./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fda54a8-dc92-460f-a9a0-bf2b1797aeb9/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fda54a8-dc92-460f-a9a0-bf2b1797aeb9/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fda54a8-dc92-460f-a9a0-bf2b1797aeb9/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fda54a8-dc92-460f-a9a0-bf2b1797aeb9/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fda54a8-dc92-460f-a9a0-bf2b1797aeb9/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fda54a8-dc92-460f-a9a0-bf2b1797aeb9/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5a5abe7d84ebfba3a3d05a8884a5cfb8bfd1e0698553d38fcfc4a2d2724f4159 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:59:40,524 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:59:40,618 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fda54a8-dc92-460f-a9a0-bf2b1797aeb9/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:59:40,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:59:40,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:59:40,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:59:40,654 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:59:40,654 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:59:40,655 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:59:40,656 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:59:40,657 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:59:40,657 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:59:40,658 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:59:40,659 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:59:40,659 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:59:40,660 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:59:40,661 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:59:40,661 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:59:40,662 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:59:40,663 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:59:40,663 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:59:40,664 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:59:40,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:59:40,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:59:40,666 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:59:40,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:59:40,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:59:40,668 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:59:40,669 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:59:40,669 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:59:40,670 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:59:40,670 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:59:40,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:59:40,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:40,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:59:40,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:59:40,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:59:40,673 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:59:40,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:59:40,674 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:59:40,675 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:59:40,675 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:59:40,676 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_1fda54a8-dc92-460f-a9a0-bf2b1797aeb9/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fda54a8-dc92-460f-a9a0-bf2b1797aeb9/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a5abe7d84ebfba3a3d05a8884a5cfb8bfd1e0698553d38fcfc4a2d2724f4159 [2023-11-19 04:59:40,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:59:41,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:59:41,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:59:41,006 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:59:41,007 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:59:41,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fda54a8-dc92-460f-a9a0-bf2b1797aeb9/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2023-11-19 04:59:44,433 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:59:45,341 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:59:45,343 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fda54a8-dc92-460f-a9a0-bf2b1797aeb9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2023-11-19 04:59:45,431 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fda54a8-dc92-460f-a9a0-bf2b1797aeb9/bin/utaipan-verify-t7M7D8N6sZ/data/5d1383fcb/970a727d4c0b424da4983950547deb71/FLAGc4e4ab2f6 [2023-11-19 04:59:45,454 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fda54a8-dc92-460f-a9a0-bf2b1797aeb9/bin/utaipan-verify-t7M7D8N6sZ/data/5d1383fcb/970a727d4c0b424da4983950547deb71 [2023-11-19 04:59:45,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:59:45,470 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:59:45,474 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:45,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:59:45,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:59:45,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:45" (1/1) ... [2023-11-19 04:59:45,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b1f798f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:45, skipping insertion in model container [2023-11-19 04:59:45,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:45" (1/1) ... [2023-11-19 04:59:45,772 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:59:49,649 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_1fda54a8-dc92-460f-a9a0-bf2b1797aeb9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459471,459484] [2023-11-19 04:59:49,655 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_1fda54a8-dc92-460f-a9a0-bf2b1797aeb9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459640,459653] [2023-11-19 04:59:49,656 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_1fda54a8-dc92-460f-a9a0-bf2b1797aeb9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459807,459820] [2023-11-19 04:59:49,656 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_1fda54a8-dc92-460f-a9a0-bf2b1797aeb9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459975,459988] [2023-11-19 04:59:49,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:49,792 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:59:49,951 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)); [6518-6519] [2023-11-19 04:59:49,953 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"); [6524-6526] [2023-11-19 04:59:49,965 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)); [6758-6759] [2023-11-19 04:59:49,968 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)); [6792-6793] [2023-11-19 04:59:50,312 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_1fda54a8-dc92-460f-a9a0-bf2b1797aeb9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459471,459484] [2023-11-19 04:59:50,313 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_1fda54a8-dc92-460f-a9a0-bf2b1797aeb9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459640,459653] [2023-11-19 04:59:50,313 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_1fda54a8-dc92-460f-a9a0-bf2b1797aeb9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459807,459820] [2023-11-19 04:59:50,314 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_1fda54a8-dc92-460f-a9a0-bf2b1797aeb9/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459975,459988] [2023-11-19 04:59:50,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:50,605 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:59:50,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:50 WrapperNode [2023-11-19 04:59:50,606 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:50,607 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:50,607 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:59:50,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:59:50,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:50" (1/1) ... [2023-11-19 04:59:50,743 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:50" (1/1) ... [2023-11-19 04:59:51,016 INFO L138 Inliner]: procedures = 522, calls = 3840, calls flagged for inlining = 277, calls inlined = 261, statements flattened = 7475 [2023-11-19 04:59:51,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:51,017 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:59:51,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:59:51,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:59:51,027 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:50" (1/1) ... [2023-11-19 04:59:51,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:50" (1/1) ... [2023-11-19 04:59:51,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:50" (1/1) ... [2023-11-19 04:59:51,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:50" (1/1) ... [2023-11-19 04:59:51,387 