./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1778b4a-d2d4-48c4-b62e-b5fc05a25b91/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1778b4a-d2d4-48c4-b62e-b5fc05a25b91/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_e1778b4a-d2d4-48c4-b62e-b5fc05a25b91/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1778b4a-d2d4-48c4-b62e-b5fc05a25b91/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1778b4a-d2d4-48c4-b62e-b5fc05a25b91/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_e1778b4a-d2d4-48c4-b62e-b5fc05a25b91/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 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:08:57,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:08:57,372 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1778b4a-d2d4-48c4-b62e-b5fc05a25b91/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:08:57,378 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:08:57,379 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:08:57,403 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:08:57,404 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:08:57,405 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:08:57,406 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:08:57,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:08:57,407 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:08:57,407 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:08:57,408 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:08:57,409 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:08:57,409 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:08:57,410 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:08:57,410 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:08:57,411 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:08:57,412 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:08:57,412 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:08:57,413 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:08:57,418 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:08:57,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:08:57,419 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:08:57,419 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:08:57,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:08:57,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:08:57,421 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:08:57,422 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:08:57,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:08:57,422 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:08:57,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:08:57,423 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:08:57,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:08:57,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:08:57,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:08:57,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:08:57,425 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:08:57,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:08:57,426 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:08:57,426 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:08:57,428 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:08:57,428 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_e1778b4a-d2d4-48c4-b62e-b5fc05a25b91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1778b4a-d2d4-48c4-b62e-b5fc05a25b91/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a [2023-11-19 05:08:57,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:08:57,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:08:57,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:08:57,722 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:08:57,723 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:08:57,724 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1778b4a-d2d4-48c4-b62e-b5fc05a25b91/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2023-11-19 05:09:00,936 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:09:01,739 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:09:01,740 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1778b4a-d2d4-48c4-b62e-b5fc05a25b91/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2023-11-19 05:09:01,824 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1778b4a-d2d4-48c4-b62e-b5fc05a25b91/bin/utaipan-verify-t7M7D8N6sZ/data/1f6b312ea/b430098c44774d29909f6bc0e38cdf1e/FLAG5b9bff745 [2023-11-19 05:09:01,843 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1778b4a-d2d4-48c4-b62e-b5fc05a25b91/bin/utaipan-verify-t7M7D8N6sZ/data/1f6b312ea/b430098c44774d29909f6bc0e38cdf1e [2023-11-19 05:09:01,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:09:01,854 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:09:01,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:09:01,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:09:01,864 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:09:01,865 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:09:01" (1/1) ... [2023-11-19 05:09:01,866 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12d5625e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:01, skipping insertion in model container [2023-11-19 05:09:01,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:09:01" (1/1) ... [2023-11-19 05:09:02,145 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:09:06,560 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_e1778b4a-d2d4-48c4-b62e-b5fc05a25b91/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2023-11-19 05:09:06,566 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_e1778b4a-d2d4-48c4-b62e-b5fc05a25b91/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2023-11-19 05:09:06,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:09:06,715 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:09:06,848 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 *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6530-6531] [2023-11-19 05:09:06,850 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"); [6536-6538] [2023-11-19 05:09:06,862 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)); [6759-6760] [2023-11-19 05:09:06,864 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)); [6793-6794] [2023-11-19 05:09:07,213 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_e1778b4a-d2d4-48c4-b62e-b5fc05a25b91/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2023-11-19 05:09:07,214 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_e1778b4a-d2d4-48c4-b62e-b5fc05a25b91/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2023-11-19 05:09:07,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:09:07,439 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:09:07,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:07 WrapperNode [2023-11-19 05:09:07,440 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:09:07,441 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:09:07,441 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:09:07,441 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:09:07,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:07" (1/1) ... [2023-11-19 05:09:07,586 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:07" (1/1) ... [2023-11-19 05:09:07,957 INFO L138 Inliner]: procedures = 521, calls = 3911, calls flagged for inlining = 277, calls inlined = 262, statements flattened = 7553 [2023-11-19 05:09:07,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:09:07,959 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:09:07,959 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:09:07,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:09:07,969 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:07" (1/1) ... [2023-11-19 05:09:07,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:07" (1/1) ... [2023-11-19 05:09:08,041 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:07" (1/1) ... [2023-11-19 05:09:08,042 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:07" (1/1) ... [2023-11-19 05:09:08,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:07" (1/1) ... [2023-11-19 05:09:08,348 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:07" (1/1) ... [2023-11-19 05:09:08,400 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:07" (1/1) ... [2023-11-19 05:09:08,434 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:07" (1/1) ... [2023-11-19 05:09:08,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:09:08,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:09:08,501 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:09:08,501 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:09:08,502 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:07" (1/1) ... [2023-11-19 