./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd556c-6077-4cb1-b9cf-4be7d4e2f39e/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd556c-6077-4cb1-b9cf-4be7d4e2f39e/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_84cd556c-6077-4cb1-b9cf-4be7d4e2f39e/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd556c-6077-4cb1-b9cf-4be7d4e2f39e/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd556c-6077-4cb1-b9cf-4be7d4e2f39e/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_84cd556c-6077-4cb1-b9cf-4be7d4e2f39e/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 67e7778ced54570c612880d3f2f5d48e6e2d3dc55afd632628e45d31cdc74c58 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:12:12,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:12:12,477 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd556c-6077-4cb1-b9cf-4be7d4e2f39e/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:12:12,483 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:12:12,484 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:12:12,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:12:12,523 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:12:12,523 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:12:12,524 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:12:12,529 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:12:12,530 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:12:12,530 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:12:12,531 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:12:12,532 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:12:12,533 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:12:12,533 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:12:12,534 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:12:12,534 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:12:12,534 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:12:12,535 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:12:12,535 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:12:12,536 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:12:12,537 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:12:12,537 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:12:12,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:12:12,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:12:12,539 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:12:12,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:12:12,540 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:12:12,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:12:12,541 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:12:12,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:12:12,542 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:12:12,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:12:12,542 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:12:12,543 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:12:12,543 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:12:12,543 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:12:12,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:12:12,543 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:12:12,544 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:12:12,545 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:12:12,545 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_84cd556c-6077-4cb1-b9cf-4be7d4e2f39e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd556c-6077-4cb1-b9cf-4be7d4e2f39e/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67e7778ced54570c612880d3f2f5d48e6e2d3dc55afd632628e45d31cdc74c58 [2023-11-12 00:12:12,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:12:12,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:12:12,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:12:12,832 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:12:12,832 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:12:12,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd556c-6077-4cb1-b9cf-4be7d4e2f39e/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i [2023-11-12 00:12:15,883 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:12:16,653 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:12:16,654 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd556c-6077-4cb1-b9cf-4be7d4e2f39e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i [2023-11-12 00:12:16,712 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd556c-6077-4cb1-b9cf-4be7d4e2f39e/bin/utaipan-verify-NcY6lQBIFX/data/1bad5c55d/cffff823062e423f94f8b48b51297a90/FLAGda8c46818 [2023-11-12 00:12:16,728 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd556c-6077-4cb1-b9cf-4be7d4e2f39e/bin/utaipan-verify-NcY6lQBIFX/data/1bad5c55d/cffff823062e423f94f8b48b51297a90 [2023-11-12 00:12:16,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:12:16,732 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:12:16,733 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:12:16,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:12:16,739 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:12:16,740 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:12:16" (1/1) ... [2023-11-12 00:12:16,741 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@189a4038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:16, skipping insertion in model container [2023-11-12 00:12:16,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:12:16" (1/1) ... [2023-11-12 00:12:16,942 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:12:20,065 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_84cd556c-6077-4cb1-b9cf-4be7d4e2f39e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329615,329628] [2023-11-12 00:12:20,071 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_84cd556c-6077-4cb1-b9cf-4be7d4e2f39e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329784,329797] [2023-11-12 00:12:20,072 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd556c-6077-4cb1-b9cf-4be7d4e2f39e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329951,329964] [2023-11-12 00:12:20,080 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_84cd556c-6077-4cb1-b9cf-4be7d4e2f39e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[330119,330132] [2023-11-12 00:12:20,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:12:20,155 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:12:20,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5742] [2023-11-12 00:12:20,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5749] [2023-11-12 00:12:20,339 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5756] [2023-11-12 00:12:20,340 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/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5786-5787] [2023-11-12 00:12:20,340 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"); [5792-5794] [2023-11-12 00:12:20,344 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5875] [2023-11-12 00:12:20,344 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5883] [2023-11-12 00:12:20,612 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_84cd556c-6077-4cb1-b9cf-4be7d4e2f39e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329615,329628] [2023-11-12 00:12:20,613 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_84cd556c-6077-4cb1-b9cf-4be7d4e2f39e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329784,329797] [2023-11-12 00:12:20,613 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_84cd556c-6077-4cb1-b9cf-4be7d4e2f39e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329951,329964] [2023-11-12 00:12:20,613 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_84cd556c-6077-4cb1-b9cf-4be7d4e2f39e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[330119,330132] [2023-11-12 00:12:20,621 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:12:20,786 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:12:20,794 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:12:20,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:20 WrapperNode [2023-11-12 00:12:20,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:12:20,796 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:12:20,796 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:12:20,796 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:12:20,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:20" (1/1) ... [2023-11-12 00:12:20,922 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:20" (1/1) ... [2023-11-12 00:12:21,249 INFO L138 Inliner]: procedures = 395, calls = 2115, calls flagged for inlining = 159, calls inlined = 138, statements flattened = 4857 [2023-11-12 00:12:21,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:12:21,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:12:21,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:12:21,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:12:21,276 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:20" (1/1) ... [2023-11-12 00:12:21,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:20" (1/1) ... [2023-11-12 00:12:21,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:20" (1/1) ... [2023-11-12 00:12:21,372 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:20" (1/1) ... [2023-11-12 00:12:21,524 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:20" (1/1) ... [2023-11-12 00:12:21,546 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:20" (1/1) ... [2023-11-12 00:12:21,566 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:20" (1/1) ... [2023-11-12 00:12:21,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:20" (1/1) ... [2023-11-12 00:12:21,617 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:12:21,618 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:12:21,618 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:12:21,619 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:12:21,619 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:20" (1/1) ... [2023-11-12 00:12:21,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:12:21,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd556c-6077-4cb1-b9cf-4be7d4e2f39e/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:12:21,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd556c-6077-4cb1-b9cf-4be7d4e2f39e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:12:21,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd556c-6077-4cb1-b9cf-4be7d4e2f39e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:12:21,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:12:21,710 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:12:21,710 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2023-11-12 00:12:21,710 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2023-11-12 00:12:21,710 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2023-11-12 00:12:21,711 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2023-11-12 00:12:21,711 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 00:12:21,711 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 00:12:21,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:12:21,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:12:21,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_73 [2023-11-12 00:12:21,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_73 [2023-11-12 00:12:21,712 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 00:12:21,713 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 00:12:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2023-11-12 00:12:21,714 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2023-11-12 00:12:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:12:21,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:12:21,716 INFO L130 BoogieDeclarations]: Found specification of procedure via_remove_one [2023-11-12 00:12:21,716 INFO L138 BoogieDeclarations]: Found implementation of procedure via_remove_one [2023-11-12 00:12:21,717 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2023-11-12 00:12:21,717 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2023-11-12 00:12:21,717 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2023-11-12 00:12:21,718 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2023-11-12 00:12:21,718 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 00:12:21,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:12:21,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:12:21,718 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2023-11-12 00:12:21,718 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2023-11-12 00:12:21,719 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2023-11-12 00:12:21,719 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2023-11-12 00:12:21,719 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-12 00:12:21,719 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-12 00:12:21,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:12:21,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:12:21,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:12:21,720 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2023-11-12 00:12:21,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2023-11-12 00:12:21,720 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2023-11-12 00:12:21,720 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2023-11-12 00:12:21,720 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-12 00:12:21,720 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-12 00:12:21,720 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2023-11-12 00:12:21,721 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2023-11-12 00:12:21,721 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:12:21,721 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:12:21,721 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2023-11-12 00:12:21,721 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2023-11-12 00:12:21,722 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2023-11-12 00:12:21,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2023-11-12 00:12:21,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:12:21,723 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2023-11-12 00:12:21,723 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2023-11-12 00:12:21,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_via_ircc_cb [2023-11-12 00:12:21,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_via_ircc_cb [2023-11-12 00:12:21,724 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2023-11-12 00:12:21,724 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2023-11-12 