50:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-24 01:50:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-24 01:50:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-24 01:50:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-24 01:50:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-24 01:50:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-24 01:50:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_cleanup [2024-11-24 01:50:13,081 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_cleanup [2024-11-24 01:50:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:50:13,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:50:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-24 01:50:13,081 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-24 01:50:13,934 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:50:13,938 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:50:37,460 INFO L? ?]: Removed 1037 outVars from TransFormulas that were not future-live. [2024-11-24 01:50:37,461 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:50:37,512 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:50:37,512 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:50:37,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:50:37 BoogieIcfgContainer [2024-11-24 01:50:37,513 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:50:37,520 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:50:37,521 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:50:37,529 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:50:37,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:50:09" (1/3) ... [2024-11-24 01:50:37,530 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11076a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:50:37, skipping insertion in model container [2024-11-24 01:50:37,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:12" (2/3) ... [2024-11-24 01:50:37,531 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11076a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:50:37, skipping insertion in model container [2024-11-24 01:50:37,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:50:37" (3/3) ... [2024-11-24 01:50:37,535 INFO L128 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i [2024-11-24 01:50:37,562 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:50:37,567 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i that has 59 procedures, 851 locations, 1 initial locations, 40 loop locations, and 1 error locations. [2024-11-24 01:50:37,675 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:50:37,695 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@9e43fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:50:37,696 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:50:37,707 INFO L276 IsEmpty]: Start isEmpty. Operand has 761 states, 587 states have (on average 1.3867120954003407) internal successors, (814), 599 states have internal predecessors, (814), 132 states have call successors, (132), 40 states have call predecessors, (132), 40 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-24 01:50:37,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-24 01:50:37,719 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:50:37,720 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:50:37,720 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:50:37,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:50:37,726 INFO L85 PathProgramCache]: Analyzing trace with hash 2077076030, now seen corresponding path program 1 times [2024-11-24 01:50:37,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:50:37,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415559202] [2024-11-24 01:50:37,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:50:37,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:57:47,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:57:47,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:57:47,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415559202] [2024-11-24 01:57:47,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415559202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:57:47,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:57:47,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:57:47,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107991491] [2024-11-24 01:57:47,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:57:47,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:57:47,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:57:48,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:57:48,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:57:48,008 INFO L87 Difference]: Start difference. First operand has 761 states, 587 states have (on average 1.3867120954003407) internal successors, (814), 599 states have internal predecessors, (814), 132 states have call successors, (132), 40 states have call predecessors, (132), 40 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-24 01:57:52,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:57:53,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:57:53,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:57:53,670 INFO L93 Difference]: Finished difference Result 1936 states and 2769 transitions. [2024-11-24 01:57:53,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:57:53,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2024-11-24 01:57:53,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:57:53,702 INFO L225 Difference]: With dead ends: 1936 [2024-11-24 01:57:53,703 INFO L226 Difference]: Without dead ends: 1174 [2024-11-24 01:57:53,715 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:57:53,719 INFO L435 NwaCegarLoop]: 1625 mSDtfsCounter, 1042 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1042 SdHoareTripleChecker+Valid, 2220 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:57:53,719 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1042 Valid, 2220 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-11-24 01:57:53,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2024-11-24 01:57:53,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 1174. [2024-11-24 01:57:53,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1174 states, 899 states have (on average 1.3748609566184649) internal successors, (1236), 917 states have internal predecessors, (1236), 208 states have call successors, (208), 67 states have call predecessors, (208), 66 states have return successors, (205), 205 states have call predecessors, (205), 205 states have call successors, (205) [2024-11-24 01:57:53,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1649 transitions. [2024-11-24 01:57:53,872 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1649 transitions. Word has length 24 [2024-11-24 01:57:53,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:57:53,874 INFO L471 AbstractCegarLoop]: Abstraction has 1174 states and 1649 transitions. [2024-11-24 01:57:53,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-24 01:57:53,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1649 transitions. [2024-11-24 01:57:53,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-24 01:57:53,876 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:57:53,877 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:53,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:57:53,877 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:57:53,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:53,878 INFO L85 PathProgramCache]: Analyzing trace with hash -674686131, now seen corresponding path program 1 times [2024-11-24 01:57:53,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:57:53,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567869458] [2024-11-24 01:57:53,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:53,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms