./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_fcf1e67d-01ed-4e32-8695-967cf93cebab/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf1e67d-01ed-4e32-8695-967cf93cebab/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf1e67d-01ed-4e32-8695-967cf93cebab/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf1e67d-01ed-4e32-8695-967cf93cebab/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf1e67d-01ed-4e32-8695-967cf93cebab/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf1e67d-01ed-4e32-8695-967cf93cebab/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5df375afe9fb68708289d9f3c6788a2547ede1538b0aa584ee561e48e9fb4c63 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:52:19,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:52:19,876 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf1e67d-01ed-4e32-8695-967cf93cebab/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:52:19,882 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:52:19,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:52:19,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:52:19,909 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:52:19,910 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:52:19,910 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:52:19,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:52:19,912 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:52:19,912 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:52:19,913 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:52:19,913 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:52:19,914 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:52:19,915 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:52:19,915 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:52:19,916 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:52:19,916 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:52:19,917 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:52:19,918 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:52:19,918 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:52:19,919 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:52:19,920 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:52:19,921 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:52:19,921 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:52:19,922 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:52:19,922 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:52:19,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:52:19,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:52:19,924 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:52:19,925 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:52:19,925 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:52:19,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:52:19,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:52:19,927 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:52:19,928 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:52:19,928 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:52:19,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:52:19,929 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:52:19,930 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:52:19,931 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:52:19,931 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf1e67d-01ed-4e32-8695-967cf93cebab/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf1e67d-01ed-4e32-8695-967cf93cebab/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5df375afe9fb68708289d9f3c6788a2547ede1538b0aa584ee561e48e9fb4c63 [2023-11-19 04:52:20,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:52:20,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:52:20,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:52:20,246 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:52:20,247 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:52:20,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf1e67d-01ed-4e32-8695-967cf93cebab/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2023-11-19 04:52:23,398 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:52:24,219 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:52:24,220 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf1e67d-01ed-4e32-8695-967cf93cebab/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2023-11-19 04:52:24,284 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf1e67d-01ed-4e32-8695-967cf93cebab/bin/utaipan-verify-t7M7D8N6sZ/data/a37812d79/011e52c9d9484cd5a259d0a7e5e0ee63/FLAG19a511dd3 [2023-11-19 04:52:24,300 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf1e67d-01ed-4e32-8695-967cf93cebab/bin/utaipan-verify-t7M7D8N6sZ/data/a37812d79/011e52c9d9484cd5a259d0a7e5e0ee63 [2023-11-19 04:52:24,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:52:24,304 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:52:24,306 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:52:24,306 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:52:24,313 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:52:24,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:52:24" (1/1) ... [2023-11-19 04:52:24,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33097e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:24, skipping insertion in model container [2023-11-19 04:52:24,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:52:24" (1/1) ... [2023-11-19 04:52:24,490 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:52:26,072 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf1e67d-01ed-4e32-8695-967cf93cebab/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[209494,209507] [2023-11-19 04:52:27,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:52:28,051 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:52:28,244 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsfl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [6687] [2023-11-19 04:52:28,247 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [6695] [2023-11-19 04:52:28,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6730-6731] [2023-11-19 04:52:28,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6736-6738] [2023-11-19 04:52:28,261 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [6926-6927] [2023-11-19 04:52:28,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6955-6956] [2023-11-19 04:52:28,278 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf1e67d-01ed-4e32-8695-967cf93cebab/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[209494,209507] [2023-11-19 04:52:28,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8245] [2023-11-19 04:52:28,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8247] [2023-11-19 04:52:28,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:52:28,780 WARN L675 CHandler]: The function __VERIFIER_nondet_u16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:28,780 WARN L675 CHandler]: The function __VERIFIER_nondet_u8 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:28,781 WARN L675 CHandler]: The function __VERIFIER_nondet_u32 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:28,788 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:52:28,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:28 WrapperNode [2023-11-19 04:52:28,788 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:52:28,789 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:52:28,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:52:28,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:52:28,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:28" (1/1) ... [2023-11-19 04:52:28,929 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:28" (1/1) ... [2023-11-19 04:52:29,330 INFO L138 Inliner]: procedures = 382, calls = 4363, calls flagged for inlining = 180, calls inlined = 177, statements flattened = 9020 [2023-11-19 04:52:29,331 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:52:29,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:52:29,332 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:52:29,332 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:52:29,342 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:28" (1/1) ... [2023-11-19 04:52:29,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:28" (1/1) ... [2023-11-19 04:52:29,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:28" (1/1) ... [2023-11-19 04:52:29,411 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:28" (1/1) ... [2023-11-19 04:52:29,720 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:28" (1/1) ... [2023-11-19 04:52:29,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:28" (1/1) ... [2023-11-19 04:52:29,810 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:28" (1/1) ... [2023-11-19 04:52:29,833 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:28" (1/1) ... [2023-11-19 04:52:29,904 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:52:29,905 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:52:29,905 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:52:29,905 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:52:29,906 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:28" (1/1) ... [2023-11-19 