00:12:21,724 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:12:21,724 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:12:21,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:12:21,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:12:21,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:12:21,725 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2023-11-12 00:12:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2023-11-12 00:12:21,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:12:21,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:12:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:12:21,726 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2023-11-12 00:12:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2023-11-12 00:12:21,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:12:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:12:21,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:12:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:12:21,727 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2023-11-12 00:12:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2023-11-12 00:12:21,728 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2023-11-12 00:12:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2023-11-12 00:12:21,728 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2023-11-12 00:12:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2023-11-12 00:12:21,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:12:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:12:21,729 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2023-11-12 00:12:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2023-11-12 00:12:21,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:12:21,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:12:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:12:21,730 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2023-11-12 00:12:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2023-11-12 00:12:21,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:12:21,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:12:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:12:21,730 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:12:21,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:12:21,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:12:21,731 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:12:21,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:12:21,731 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:12:21,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:12:21,732 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2023-11-12 00:12:21,732 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2023-11-12 00:12:21,732 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 00:12:21,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 00:12:21,733 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:12:21,733 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:12:21,733 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2023-11-12 00:12:21,733 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2023-11-12 00:12:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2023-11-12 00:12:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2023-11-12 00:12:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 00:12:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 00:12:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 00:12:21,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 00:12:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2023-11-12 00:12:21,735 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2023-11-12 00:12:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:12:21,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:12:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2023-11-12 00:12:21,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2023-11-12 00:12:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:12:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:12:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:12:21,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:12:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2023-11-12 00:12:21,736 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2023-11-12 00:12:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:12:21,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:12:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-12 00:12:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-12 00:12:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2023-11-12 00:12:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2023-11-12 00:12:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2023-11-12 00:12:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2023-11-12 00:12:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 00:12:21,739 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 00:12:21,740 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2023-11-12 00:12:21,741 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2023-11-12 00:12:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2023-11-12 00:12:21,744 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2023-11-12 00:12:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 00:12:21,744 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 00:12:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:12:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:12:21,746 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2023-11-12 00:12:21,746 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2023-11-12 00:12:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:12:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:12:21,752 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:12:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 00:12:21,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 00:12:21,753 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-12 00:12:21,753 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-12 00:12:21,753 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:12:21,753 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:12:21,753 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-12 00:12:21,753 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-12 00:12:21,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:12:21,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:12:21,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 00:12:21,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 00:12:21,754 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2023-11-12 00:12:21,754 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2023-11-12 00:12:21,754 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-12 00:12:21,754 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-12 00:12:21,754 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-12 00:12:21,754 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-12 00:12:21,754 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 00:12:21,754 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 00:12:21,755 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 