05:09:08,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:09:08,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1778b4a-d2d4-48c4-b62e-b5fc05a25b91/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:09:08,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1778b4a-d2d4-48c4-b62e-b5fc05a25b91/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:09:08,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1778b4a-d2d4-48c4-b62e-b5fc05a25b91/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:09:08,568 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2023-11-19 05:09:08,568 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2023-11-19 05:09:08,568 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2023-11-19 05:09:08,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2023-11-19 05:09:08,569 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2023-11-19 05:09:08,569 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2023-11-19 05:09:08,569 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2023-11-19 05:09:08,569 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2023-11-19 05:09:08,569 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 05:09:08,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 05:09:08,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:09:08,570 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:09:08,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:09:08,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:09:08,570 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2023-11-19 05:09:08,570 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2023-11-19 05:09:08,570 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2023-11-19 05:09:08,570 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2023-11-19 05:09:08,571 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 05:09:08,571 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 05:09:08,571 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 05:09:08,571 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 05:09:08,571 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 05:09:08,571 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 05:09:08,572 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2023-11-19 05:09:08,572 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2023-11-19 05:09:08,572 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2023-11-19 05:09:08,572 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2023-11-19 05:09:08,572 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2023-11-19 05:09:08,572 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2023-11-19 05:09:08,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 05:09:08,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 05:09:08,573 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2023-11-19 05:09:08,573 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2023-11-19 05:09:08,573 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2023-11-19 05:09:08,573 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2023-11-19 05:09:08,573 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2023-11-19 05:09:08,574 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2023-11-19 05:09:08,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 05:09:08,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 05:09:08,574 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 05:09:08,574 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 05:09:08,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2023-11-19 05:09:08,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2023-11-19 05:09:08,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:09:08,575 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2023-11-19 05:09:08,575 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2023-11-19 05:09:08,575 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2023-11-19 05:09:08,575 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2023-11-19 05:09:08,575 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2023-11-19 05:09:08,576 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2023-11-19 05:09:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:09:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2023-11-19 05:09:08,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2023-11-19 05:09:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_conf_erp [2023-11-19 05:09:08,576 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_conf_erp [2023-11-19 05:09:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 05:09:08,576 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 05:09:08,577 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 05:09:08,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 05:09:08,577 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2023-11-19 05:09:08,577 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2023-11-19 05:09:08,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:09:08,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 05:09:08,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 05:09:08,578 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2023-11-19 05:09:08,578 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2023-11-19 05:09:08,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:09:08,578 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 05:09:08,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 05:09:08,578 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2023-11-19 05:09:08,578 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2023-11-19 05:09:08,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 05:09:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 05:09:08,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 05:09:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 05:09:08,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 05:09:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 05:09:08,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 05:09:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 05:09:08,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 05:09:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 05:09:08,580 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-19 05:09:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-19 05:09:08,580 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2023-11-19 05:09:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2023-11-19 05:09:08,580 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2023-11-19 05:09:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2023-11-19 05:09:08,581 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 05:09:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 05:09:08,581 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 05:09:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 05:09:08,581 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2023-11-19 05:09:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2023-11-19 05:09:08,581 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2023-11-19 05:09:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2023-11-19 05:09:08,582 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2023-11-19 05:09:08,582 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2023-11-19 05:09:08,582 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2023-11-19 05:09:08,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2023-11-19 05:09:08,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:09:08,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 05:09:08,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 05:09:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 05:09:08,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 05:09:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:09:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-19 05:09:08,583 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-19 05:09:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2023-11-19 05:09:08,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2023-11-19 05:09:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2023-11-19 05:09:08,584 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2023-11-19 05:09:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 05:09:08,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 05:09:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 05:09:08,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 05:09:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:09:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:09:08,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:09:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 05:09:08,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 05:09:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-19 05:09:08,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-19 05:09:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2023-11-19 05:09:08,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2023-11-19 05:09:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-19 05:09:08,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-19 05:09:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2023-11-19 05:09:08,586 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2023-11-19 05:09:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2023-11-19 05:09:08,586 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2023-11-19 05:09:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 05:09:08,587 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 05:09:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2023-11-19 05:09:08,587 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2023-11-19 05:09:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2023-11-19 05:09:08,587 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2023-11-19 05:09:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rtl8180_priv [2023-11-19 05:09:08,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rtl8180_priv [2023-11-19 05:09:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2023-11-19 05:09:08,588 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2023-11-19 05:09:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2023-11-19 05:09:08,588 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2023-11-19 05:09:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-11-19 05:09:08,589 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-11-19 05:09:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:09:08,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:09:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 05:09:08,589 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 05:09:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2023-11-19 05:09:08,589 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2023-11-19 05:09:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:09:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:09:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:09:08,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:09:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2023-11-19 05:09:08,590 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2023-11-19 05:09:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2023-11-19 05:09:08,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2023-11-19 05:09:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2023-11-19 05:09:08,591 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2023-11-19 05:09:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2023-11-19 05:09:08,591 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2023-11-19 05:09:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2023-11-19 05:09:08,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2023-11-19 05:09:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-19 05:09:08,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-19 05:09:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 05:09:08,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 05:09:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 05:09:08,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 05:09:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2023-11-19 05:09:08,593 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2023-11-19 05:09:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:09:08,593 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:09:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-19 05:09:08,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-19 05:09:08,594 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2023-11-19 05:09:08,594 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2023-11-19 05:09:08,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:09:08,594 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2023-11-19 05:09:08,594 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2023-11-19 05:09:08,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:09:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:09:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:09:08,595 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:09:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-19 05:09:08,595 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-19 05:09:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 05:09:08,595 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 05:09:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 05:09:08,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 05:09:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2023-11-19 05:09:08,596 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2023-11-19 05:09:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2023-11-19 05:09:08,596 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2023-11-19 05:09:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2023-11-19 05:09:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2023-11-19 05:09:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2023-11-19 05:09:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2023-11-19 05:09:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2023-11-19 05:09:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2023-11-19 05:09:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2023-11-19 05:09:08,598 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2023-11-19 05:09:08,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:09:08,598 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2023-11-19 05:09:08,598 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2023-11-19 05:09:08,598 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-19 05:09:08,598 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-19 05:09:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:09:08,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:09:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2023-11-19 05:09:08,599 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2023-11-19 05:09:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2023-11-19 05:09:08,599 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2023-11-19 05:09:08,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2023-11-19 05:09:08,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2023-11-19 05:09:08,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2023-11-19 05:09:08,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2023-11-19 05:09:08,600 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-19 05:09:08,600 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-19 05:09:08,600 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-19 05:09:08,601 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-19 05:09:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 05:09:08,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 05:09:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2023-11-19 05:09:08,601 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2023-11-19 05:09:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 05:09:08,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 05:09:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2023-11-19 05:09:08,602 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2023-11-19 05:09:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2023-11-19 05:09:08,602 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2023-11-19 05:09:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-19 05:09:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:09:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 05:09:08,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 05:09:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2023-11-19 05:09:08,603 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2023-11-19 05:09:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 05:09:08,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 05:09:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2023-11-19 05:09:08,604 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2023-11-19 05:09:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2023-11-19 05:09:08,604 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2023-11-19 05:09:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2023-11-19 05:09:08,604 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2023-11-19 05:09:09,799 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:09:09,808 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:09:10,324 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:09:21,806 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 05:09:22,092 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:09:28,310 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:09:28,311 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 05:09:28,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:09:28 BoogieIcfgContainer [2023-11-19 05:09:28,335 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:09:28,339 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:09:28,339 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:09:28,342 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:09:28,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:09:01" (1/3) ... [2023-11-19 05:09:28,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1770a775 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:09:28, skipping insertion in model container [2023-11-19 05:09:28,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:07" (2/3) ... [2023-11-19 05:09:28,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1770a775 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:09:28, skipping insertion in model container [2023-11-19 05:09:28,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:09:28" (3/3) ... [2023-11-19 05:09:28,346 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2023-11-19 05:09:28,371 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:09:28,371 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:09:28,519 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:09:28,536 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;@2149a8f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:09:28,537 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:09:28,555 INFO L276 IsEmpty]: Start isEmpty. Operand has 2543 states, 1200 states have (on average 1.25) internal successors, (1500), 1236 states have internal predecessors, (1500), 1228 states have call successors, (1228), 115 states have call predecessors, (1228), 114 states have return successors, (1220), 1203 states have call predecessors, (1220), 1220 states have call successors, (1220) [2023-11-19 05:09:28,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2023-11-19 05:09:28,636 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:09:28,638 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:09:28,641 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:09:28,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:09:28,650 INFO L85 PathProgramCache]: Analyzing trace with hash 297234476, now seen corresponding path program 1 times [2023-11-19 05:09:28,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:09:28,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927052403] [2023-11-19 05:09:28,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:09:28,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:09:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:09:30,562 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5112 trivial. 0 not checked. [2023-11-19 05:09:30,566 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:09:30,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927052403] [2023-11-19 05:09:30,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927052403] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:09:30,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:09:30,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:09:30,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801692543] [2023-11-19 05:09:30,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:09:30,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:09:30,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:09:30,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:09:30,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:09:30,634 INFO L87 Difference]: Start difference. First operand has 2543 states, 1200 states have (on average 1.25) internal successors, (1500), 1236 states have internal predecessors, (1500), 1228 states have call successors, (1228), 115 states have call predecessors, (1228), 114 states have return successors, (1220), 1203 states have call predecessors, (1220), 1220 states have call successors, (1220) Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2023-11-19 05:09:32,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:09:35,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 05:09:38,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:09:40,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 05:09:42,826 WARN L539 Checker$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 05:09:43,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:09:43,476 INFO L93 Difference]: Finished difference Result 7403 states and 11548 transitions. [2023-11-19 05:09:43,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:09:43,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 412 [2023-11-19 05:09:43,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:09:43,588 INFO L225 Difference]: With dead ends: 7403 [2023-11-19 05:09:43,588 INFO L226 Difference]: Without dead ends: 4866 [2023-11-19 05:09:43,631 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 05:09:43,638 INFO L413 NwaCegarLoop]: 3535 mSDtfsCounter, 3721 mSDsluCounter, 3473 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 15 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3721 SdHoareTripleChecker+Valid, 7008 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:09:43,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3721 Valid, 7008 Invalid, 925 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 907 Invalid, 3 Unknown, 0 Unchecked, 12.2s Time] [2023-11-19 05:09:43,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4866 states. [2023-11-19 05:09:44,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4866 to 4861. [2023-11-19 05:09:44,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4861 states, 2303 states have (on average 1.2409900130264873) internal successors, (2858), 2369 states have internal predecessors, (2858), 2333 states have call successors, (2333), 224 states have call predecessors, (2333), 224 states have return successors, (2352), 2299 states have call predecessors, (2352), 2333 states have call successors, (2352) [2023-11-19 05:09:44,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4861 states to 4861 states and 7543 transitions. [2023-11-19 05:09:44,444 INFO L78 Accepts]: Start accepts. Automaton has 4861 states and 7543 transitions. Word has length 412 [2023-11-19 05:09:44,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:09:44,450 INFO L495 AbstractCegarLoop]: Abstraction has 4861 states and 7543 transitions. [2023-11-19 05:09:44,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2023-11-19 05:09:44,451 INFO L276 IsEmpty]: Start isEmpty. Operand 4861 states and 7543 transitions. [2023-11-19 05:09:44,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2023-11-19 05:09:44,474 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:09:44,474 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:09:44,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:09:44,475 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:09:44,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:09:44,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1009634934, now seen corresponding path program 1 times [2023-11-19 05:09:44,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:09:44,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649088227] [2023-11-19 05:09:44,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:09:44,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:09:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:09:45,723 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5112 trivial. 0 not checked. [2023-11-19 05:09:45,724 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:09:45,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649088227] [2023-11-19 05:09:45,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649088227] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:09:45,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:09:45,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:09:45,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678901131] [2023-11-19 05:09:45,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:09:45,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:09:45,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:09:45,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:09:45,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:09:45,731 INFO L87 Difference]: Start difference. First operand 4861 states and 7543 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45)