./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 cf1a7837 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_36f140ba-9d37-4164-8085-a922ab5fc7d7/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f140ba-9d37-4164-8085-a922ab5fc7d7/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f140ba-9d37-4164-8085-a922ab5fc7d7/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f140ba-9d37-4164-8085-a922ab5fc7d7/bin/utaipan-verify-NcY6lQBIFX/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_36f140ba-9d37-4164-8085-a922ab5fc7d7/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f140ba-9d37-4164-8085-a922ab5fc7d7/bin/utaipan-verify-NcY6lQBIFX --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-cf1a783 [2023-11-12 01:02:10,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:02:10,624 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f140ba-9d37-4164-8085-a922ab5fc7d7/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 01:02:10,634 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:02:10,635 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:02:10,676 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:02:10,677 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:02:10,677 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:02:10,691 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:02:10,692 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:02:10,693 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:02:10,693 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:02:10,694 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:02:10,694 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 01:02:10,695 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:02:10,696 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:02:10,696 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 01:02:10,697 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 01:02:10,698 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:02:10,698 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 01:02:10,699 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 01:02:10,700 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 01:02:10,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:02:10,701 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:02:10,702 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 01:02:10,702 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:02:10,703 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:02:10,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:02:10,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:02:10,704 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:02:10,705 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:02:10,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:02:10,706 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:02:10,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:02:10,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:02:10,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:02:10,708 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:02:10,708 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 01:02:10,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 01:02:10,709 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:02:10,710 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:02:10,710 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:02:10,711 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_36f140ba-9d37-4164-8085-a922ab5fc7d7/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f140ba-9d37-4164-8085-a922ab5fc7d7/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a [2023-11-12 01:02:11,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:02:11,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:02:11,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:02:11,095 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:02:11,095 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:02:11,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f140ba-9d37-4164-8085-a922ab5fc7d7/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2023-11-12 01:02:14,228 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:02:15,002 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:02:15,005 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f140ba-9d37-4164-8085-a922ab5fc7d7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2023-11-12 01:02:15,076 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f140ba-9d37-4164-8085-a922ab5fc7d7/bin/utaipan-verify-NcY6lQBIFX/data/a01e8accc/457d706b335a40a58e9feada05f62aaf/FLAG6eb27e60d [2023-11-12 01:02:15,096 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f140ba-9d37-4164-8085-a922ab5fc7d7/bin/utaipan-verify-NcY6lQBIFX/data/a01e8accc/457d706b335a40a58e9feada05f62aaf [2023-11-12 01:02:15,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:02:15,106 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:02:15,108 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:02:15,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:02:15,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:02:15,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:02:15" (1/1) ... [2023-11-12 01:02:15,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ecf6ab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:15, skipping insertion in model container [2023-11-12 01:02:15,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:02:15" (1/1) ... [2023-11-12 01:02:15,332 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:02:19,390 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_36f140ba-9d37-4164-8085-a922ab5fc7d7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2023-11-12 01:02:19,394 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_36f140ba-9d37-4164-8085-a922ab5fc7d7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2023-11-12 01:02:19,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:02:19,522 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:02:19,646 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] [2023-11-12 01:02:19,647 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] [2023-11-12 01:02:19,655 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] [2023-11-12 01:02:19,657 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] [2023-11-12 01:02:19,964 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_36f140ba-9d37-4164-8085-a922ab5fc7d7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2023-11-12 01:02:19,965 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_36f140ba-9d37-4164-8085-a922ab5fc7d7/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2023-11-12 01:02:19,971 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:02:20,236 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:02:20,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:20 WrapperNode [2023-11-12 01:02:20,237 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:02:20,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:02:20,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:02:20,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:02:20,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:20" (1/1) ... [2023-11-12 01:02:20,410 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:20" (1/1) ... [2023-11-12 01:02:20,746 INFO L138 Inliner]: procedures = 521, calls = 3911, calls flagged for inlining = 277, calls inlined = 262, statements flattened = 7553 [2023-11-12 01:02:20,747 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:02:20,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:02:20,748 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:02:20,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:02:20,760 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:20" (1/1) ... [2023-11-12 01:02:20,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:20" (1/1) ... [2023-11-12 01:02:20,822 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:20" (1/1) ... [2023-11-12 01:02:20,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:20" (1/1) ... [2023-11-12 01:02:21,093 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:20" (1/1) ... [2023-11-12 01:02:21,139 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:20" (1/1) ... [2023-11-12 01:02:21,188 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:20" (1/1) ... [2023-11-12 01:02:21,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:20" (1/1) ... [2023-11-12 01:02:21,330 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:02:21,332 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:02:21,333 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:02:21,333 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:02:21,334 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:20" (1/1) ... [2023-11-12 01:02:21,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:02:21,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f140ba-9d37-4164-8085-a922ab5fc7d7/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:02:21,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f140ba-9d37-4164-8085-a922ab5fc7d7/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:02:21,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f140ba-9d37-4164-8085-a922ab5fc7d7/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:02:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2023-11-12 01:02:21,408 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2023-11-12 01:02:21,408 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2023-11-12 01:02:21,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2023-11-12 01:02:21,408 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2023-11-12 01:02:21,408 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2023-11-12 01:02:21,408 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2023-11-12 01:02:21,409 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2023-11-12 01:02:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 01:02:21,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 01:02:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 01:02:21,409 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 01:02:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 01:02:21,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 01:02:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2023-11-12 01:02:21,410 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2023-11-12 01:02:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2023-11-12 01:02:21,411 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2023-11-12 01:02:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 01:02:21,411 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 01:02:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 01:02:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 01:02:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 01:02:21,413 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 01:02:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2023-11-12 01:02:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2023-11-12 01:02:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2023-11-12 01:02:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2023-11-12 01:02:21,415 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2023-11-12 01:02:21,416 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2023-11-12 01:02:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 01:02:21,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 01:02:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2023-11-12 01:02:21,416 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2023-11-12 01:02:21,416 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2023-11-12 01:02:21,416 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2023-11-12 01:02:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2023-11-12 01:02:21,417 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2023-11-12 01:02:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 01:02:21,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 01:02:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-12 01:02:21,418 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-12 01:02:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2023-11-12 01:02:21,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2023-11-12 01:02:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 01:02:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2023-11-12 01:02:21,418 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2023-11-12 01:02:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2023-11-12 01:02:21,419 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2023-11-12 01:02:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2023-11-12 01:02:21,419 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2023-11-12 01:02:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 01:02:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2023-11-12 01:02:21,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2023-11-12 01:02:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_conf_erp [2023-11-12 01:02:21,420 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_conf_erp [2023-11-12 01:02:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 01:02:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 01:02:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 01:02:21,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 01:02:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2023-11-12 01:02:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2023-11-12 01:02:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 01:02:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 01:02:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 01:02:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2023-11-12 01:02:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2023-11-12 01:02:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 01:02:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 01:02:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 01:02:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2023-11-12 01:02:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2023-11-12 01:02:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 01:02:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 01:02:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 01:02:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 01:02:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 01:02:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 01:02:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 01:02:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 01:02:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 01:02:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 01:02:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-12 01:02:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-12 01:02:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2023-11-12 01:02:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2023-11-12 01:02:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2023-11-12 01:02:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2023-11-12 01:02:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 01:02:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 01:02:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 01:02:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 01:02:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2023-11-12 01:02:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2023-11-12 01:02:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2023-11-12 01:02:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2023-11-12 01:02:21,430 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2023-11-12 01:02:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2023-11-12 01:02:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2023-11-12 01:02:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2023-11-12 01:02:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 01:02:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 01:02:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 01:02:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 01:02:21,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 01:02:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:02:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-12 01:02:21,433 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-12 01:02:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2023-11-12 01:02:21,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2023-11-12 01:02:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2023-11-12 01:02:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2023-11-12 01:02:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 01:02:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 01:02:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 01:02:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 01:02:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 01:02:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 01:02:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 01:02:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 01:02:21,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 01:02:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-12 01:02:21,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-12 01:02:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2023-11-12 01:02:21,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2023-11-12 01:02:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-12 01:02:21,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-12 01:02:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2023-11-12 01:02:21,438 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2023-11-12 01:02:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2023-11-12 01:02:21,438 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2023-11-12 01:02:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 01:02:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 01:02:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2023-11-12 01:02:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2023-11-12 01:02:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2023-11-12 01:02:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2023-11-12 01:02:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rtl8180_priv [2023-11-12 01:02:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rtl8180_priv [2023-11-12 01:02:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2023-11-12 01:02:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2023-11-12 01:02:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2023-11-12 01:02:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2023-11-12 01:02:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-11-12 01:02:21,445 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-11-12 01:02:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:02:21,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:02:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-12 01:02:21,447 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-12 01:02:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2023-11-12 01:02:21,449 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2023-11-12 01:02:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 01:02:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 01:02:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 01:02:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 01:02:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2023-11-12 01:02:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2023-11-12 01:02:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2023-11-12 01:02:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2023-11-12 01:02:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2023-11-12 01:02:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2023-11-12 01:02:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2023-11-12 01:02:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2023-11-12 01:02:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2023-11-12 01:02:21,458 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2023-11-12 01:02:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-12 01:02:21,458 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-12 01:02:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 01:02:21,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 01:02:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-12 01:02:21,458 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-12 01:02:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2023-11-12 01:02:21,459 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2023-11-12 01:02:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 01:02:21,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 01:02:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-12 01:02:21,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-12 01:02:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2023-11-12 01:02:21,460 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2023-11-12 01:02:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 01:02:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2023-11-12 01:02:21,460 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2023-11-12 01:02:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 01:02:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 01:02:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 01:02:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 01:02:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-12 01:02:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-12 01:02:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 01:02:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 01:02:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 01:02:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 01:02:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2023-11-12 01:02:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2023-11-12 01:02:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2023-11-12 01:02:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2023-11-12 01:02:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2023-11-12 01:02:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2023-11-12 01:02:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2023-11-12 01:02:21,463 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2023-11-12 01:02:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2023-11-12 01:02:21,463 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2023-11-12 01:02:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2023-11-12 01:02:21,463 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2023-11-12 01:02:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 01:02:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2023-11-12 01:02:21,464 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2023-11-12 01:02:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-12 01:02:21,464 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-12 01:02:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 01:02:21,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 01:02:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2023-11-12 01:02:21,464 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2023-11-12 01:02:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2023-11-12 01:02:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2023-11-12 01:02:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2023-11-12 01:02:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2023-11-12 01:02:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2023-11-12 01:02:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2023-11-12 01:02:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-12 01:02:21,466 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-12 01:02:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-12 01:02:21,466 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-12 01:02:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 01:02:21,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 01:02:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2023-11-12 01:02:21,467 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2023-11-12 01:02:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-12 01:02:21,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-12 01:02:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2023-11-12 01:02:21,467 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2023-11-12 01:02:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2023-11-12 01:02:21,467 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2023-11-12 01:02:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-12 01:02:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 01:02:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-12 01:02:21,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-12 01:02:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2023-11-12 01:02:21,468 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2023-11-12 01:02:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 01:02:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 01:02:21,469 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2023-11-12 01:02:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2023-11-12 01:02:21,469 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2023-11-12 01:02:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2023-11-12 01:02:21,469 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2023-11-12 01:02:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2023-11-12 01:02:22,641 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:02:22,650 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:02:23,136 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 01:02:34,806 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 01:02:35,074 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:02:41,221 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:02:41,221 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 01:02:41,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:02:41 BoogieIcfgContainer [2023-11-12 01:02:41,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:02:41,238 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:02:41,238 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:02:41,242 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:02:41,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:02:15" (1/3) ... [2023-11-12 01:02:41,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d90b890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:02:41, skipping insertion in model container [2023-11-12 01:02:41,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:02:20" (2/3) ... [2023-11-12 01:02:41,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d90b890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:02:41, skipping insertion in model container [2023-11-12 01:02:41,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:02:41" (3/3) ... [2023-11-12 01:02:41,246 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2023-11-12 01:02:41,271 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:02:41,271 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 01:02:41,403 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:02:41,414 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;@2624788d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:02:41,414 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 01:02:41,433 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) [2023-11-12 01:02:41,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2023-11-12 01:02:41,508 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:02:41,509 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] [2023-11-12 01:02:41,510 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:02:41,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:02:41,518 INFO L85 PathProgramCache]: Analyzing trace with hash 297234476, now seen corresponding path program 1 times [2023-11-12 01:02:41,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:02:41,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594093329] [2023-11-12 01:02:41,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:02:41,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:02:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:02:43,460 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5112 trivial. 0 not checked. [2023-11-12 01:02:43,461 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:02:43,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594093329] [2023-11-12 01:02:43,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594093329] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:02:43,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:02:43,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:02:43,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019367511] [2023-11-12 01:02:43,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:02:43,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:02:43,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:02:43,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:02:43,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:02:43,525 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) [2023-11-12 01:02:45,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:02:48,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-12 01:02:51,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:02:54,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-12 01:02:56,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-12 01:02:57,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:02:57,612 INFO L93 Difference]: Finished difference Result 7403 states and 11548 transitions. [2023-11-12 01:02:57,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 01:02:57,615 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 [2023-11-12 01:02:57,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:02:57,703 INFO L225 Difference]: With dead ends: 7403 [2023-11-12 01:02:57,704 INFO L226 Difference]: Without dead ends: 4866 [2023-11-12 01:02:57,747 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 [2023-11-12 01:02:57,755 INFO L413 NwaCegarLoop]: 3535 mSDtfsCounter, 3721 mSDsluCounter, 3473 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 15 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s 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, 13.3s IncrementalHoareTripleChecker+Time [2023-11-12 01:02:57,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3721 Valid, 7008 Invalid, 925 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 907 Invalid, 3 Unknown, 0 Unchecked, 13.3s Time] [2023-11-12 01:02:57,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4866 states. [2023-11-12 01:02:58,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4866 to 4861. [2023-11-12 01:02:58,585 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) [2023-11-12 01:02:58,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4861 states to 4861 states and 7543 transitions. [2023-11-12 01:02:58,690 INFO L78 Accepts]: Start accepts. Automaton has 4861 states and 7543 transitions. Word has length 412 [2023-11-12 01:02:58,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:02:58,697 INFO L495 AbstractCegarLoop]: Abstraction has 4861 states and 7543 transitions. [2023-11-12 01:02:58,697 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) [2023-11-12 01:02:58,697 INFO L276 IsEmpty]: Start isEmpty. Operand 4861 states and 7543 transitions. [2023-11-12 01:02:58,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2023-11-12 01:02:58,722 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:02:58,722 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] [2023-11-12 01:02:58,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 01:02:58,723 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:02:58,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:02:58,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1009634934, now seen corresponding path program 1 times [2023-11-12 01:02:58,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:02:58,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025307061] [2023-11-12 01:02:58,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:02:58,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:02:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:02:59,874 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5112 trivial. 0 not checked. [2023-11-12 01:02:59,875 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:02:59,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025307061] [2023-11-12 01:02:59,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025307061] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:02:59,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:02:59,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:02:59,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729874673] [2023-11-12 01:02:59,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:02:59,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:02:59,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:02:59,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:02:59,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:02:59,880 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)