00:12:21,755 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 00:12:21,755 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-12 00:12:21,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-12 00:12:21,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:12:21,755 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-12 00:12:21,755 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-12 00:12:21,755 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2023-11-12 00:12:21,755 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2023-11-12 00:12:21,755 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-12 00:12:21,756 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-12 00:12:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:12:21,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:12:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2023-11-12 00:12:21,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2023-11-12 00:12:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2023-11-12 00:12:21,756 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2023-11-12 00:12:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2023-11-12 00:12:21,756 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2023-11-12 00:12:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:12:21,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:12:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2023-11-12 00:12:21,757 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2023-11-12 00:12:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2023-11-12 00:12:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2023-11-12 00:12:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2023-11-12 00:12:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2023-11-12 00:12:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-12 00:12:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-12 00:12:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:12:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-11-12 00:12:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-11-12 00:12:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:12:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:12:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2023-11-12 00:12:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2023-11-12 00:12:22,556 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:12:22,561 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:12:22,927 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:12:27,844 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:12:29,418 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:12:31,892 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:12:31,893 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:12:31,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:12:31 BoogieIcfgContainer [2023-11-12 00:12:31,899 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:12:31,904 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:12:31,904 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:12:31,908 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:12:31,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:12:16" (1/3) ... [2023-11-12 00:12:31,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13d079a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:12:31, skipping insertion in model container [2023-11-12 00:12:31,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:20" (2/3) ... [2023-11-12 00:12:31,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13d079a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:12:31, skipping insertion in model container [2023-11-12 00:12:31,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:12:31" (3/3) ... [2023-11-12 00:12:31,912 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i [2023-11-12 00:12:31,932 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:12:31,932 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-12 00:12:32,044 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:12:32,052 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;@73db1931, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:12:32,052 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-12 00:12:32,067 INFO L276 IsEmpty]: Start isEmpty. Operand has 1736 states, 935 states have (on average 1.2524064171122995) internal successors, (1171), 960 states have internal predecessors, (1171), 706 states have call successors, (706), 93 states have call predecessors, (706), 92 states have return successors, (702), 691 states have call predecessors, (702), 702 states have call successors, (702) [2023-11-12 00:12:32,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-12 00:12:32,085 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:12:32,086 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 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 00:12:32,086 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 00:12:32,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:12:32,093 INFO L85 PathProgramCache]: Analyzing trace with hash 877592202, now seen corresponding path program 1 times [2023-11-12 00:12:32,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:12:32,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138167023] [2023-11-12 00:12:32,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:12:32,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:12:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:12:33,053 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-12 00:12:33,053 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:12:33,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138167023] [2023-11-12 00:12:33,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138167023] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:12:33,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:12:33,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:12:33,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354390092] [2023-11-12 00:12:33,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:12:33,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:12:33,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:12:33,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:12:33,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:12:33,102 INFO L87 Difference]: Start difference. First operand has 1736 states, 935 states have (on average 1.2524064171122995) internal successors, (1171), 960 states have internal predecessors, (1171), 706 states have call successors, (706), 93 states have call predecessors, (706), 92 states have return successors, (702), 691 states have call predecessors, (702), 702 states have call successors, (702) Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-12 00:12:37,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:12:37,649 INFO L93 Difference]: Finished difference Result 5116 states and 7636 transitions. [2023-11-12 00:12:37,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:12:37,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 67 [2023-11-12 00:12:37,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:12:37,720 INFO L225 Difference]: With dead ends: 5116 [2023-11-12 00:12:37,721 INFO L226 Difference]: Without dead ends: 