04:52:29,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:52:29,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf1e67d-01ed-4e32-8695-967cf93cebab/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:52:29,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf1e67d-01ed-4e32-8695-967cf93cebab/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:52:29,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf1e67d-01ed-4e32-8695-967cf93cebab/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:52:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2023-11-19 04:52:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2023-11-19 04:52:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2023-11-19 04:52:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2023-11-19 04:52:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2023-11-19 04:52:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2023-11-19 04:52:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 04:52:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 04:52:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2023-11-19 04:52:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2023-11-19 04:52:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2023-11-19 04:52:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2023-11-19 04:52:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2023-11-19 04:52:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2023-11-19 04:52:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:52:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:52:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_tx [2023-11-19 04:52:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_tx [2023-11-19 04:52:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 04:52:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 04:52:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:52:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:52:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2023-11-19 04:52:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2023-11-19 04:52:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-19 04:52:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-19 04:52:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2023-11-19 04:52:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2023-11-19 04:52:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_4 [2023-11-19 04:52:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_4 [2023-11-19 04:52:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2023-11-19 04:52:29,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2023-11-19 04:52:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:52:29,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:52:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2023-11-19 04:52:29,992 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2023-11-19 04:52:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_8 [2023-11-19 04:52:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_8 [2023-11-19 04:52:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2023-11-19 04:52:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2023-11-19 04:52:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2023-11-19 04:52:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2023-11-19 04:52:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2023-11-19 04:52:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2023-11-19 04:52:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2023-11-19 04:52:29,994 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2023-11-19 04:52:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2023-11-19 04:52:29,994 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2023-11-19 04:52:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2023-11-19 04:52:29,994 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2023-11-19 04:52:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_set_channel [2023-11-19 04:52:29,995 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_set_channel [2023-11-19 04:52:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2023-11-19 04:52:29,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2023-11-19 04:52:29,995 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_writereg [2023-11-19 04:52:29,995 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_writereg [2023-11-19 04:52:29,996 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2023-11-19 04:52:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2023-11-19 04:52:29,996 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_generic_frame_duration [2023-11-19 04:52:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_generic_frame_duration [2023-11-19 04:52:29,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 04:52:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 04:52:29,997 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 04:52:29,997 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 04:52:29,997 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 04:52:29,997 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 04:52:29,997 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2023-11-19 04:52:29,997 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2023-11-19 04:52:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:52:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:52:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2023-11-19 04:52:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2023-11-19 04:52:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:52:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:52:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2023-11-19 04:52:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2023-11-19 04:52:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_int_disable [2023-11-19 04:52:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_int_disable [2023-11-19 04:52:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 04:52:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 04:52:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-19 04:52:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-19 04:52:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 04:52:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 04:52:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2023-11-19 04:52:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2023-11-19 04:52:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2023-11-19 04:52:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2023-11-19 04:52:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:52:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2023-11-19 04:52:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2023-11-19 04:52:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2023-11-19 04:52:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2023-11-19 04:52:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2023-11-19 04:52:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2023-11-19 04:52:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:52:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_stop [2023-11-19 04:52:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_stop [2023-11-19 04:52:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2023-11-19 04:52:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2023-11-19 04:52:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2023-11-19 04:52:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2023-11-19 04:52:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2023-11-19 04:52:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2023-11-19 04:52:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2023-11-19 04:52:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2023-11-19 04:52:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2023-11-19 04:52:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 04:52:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 04:52:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 04:52:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 04:52:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:52:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:52:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2023-11-19 04:52:30,005 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2023-11-19 04:52:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:52:30,005 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:52:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_init [2023-11-19 04:52:30,005 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_init [2023-11-19 04:52:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 04:52:30,006 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 04:52:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2023-11-19 04:52:30,006 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2023-11-19 04:52:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 04:52:30,006 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 04:52:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_14 [2023-11-19 04:52:30,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_14 [2023-11-19 