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:50" (1/1) ... [2023-11-19 04:59:51,433 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:50" (1/1) ... [2023-11-19 04:59:51,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:50" (1/1) ... [2023-11-19 04:59:51,506 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:50" (1/1) ... [2023-11-19 04:59:51,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:59:51,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:59:51,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:59:51,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:59:51,574 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:50" (1/1) ... [2023-11-19 04:59:51,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:51,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fda54a8-dc92-460f-a9a0-bf2b1797aeb9/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:51,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fda54a8-dc92-460f-a9a0-bf2b1797aeb9/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:59:51,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fda54a8-dc92-460f-a9a0-bf2b1797aeb9/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:59:51,732 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2023-11-19 04:59:51,732 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2023-11-19 04:59:51,733 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2023-11-19 04:59:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2023-11-19 04:59:51,733 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2023-11-19 04:59:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2023-11-19 04:59:51,733 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2023-11-19 04:59:51,734 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2023-11-19 04:59:51,734 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 04:59:51,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 04:59:51,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:59:51,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:59:51,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:59:51,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:59:51,735 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2023-11-19 04:59:51,735 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2023-11-19 04:59:51,736 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2023-11-19 04:59:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2023-11-19 04:59:51,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 04:59:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 04:59:51,736 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 04:59:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 04:59:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 04:59:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 04:59:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 04:59:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 04:59:51,738 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2023-11-19 04:59:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2023-11-19 04:59:51,738 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2023-11-19 04:59:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2023-11-19 04:59:51,739 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2023-11-19 04:59:51,739 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2023-11-19 04:59:51,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 04:59:51,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 04:59:51,739 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2023-11-19 04:59:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2023-11-19 04:59:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2023-11-19 04:59:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2023-11-19 04:59:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2023-11-19 04:59:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2023-11-19 04:59:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 04:59:51,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 04:59:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 04:59:51,741 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 04:59:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2023-11-19 04:59:51,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2023-11-19 04:59:51,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:59:51,742 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2023-11-19 04:59:51,742 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2023-11-19 04:59:51,742 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2023-11-19 04:59:51,743 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2023-11-19 04:59:51,743 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2023-11-19 04:59:51,743 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2023-11-19 04:59:51,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:59:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2023-11-19 04:59:51,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2023-11-19 04:59:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_conf_erp [2023-11-19 04:59:51,744 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_conf_erp [2023-11-19 04:59:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 04:59:51,745 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 04:59:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 04:59:51,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 04:59:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2023-11-19 04:59:51,745 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2023-11-19 04:59:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:59:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 04:59:51,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 04:59:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2023-11-19 04:59:51,746 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2023-11-19 04:59:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:59:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 04:59:51,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 04:59:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2023-11-19 04:59:51,747 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2023-11-19 04:59:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:59:51,748 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:59:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 04:59:51,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 04:59:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 04:59:51,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 04:59:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 04:59:51,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 04:59:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-19 04:59:51,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-19 04:59:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2023-11-19 04:59:51,750 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2023-11-19 04:59:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2023-11-19 04:59:51,750 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2023-11-19 04:59:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 04:59:51,750 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 04:59:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 04:59:51,751 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 04:59:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2023-11-19 04:59:51,751 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2023-11-19 04:59:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2023-11-19 04:59:51,752 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2023-11-19 04:59:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2023-11-19 04:59:51,752 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2023-11-19 04:59:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 04:59:51,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 04:59:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2023-11-19 04:59:51,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2023-11-19 04:59:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:59:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 04:59:51,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 04:59:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 04:59:51,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 04:59:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:59:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-19 04:59:51,754 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-19 04:59:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2023-11-19 04:59:51,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2023-11-19 04:59:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2023-11-19 04:59:51,755 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2023-11-19 04:59:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 04:59:51,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 04:59:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 04:59:51,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 04:59:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:59:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:59:51,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:59:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:59:51,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:59:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2023-11-19 04:59:51,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2023-11-19 04:59:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2023-11-19 04:59:51,757 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2023-11-19 04:59:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2023-11-19 04:59:51,758 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2023-11-19 04:59:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 04:59:51,758 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 04:59:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2023-11-19 04:59:51,758 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2023-11-19 04:59:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2023-11-19 04:59:51,759 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2023-11-19 04:59:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rtl8180_priv [2023-11-19 04:59:51,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rtl8180_priv [2023-11-19 04:59:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2023-11-19 04:59:51,759 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2023-11-19 04:59:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2023-11-19 04:59:51,760 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2023-11-19 04:59:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-11-19 04:59:51,760 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-11-19 04:59:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:59:51,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:59:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 04:59:51,761 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 04:59:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2023-11-19 04:59:51,761 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2023-11-19 04:59:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:59:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:59:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:59:51,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:59:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2023-11-19 04:59:51,762 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2023-11-19 04:59:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 04:59:51,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 04:59:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2023-11-19 04:59:51,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2023-11-19 04:59:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2023-11-19 04:59:51,763 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2023-11-19 04:59:51,764 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2023-11-19 04:59:51,764 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2023-11-19 04:59:51,764 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2023-11-19 04:59:51,764 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2023-11-19 04:59:51,764 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-19 04:59:51,765 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-19 04:59:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 04:59:51,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 04:59:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 04:59:51,765 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 04:59:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2023-11-19 04:59:51,766 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2023-11-19 04:59:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:59:51,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:59:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-19 04:59:51,766 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-19 04:59:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2023-11-19 04:59:51,767 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2023-11-19 04:59:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:59:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2023-11-19 04:59:51,767 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2023-11-19 04:59:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:59:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:59:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:59:51,768 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:59:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-19 04:59:51,768 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-19 04:59:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 04:59:51,769 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 04:59:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 04:59:51,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 04:59:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2023-11-19 04:59:51,769 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2023-11-19 04:59:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2023-11-19 04:59:51,770 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2023-11-19 04:59:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2023-11-19 04:59:51,770 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2023-11-19 04:59:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_61 [2023-11-19 04:59:51,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_61 [2023-11-19 04:59:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2023-11-19 04:59:51,771 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2023-11-19 04:59:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2023-11-19 04:59:51,771 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2023-11-19 04:59:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2023-11-19 04:59:51,771 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2023-11-19 04:59:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:59:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2023-11-19 04:59:51,772 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2023-11-19 04:59:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-19 04:59:51,772 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-19 04:59:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:59:51,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:59:51,773 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2023-11-19 04:59:51,773 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2023-11-19 04:59:51,773 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2023-11-19 04:59:51,773 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2023-11-19 04:59:51,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2023-11-19 04:59:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2023-11-19 04:59:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-19 04:59:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-19 04:59:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-19 04:59:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-19 04:59:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 04:59:51,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 04:59:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2023-11-19 04:59:51,775 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2023-11-19 04:59:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 04:59:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 04:59:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2023-11-19 04:59:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2023-11-19 04:59:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2023-11-19 04:59:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2023-11-19 04:59:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-19 04:59:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:59:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 04:59:51,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 04:59:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2023-11-19 04:59:51,777 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2023-11-19 04:59:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 04:59:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 04:59:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2023-11-19 04:59:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2023-11-19 04:59:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2023-11-19 04:59:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2023-11-19 04:59:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2023-11-19 04:59:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2023-11-19 04:59:52,849 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:59:52,856 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:59:53,277 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:00:04,177 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 05:00:04,427 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:00:10,208 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:00:10,209 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 05:00:10,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:00:10 BoogieIcfgContainer [2023-11-19 05:00:10,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:00:10,235 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:00:10,235 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:00:10,238 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:00:10,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:59:45" (1/3) ... [2023-11-19 05:00:10,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b56907b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:00:10, skipping insertion in model container [2023-11-19 05:00:10,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:50" (2/3) ... [2023-11-19 05:00:10,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b56907b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:00:10, skipping insertion in model container [2023-11-19 05:00:10,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:00:10" (3/3) ... [2023-11-19 05:00:10,243 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2023-11-19 05:00:10,265 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:00:10,265 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-19 05:00:10,391 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:00:10,403 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;@1ea410e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:00:10,403 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-19 05:00:10,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 2550 states, 1206 states have (on average 1.252072968490879) internal successors, (1510), 1244 states have internal predecessors, (1510), 1227 states have call successors, (1227), 115 states have call predecessors, (1227), 114 states have return successors, (1219), 1202 states have call predecessors, (1219), 1219 states have call successors, (1219) [2023-11-19 05:00:10,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2023-11-19 05:00:10,457 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:00:10,458 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] [2023-11-19 05:00:10,459 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)] === [2023-11-19 05:00:10,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:00:10,465 INFO L85 PathProgramCache]: Analyzing trace with hash -344203108, now seen corresponding path program 1 times [2023-11-19 05:00:10,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:00:10,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113416779] [2023-11-19 05:00:10,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:00:10,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:00:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:00:12,271 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5112 trivial. 0 not checked. [2023-11-19 05:00:12,272 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:00:12,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113416779] [2023-11-19 05:00:12,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113416779] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:00:12,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:00:12,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:00:12,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719350943] [2023-11-19 05:00:12,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:00:12,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:00:12,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:00:12,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:00:12,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:00:12,341 INFO L87 Difference]: Start difference. First operand has 2550 states, 1206 states have (on average 1.252072968490879) internal successors, (1510), 1244 states have internal predecessors, (1510), 1227 states have call successors, (1227), 115 states have call predecessors, (1227), 114 states have return successors, (1219), 1202 states have call predecessors, (1219), 1219 states have call successors, (1219) Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2023-11-19 05:00:13,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:00:16,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:00:19,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 05:00:22,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 05:00:24,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 05:00:25,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:00:25,271 INFO L93 Difference]: Finished difference Result 7430 states and 11616 transitions. [2023-11-19 05:00:25,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:00:25,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 381 [2023-11-19 05:00:25,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:00:25,353 INFO L225 Difference]: With dead ends: 7430 [2023-11-19 05:00:25,353 INFO L226 Difference]: Without dead ends: 4939 [2023-11-19 05:00:25,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:00:25,394 INFO L413 NwaCegarLoop]: 3543 mSDtfsCounter, 3758 mSDsluCounter, 3499 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3758 SdHoareTripleChecker+Valid, 7042 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:00:25,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3758 Valid, 7042 Invalid, 858 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 850 Invalid, 1 Unknown, 0 Unchecked, 12.3s Time] [2023-11-19 05:00:25,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4939 states. [2023-11-19 05:00:26,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4939 to 4935. [2023-11-19 05:00:26,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4935 states, 2338 states have (on average 1.248502994011976) internal successors, (2919), 2409 states have internal predecessors, (2919), 2370 states have call successors, (2370), 225 states have call predecessors, (2370), 224 states have return successors, (2366), 2332 states have call predecessors, (2366), 2366 states have call successors, (2366) [2023-11-19 05:00:26,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4935 states to 4935 states and 7655 transitions. [2023-11-19 05:00:26,358 INFO L78 Accepts]: Start accepts. Automaton has 4935 states and 7655 transitions. Word has length 381 [2023-11-19 05:00:26,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:00:26,365 INFO L495 AbstractCegarLoop]: Abstraction has 4935 states and 7655 transitions. [2023-11-19 05:00:26,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2023-11-19 05:00:26,365 INFO L276 IsEmpty]: Start isEmpty. Operand 4935 states and 7655 transitions. [2023-11-19 05:00:26,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2023-11-19 05:00:26,385 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:00:26,386 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] [2023-11-19 05:00:26,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:00:26,387 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)] === [2023-11-19 05:00:26,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:00:26,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1245961452, now seen corresponding path program 1 times [2023-11-19 05:00:26,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:00:26,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322259878] [2023-11-19 05:00:26,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:00:26,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:00:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:00:27,208 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5112 trivial. 0 not checked. [2023-11-19 05:00:27,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:00:27,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322259878] [2023-11-19 05:00:27,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322259878] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:00:27,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:00:27,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:00:27,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173887728] [2023-11-19 05:00:27,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:00:27,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:00:27,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:00:27,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:00:27,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:00:27,214 INFO L87 Difference]: Start difference. First operand 4935 states and 7655 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39)