3382 [2023-11-12 00:12:37,747 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 00:12:37,751 INFO L413 NwaCegarLoop]: 2363 mSDtfsCounter, 2492 mSDsluCounter, 2312 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2492 SdHoareTripleChecker+Valid, 4675 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:12:37,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2492 Valid, 4675 Invalid, 458 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-12 00:12:37,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3382 states. [2023-11-12 00:12:38,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3382 to 3378. [2023-11-12 00:12:38,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3378 states, 1825 states have (on average 1.2476712328767123) internal successors, (2277), 1873 states have internal predecessors, (2277), 1369 states have call successors, (1369), 182 states have call predecessors, (1369), 181 states have return successors, (1366), 1344 states have call predecessors, (1366), 1366 states have call successors, (1366) [2023-11-12 00:12:38,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3378 states to 3378 states and 5012 transitions. [2023-11-12 00:12:38,326 INFO L78 Accepts]: Start accepts. Automaton has 3378 states and 5012 transitions. Word has length 67 [2023-11-12 00:12:38,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:12:38,327 INFO L495 AbstractCegarLoop]: Abstraction has 3378 states and 5012 transitions. [2023-11-12 00:12:38,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-12 00:12:38,328 INFO L276 IsEmpty]: Start isEmpty. Operand 3378 states and 5012 transitions. [2023-11-12 00:12:38,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-12 00:12:38,332 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:12:38,333 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:12:38,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:12:38,333 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 00:12:38,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:12:38,334 INFO L85 PathProgramCache]: Analyzing trace with hash 67150544, now seen corresponding path program 1 times [2023-11-12 00:12:38,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:12:38,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101678109] [2023-11-12 00:12:38,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:12:38,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:12:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:12:38,595 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-12 00:12:38,595 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:12:38,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101678109] [2023-11-12 00:12:38,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101678109] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:12:38,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:12:38,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:12:38,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545781775] [2023-11-12 00:12:38,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:12:38,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:12:38,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:12:38,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:12:38,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:12:38,599 INFO L87 Difference]: Start difference. First operand 3378 states and 5012 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-12 00:12:41,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:12:43,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:12:43,615 INFO L93 Difference]: Finished difference Result 9376 states and 13940 transitions. [2023-11-12 00:12:43,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:12:43,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 69 [2023-11-12 00:12:43,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:12:43,682 INFO L225 Difference]: With dead ends: 9376 [2023-11-12 00:12:43,682 INFO L226 Difference]: Without dead ends: 6009 [2023-11-12 00:12:43,712 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 00:12:43,713 INFO L413 NwaCegarLoop]: 2421 mSDtfsCounter, 2014 mSDsluCounter, 2311 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2014 SdHoareTripleChecker+Valid, 4732 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-12 00:12:43,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2014 Valid, 4732 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-11-12 00:12:43,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6009 states. [2023-11-12 00:12:44,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6009 to 5978. [2023-11-12 00:12:44,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5978 states, 3205 states have (on average 1.2443057722308892) internal successors, (3988), 3299 states have internal predecessors, (3988), 2439 states have call successors, (2439), 334 states have call predecessors, (2439), 331 states have return successors, (2470), 2384 states have call predecessors, (2470), 2436 states have call successors, (2470) [2023-11-12 00:12:44,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5978 states to 5978 states and 8897 transitions. [2023-11-12 00:12:44,419 INFO L78 Accepts]: Start accepts. Automaton has 5978 states and 8897 transitions. Word has length 69 [2023-11-12 00:12:44,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:12:44,420 INFO L495 AbstractCegarLoop]: Abstraction has 5978 states and 8897 transitions. [2023-11-12 00:12:44,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-12 00:12:44,421 INFO L276 IsEmpty]: Start isEmpty. Operand 5978 states and 8897 transitions. [2023-11-12 00:12:44,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-12 00:12:44,429 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:12:44,429 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:12:44,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:12:44,430 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 00:12:44,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:12:44,441 INFO L85 PathProgramCache]: Analyzing trace with hash 734842309, now seen corresponding path program 1 times [2023-11-12 00:12:44,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:12:44,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185395220] [2023-11-12 00:12:44,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:12:44,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:12:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:12:44,770 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-12 00:12:44,770 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:12:44,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185395220] [2023-11-12 00:12:44,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185395220] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:12:44,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:12:44,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:12:44,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705426548] [2023-11-12 00:12:44,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:12:44,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:12:44,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:12:44,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:12:44,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:12:44,777 