04:52:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 04:52:30,007 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 04:52:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2023-11-19 04:52:30,007 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2023-11-19 04:52:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2023-11-19 04:52:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2023-11-19 04:52:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:52:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 04:52:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 04:52:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2023-11-19 04:52:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2023-11-19 04:52:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 04:52:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 04:52:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 04:52:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 04:52:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2023-11-19 04:52:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2023-11-19 04:52:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:52:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-19 04:52:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-19 04:52:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2023-11-19 04:52:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2023-11-19 04:52:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2023-11-19 04:52:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2023-11-19 04:52:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_readreg [2023-11-19 04:52:30,011 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_readreg [2023-11-19 04:52:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:52:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 04:52:30,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 04:52:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2023-11-19 04:52:30,011 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2023-11-19 04:52:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2023-11-19 04:52:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2023-11-19 04:52:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:52:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:52:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2023-11-19 04:52:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2023-11-19 04:52:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2023-11-19 04:52:30,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2023-11-19 04:52:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2023-11-19 04:52:30,013 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2023-11-19 04:52:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_rx [2023-11-19 04:52:30,013 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_rx [2023-11-19 04:52:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2023-11-19 04:52:30,014 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2023-11-19 04:52:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-19 04:52:30,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-19 04:52:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2023-11-19 04:52:30,014 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2023-11-19 04:52:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2023-11-19 04:52:30,014 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2023-11-19 04:52:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2023-11-19 04:52:30,015 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2023-11-19 04:52:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 04:52:30,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 04:52:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:52:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 04:52:30,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 04:52:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2023-11-19 04:52:30,016 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2023-11-19 04:52:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2023-11-19 04:52:30,016 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2023-11-19 04:52:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2023-11-19 04:52:30,016 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2023-11-19 04:52:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:52:30,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:52:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2023-11-19 04:52:30,017 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2023-11-19 04:52:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2023-11-19 04:52:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2023-11-19 04:52:30,017 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2023-11-19 04:52:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2023-11-19 04:52:30,018 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2023-11-19 04:52:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_conf_ac_parm [2023-11-19 04:52:30,018 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_conf_ac_parm [2023-11-19 04:52:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:52:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:52:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-19 04:52:30,018 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-19 04:52:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2023-11-19 04:52:30,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2023-11-19 04:52:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2023-11-19 04:52:30,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2023-11-19 04:52:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 04:52:30,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 04:52:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:52:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 04:52:30,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 04:52:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_RXCB [2023-11-19 04:52:30,020 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_RXCB [2023-11-19 04:52:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:52:30,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:52:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2023-11-19 04:52:30,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2023-11-19 04:52:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2023-11-19 04:52:30,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2023-11-19 04:52:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_stop [2023-11-19 04:52:30,021 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_stop [2023-11-19 04:52:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-19 04:52:30,022 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-19 04:52:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_init [2023-11-19 04:52:30,022 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_init [2023-11-19 04:52:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2023-11-19 04:52:30,022 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2023-11-19 04:52:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2023-11-19 04:52:30,022 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2023-11-19 04:52:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-19 04:52:30,023 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-19 04:52:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 04:52:30,023 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 04:52:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 04:52:30,024 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 04:52:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2023-11-19 04:52:30,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2023-11-19 04:52:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2023-11-19 04:52:30,024 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2023-11-19 04:52:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam2 [2023-11-19 04:52:30,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam2 [2023-11-19 04:52:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2023-11-19 04:52:30,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2023-11-19 04:52:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2023-11-19 04:52:30,025 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2023-11-19 04:52:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2023-11-19 04:52:30,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2023-11-19 04:52:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:52:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2023-11-19 04:52:30,026 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2023-11-19 04:52:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_three_wire_io [2023-11-19 04:52:30,026 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_three_wire_io [2023-11-19 04:52:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_basic_rates [2023-11-19 04:52:30,026 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_basic_rates [2023-11-19 04:52:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2023-11-19 04:52:30,026 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2023-11-19 04:52:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2023-11-19 04:52:30,027 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2023-11-19 04:52:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-11-19 04:52:30,027 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-11-19 04:52:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2023-11-19 04:52:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:52:30,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:52:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2023-11-19 04:52:30,028 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2023-11-19 04:52:31,122 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:52:31,130 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:52:31,705 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:52:44,320 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:52:51,127 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:52:51,128 INFO L302 CfgBuilder]: Removed 81 assume(true) statements. [2023-11-19 04:52:51,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:52:51 BoogieIcfgContainer [2023-11-19 04:52:51,156 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:52:51,159 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:52:51,160 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:52:51,163 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:52:51,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:52:24" (1/3) ... [2023-11-19 04:52:51,165 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@533a020c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:52:51, skipping insertion in model container [2023-11-19 04:52:51,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:28" (2/3) ... [2023-11-19 04:52:51,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@533a020c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:52:51, skipping insertion in model container [2023-11-19 04:52:51,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:52:51" (3/3) ... [2023-11-19 04:52:51,167 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2023-11-19 04:52:51,192 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:52:51,193 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:52:51,341 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:52:51,349 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@73f158ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:52:51,349 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:52:51,368 INFO L276 IsEmpty]: Start isEmpty. Operand has 3256 states, 1678 states have (on average 1.3033373063170441) internal successors, (2187), 1833 states have internal predecessors, (2187), 1530 states have call successors, (1530), 125 states have call predecessors, (1530), 124 states have return successors, (1516), 1481 states have call predecessors, (1516), 1516 states have call successors, (1516) [2023-11-19 04:52:51,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 04:52:51,393 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:52:51,394 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:52:51,395 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:52:51,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:52:51,400 INFO L85 PathProgramCache]: Analyzing trace with hash 2072382866, now seen corresponding path program 1 times [2023-11-19 04:52:51,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:52:51,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546127035] [2023-11-19 04:52:51,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:51,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:52:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:52:52,879 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-19 04:52:52,879 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:52:52,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546127035] [2023-11-19 04:52:52,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546127035] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:52:52,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:52:52,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:52:52,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730971034] [2023-11-19 04:52:52,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:52:52,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:52:52,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:52:52,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:52:52,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:52:52,950 INFO L87 Difference]: Start difference. First operand has 3256 states, 1678 states have (on average 1.3033373063170441) internal successors, (2187), 1833 states have internal predecessors, (2187), 1530 states have call successors, (1530), 125 states have call predecessors, (1530), 124 states have return successors, (1516), 1481 states have call predecessors, (1516), 1516 states have call successors, (1516) Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 04:52:57,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 04:52:59,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:02,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 04:53:04,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 04:53:05,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:53:05,801 INFO L93 Difference]: Finished difference Result 9234 states and 14910 transitions. [2023-11-19 04:53:05,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:53:05,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 70 [2023-11-19 04:53:05,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:53:05,905 INFO L225 Difference]: With dead ends: 9234 [2023-11-19 04:53:05,905 INFO L226 Difference]: Without dead ends: 5959 [2023-11-19 04:53:05,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:53:05,953 INFO L413 NwaCegarLoop]: 4437 mSDtfsCounter, 4682 mSDsluCounter, 4423 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 9 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4682 SdHoareTripleChecker+Valid, 8860 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:53:05,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4682 Valid, 8860 Invalid, 678 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 666 Invalid, 3 Unknown, 0 Unchecked, 12.2s Time] [2023-11-19 04:53:05,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5959 states. [2023-11-19 04:53:06,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5959 to 5959. [2023-11-19 04:53:06,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5959 states, 2855 states have (on average 1.2851138353765323) internal successors, (3669), 2995 states have internal predecessors, (3669), 2857 states have call successors, (2857), 247 states have call predecessors, (2857), 246 states have return successors, (2856), 2786 states have call predecessors, (2856), 2856 states have call successors, (2856) [2023-11-19 04:53:06,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5959 states to 5959 states and 9382 transitions. [2023-11-19 04:53:06,939 INFO L78 Accepts]: Start accepts. Automaton has 5959 states and 9382 transitions. Word has length 70 [2023-11-19 04:53:06,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:53:06,940 INFO L495 AbstractCegarLoop]: Abstraction has 5959 states and 9382 transitions. [2023-11-19 04:53:06,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 04:53:06,941 INFO L276 IsEmpty]: Start isEmpty. Operand 5959 states and 9382 transitions. [2023-11-19 04:53:06,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 04:53:06,948 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:53:06,949 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:53:06,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:53:06,950 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:53:06,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:53:06,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1123390622, now seen corresponding path program 1 times [2023-11-19 04:53:06,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:53:06,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646397021] [2023-11-19 04:53:06,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:06,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:53:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:53:08,207 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-19 04:53:08,207 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:53:08,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646397021] [2023-11-19 04:53:08,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646397021] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:53:08,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:53:08,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:53:08,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975927976] [2023-11-19 04:53:08,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:53:08,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:53:08,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:53:08,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:53:08,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:53:08,212 INFO L87 Difference]: Start difference. First operand 5959 states and 9382 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9)