INFO L87 Difference]: Start difference. First operand 5978 states and 8897 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-12 00:12:49,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:12:49,764 INFO L93 Difference]: Finished difference Result 17084 states and 25445 transitions. [2023-11-12 00:12:49,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:12:49,765 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 74 [2023-11-12 00:12:49,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:12:49,888 INFO L225 Difference]: With dead ends: 17084 [2023-11-12 00:12:49,888 INFO L226 Difference]: Without dead ends: 11117 [2023-11-12 00:12:50,032 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 00:12:50,034 INFO L413 NwaCegarLoop]: 2369 mSDtfsCounter, 2354 mSDsluCounter, 2288 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2354 SdHoareTripleChecker+Valid, 4657 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:12:50,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2354 Valid, 4657 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-12 00:12:50,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11117 states. [2023-11-12 00:12:51,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11117 to 11082. [2023-11-12 00:12:51,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11082 states, 5943 states have (on average 1.2417970721857647) internal successors, (7380), 6133 states have internal predecessors, (7380), 4519 states have call successors, (4519), 630 states have call predecessors, (4519), 617 states have return successors, (4600), 4390 states have call predecessors, (4600), 4516 states have call successors, (4600) [2023-11-12 00:12:51,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11082 states to 11082 states and 16499 transitions. [2023-11-12 00:12:51,492 INFO L78 Accepts]: Start accepts. Automaton has 11082 states and 16499 transitions. Word has length 74 [2023-11-12 00:12:51,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:12:51,493 INFO L495 AbstractCegarLoop]: Abstraction has 11082 states and 16499 transitions. [2023-11-12 00:12:51,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-12 00:12:51,494 INFO L276 IsEmpty]: Start isEmpty. Operand 11082 states and 16499 transitions. [2023-11-12 00:12:51,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-12 00:12:51,498 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:12:51,498 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:12:51,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 00:12:51,499 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 00:12:51,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:12:51,499 INFO L85 PathProgramCache]: Analyzing trace with hash -2072411972, now seen corresponding path program 1 times [2023-11-12 00:12:51,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:12:51,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000558519] [2023-11-12 00:12:51,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:12:51,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:12:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:12:52,031 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-12 00:12:52,032 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:12:52,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000558519] [2023-11-12 00:12:52,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000558519] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:12:52,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:12:52,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 00:12:52,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624365793] [2023-11-12 00:12:52,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:12:52,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:12:52,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:12:52,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:12:52,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:12:52,037 INFO L87 Difference]: Start difference. First operand 11082 states and 16499 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-12 00:12:55,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:12:56,630 WARN L539 Checker$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 00:12:59,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:12:59,950 INFO L93 Difference]: Finished difference Result 11088 states and 16504 transitions. [2023-11-12 00:12:59,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:12:59,951 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 109 [2023-11-12 00:12:59,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:13:00,093 INFO L225 Difference]: With dead ends: 11088 [2023-11-12 00:13:00,094 INFO L226 Difference]: Without dead ends: 11086 [2023-11-12 00:13:00,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:13:00,105 INFO L413 NwaCegarLoop]: 2332 mSDtfsCounter, 2519 mSDsluCounter, 4648 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2532 SdHoareTripleChecker+Valid, 6980 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:13:00,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2532 Valid, 6980 Invalid, 698 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 696 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2023-11-12 00:13:00,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11086 states. [2023-11-12 00:13:01,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11086 to 11086. [2023-11-12 00:13:01,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11086 states, 5946 states have (on average 1.2416750756811301) internal successors, (7383), 6136 states have internal predecessors, (7383), 4519 states have call successors, (4519), 631 states have call predecessors, (4519), 618 states have return successors, (4600), 4390 states have call predecessors, (4600), 4516 states have call successors, (4600) [2023-11-12 00:13:01,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11086 states to 11086 states and 16502 transitions. [2023-11-12 00:13:01,363 INFO L78 Accepts]: Start accepts. Automaton has 11086 states and 16502 transitions. Word has length 109 [2023-11-12 00:13:01,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:13:01,364 INFO L495 AbstractCegarLoop]: Abstraction has 11086 states and 16502 transitions. [2023-11-12 00:13:01,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-12 00:13:01,365 INFO L276 IsEmpty]: Start isEmpty. Operand 11086 states and 16502 transitions. [2023-11-12 00:13:01,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-12 00:13:01,374 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:13:01,374 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:13:01,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 00:13:01,375 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 00:13:01,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:13:01,375 INFO L85 PathProgramCache]: Analyzing trace with hash 312247904, now seen corresponding path program 1 times [2023-11-12 00:13:01,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:13:01,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286299229] [2023-11-12 00:13:01,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:13:01,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:13:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat