./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_7ca290ae-9336-41ea-9ac4-7ce7da39c61b/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca290ae-9336-41ea-9ac4-7ce7da39c61b/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca290ae-9336-41ea-9ac4-7ce7da39c61b/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca290ae-9336-41ea-9ac4-7ce7da39c61b/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca290ae-9336-41ea-9ac4-7ce7da39c61b/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca290ae-9336-41ea-9ac4-7ce7da39c61b/bin/utaipan-verify-SwPr7d2a91 --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 8e81fc6166b432b951460f7a3a0e3bbe6d1e1e00a7297f549296af2cd8a39c75 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:03:51,796 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:03:51,931 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca290ae-9336-41ea-9ac4-7ce7da39c61b/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-25 00:03:51,949 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:03:51,950 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:03:51,999 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:03:52,000 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:03:52,002 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:03:52,003 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:03:52,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:03:52,013 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:03:52,015 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:03:52,016 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:03:52,018 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:03:52,019 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:03:52,019 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:03:52,020 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:03:52,020 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:03:52,021 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:03:52,022 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:03:52,022 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:03:52,023 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:03:52,024 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:03:52,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:03:52,025 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:03:52,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:03:52,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:03:52,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:03:52,027 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:03:52,028 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:03:52,030 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:03:52,030 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:03:52,030 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:03:52,031 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:03:52,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:03:52,031 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:03:52,032 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:03:52,032 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:03:52,032 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:03:52,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:03:52,033 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:03:52,033 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:03:52,033 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:03:52,034 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:03:52,034 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_7ca290ae-9336-41ea-9ac4-7ce7da39c61b/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca290ae-9336-41ea-9ac4-7ce7da39c61b/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e81fc6166b432b951460f7a3a0e3bbe6d1e1e00a7297f549296af2cd8a39c75 [2023-11-25 00:03:52,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:03:52,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:03:52,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:03:52,467 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:03:52,468 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:03:52,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca290ae-9336-41ea-9ac4-7ce7da39c61b/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2023-11-25 00:03:55,975 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:03:56,921 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:03:56,922 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca290ae-9336-41ea-9ac4-7ce7da39c61b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2023-11-25 00:03:57,002 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca290ae-9336-41ea-9ac4-7ce7da39c61b/bin/utaipan-verify-SwPr7d2a91/data/b9b82164f/6af455bd40de43029931e9645309c9a7/FLAG9c8459baa [2023-11-25 00:03:57,024 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca290ae-9336-41ea-9ac4-7ce7da39c61b/bin/utaipan-verify-SwPr7d2a91/data/b9b82164f/6af455bd40de43029931e9645309c9a7 [2023-11-25 00:03:57,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:03:57,037 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:03:57,039 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:03:57,039 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:03:57,046 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:03:57,047 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:03:57" (1/1) ... [2023-11-25 00:03:57,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2111d8f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:57, skipping insertion in model container [2023-11-25 00:03:57,049 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:03:57" (1/1) ... [2023-11-25 00:03:57,305 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:04:01,726 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_7ca290ae-9336-41ea-9ac4-7ce7da39c61b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395259,395272] [2023-11-25 00:04:01,731 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_7ca290ae-9336-41ea-9ac4-7ce7da39c61b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395404,395417] [2023-11-25 00:04:01,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:04:01,832 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:04:02,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5401] [2023-11-25 00:04:02,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5409] [2023-11-25 00:04:02,805 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"); [7357] [2023-11-25 00:04:02,805 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)); [7364] [2023-11-25 00:04:02,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7371] [2023-11-25 00:04:02,807 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [7384] [2023-11-25 00:04:03,257 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_7ca290ae-9336-41ea-9ac4-7ce7da39c61b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395259,395272] [2023-11-25 00:04:03,258 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_7ca290ae-9336-41ea-9ac4-7ce7da39c61b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395404,395417] [2023-11-25 00:04:03,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:04:03,686 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:04:03,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:03 WrapperNode [2023-11-25 00:04:03,688 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:04:03,690 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:04:03,690 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:04:03,690 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:04:03,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:03" (1/1) ... [2023-11-25 00:04:03,866 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:03" (1/1) ... [2023-11-25 00:04:04,086 INFO L138 Inliner]: procedures = 493, calls = 2751, calls flagged for inlining = 240, calls inlined = 225, statements flattened = 5800 [2023-11-25 00:04:04,087 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:04:04,088 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:04:04,088 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:04:04,088 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:04:04,100 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:03" (1/1) ... [2023-11-25 00:04:04,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:03" (1/1) ... [2023-11-25 00:04:04,161 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:03" (1/1) ... [2023-11-25 00:04:04,161 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:03" (1/1) ... [2023-11-25 00:04:04,401 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:03" (1/1) ... [2023-11-25 00:04:04,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:03" (1/1) ... [2023-11-25 00:04:04,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:03" (1/1) ... [2023-11-25 00:04:04,548 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:03" (1/1) ... [2023-11-25 00:04:04,617 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:04:04,618 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:04:04,619 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:04:04,621 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:04:04,622 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:03" (1/1) ... [2023-11-25 00:04:04,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:04:04,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca290ae-9336-41ea-9ac4-7ce7da39c61b/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:04:04,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca290ae-9336-41ea-9ac4-7ce7da39c61b/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:04:04,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca290ae-9336-41ea-9ac4-7ce7da39c61b/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:04:04,712 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2023-11-25 00:04:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2023-11-25 00:04:04,712 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-25 00:04:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-25 00:04:04,713 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_crc_length [2023-11-25 00:04:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_crc_length [2023-11-25 00:04:04,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-25 00:04:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-25 00:04:04,713 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2023-11-25 00:04:04,714 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2023-11-25 00:04:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2023-11-25 00:04:04,715 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2023-11-25 00:04:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-25 00:04:04,716 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-25 00:04:04,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2023-11-25 00:04:04,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2023-11-25 00:04:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-25 00:04:04,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-25 00:04:04,823 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_default [2023-11-25 00:04:04,824 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_default [2023-11-25 00:04:04,824 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2023-11-25 00:04:04,824 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2023-11-25 00:04:04,824 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_status [2023-11-25 00:04:04,824 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_status [2023-11-25 00:04:04,824 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2023-11-25 00:04:04,825 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2023-11-25 00:04:04,825 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set_1 [2023-11-25 00:04:04,825 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set_1 [2023-11-25 00:04:04,825 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-25 00:04:04,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-25 00:04:04,825 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2023-11-25 00:04:04,826 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2023-11-25 00:04:04,826 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_watchdog [2023-11-25 00:04:04,826 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_watchdog [2023-11-25 00:04:04,826 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2023-11-25 00:04:04,826 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2023-11-25 00:04:04,826 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2023-11-25 00:04:04,826 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2023-11-25 00:04:04,827 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2023-11-25 00:04:04,827 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2023-11-25 00:04:04,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-25 00:04:04,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-25 00:04:04,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-25 00:04:04,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-25 00:04:04,828 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2023-11-25 00:04:04,828 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2023-11-25 00:04:04,828 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_get_link_status [2023-11-25 00:04:04,828 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_get_link_status [2023-11-25 00:04:04,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:04:04,829 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-25 00:04:04,829 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-25 00:04:04,830 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-25 00:04:04,830 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-25 00:04:04,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-25 00:04:04,831 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-25 00:04:04,832 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-25 00:04:04,832 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_default [2023-11-25 00:04:04,832 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_default [2023-11-25 00:04:04,832 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_clock [2023-11-25 00:04:04,833 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_clock [2023-11-25 00:04:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-25 00:04:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-25 00:04:04,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-25 00:04:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2023-11-25 00:04:04,834 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2023-11-25 00:04:04,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:04:04,835 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2023-11-25 00:04:04,835 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2023-11-25 00:04:04,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-25 00:04:04,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-25 00:04:04,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-25 00:04:04,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-25 00:04:04,836 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_default [2023-11-25 00:04:04,836 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_default [2023-11-25 00:04:04,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-25 00:04:04,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-25 00:04:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-25 00:04:04,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-25 00:04:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-25 00:04:04,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-25 00:04:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2023-11-25 00:04:04,838 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2023-11-25 00:04:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2023-11-25 00:04:04,838 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2023-11-25 00:04:04,839 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-25 00:04:04,839 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-25 00:04:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-25 00:04:04,840 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-25 00:04:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_crc_length [2023-11-25 00:04:04,840 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_crc_length [2023-11-25 00:04:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2023-11-25 00:04:04,841 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2023-11-25 00:04:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2023-11-25 00:04:04,841 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2023-11-25 00:04:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2023-11-25 00:04:04,841 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2023-11-25 00:04:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:04:04,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-25 00:04:04,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-25 00:04:04,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-25 00:04:04,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-25 00:04:04,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:04:04,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-25 00:04:04,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-25 00:04:04,843 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-25 00:04:04,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-25 00:04:04,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2023-11-25 00:04:04,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2023-11-25 00:04:04,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:04:04,844 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2023-11-25 00:04:04,846 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2023-11-25 00:04:04,846 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:04:04,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:04:04,846 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-25 00:04:04,846 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-25 00:04:04,847 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-25 00:04:04,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-25 00:04:04,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-25 00:04:04,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-25 00:04:04,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-25 00:04:04,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-25 00:04:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_init [2023-11-25 00:04:04,849 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_init [2023-11-25 00:04:04,849 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-25 00:04:04,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-25 00:04:04,849 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2023-11-25 00:04:04,849 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2023-11-25 00:04:04,849 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-25 00:04:04,850 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-25 00:04:04,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-25 00:04:04,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-25 00:04:04,850 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_watchdog [2023-11-25 00:04:04,851 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_watchdog [2023-11-25 00:04:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_status [2023-11-25 00:04:04,851 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_status [2023-11-25 00:04:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2023-11-25 00:04:04,851 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2023-11-25 00:04:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_clock [2023-11-25 00:04:04,852 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_clock [2023-11-25 00:04:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-11-25 00:04:04,857 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-11-25 00:04:04,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:04:04,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:04:04,859 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2023-11-25 00:04:04,859 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2023-11-25 00:04:04,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-25 00:04:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-25 00:04:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-25 00:04:04,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-25 00:04:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2023-11-25 00:04:04,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2023-11-25 00:04:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-25 00:04:04,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-25 00:04:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_get_link_status [2023-11-25 00:04:04,866 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_get_link_status [2023-11-25 00:04:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2023-11-25 00:04:04,866 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2023-11-25 00:04:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_status [2023-11-25 00:04:04,867 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_status [2023-11-25 00:04:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-25 00:04:04,867 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-25 00:04:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_get_link_status [2023-11-25 00:04:04,867 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_get_link_status [2023-11-25 00:04:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_init [2023-11-25 00:04:04,867 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_init [2023-11-25 00:04:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-25 00:04:04,868 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-25 00:04:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2023-11-25 00:04:04,868 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2023-11-25 00:04:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_init [2023-11-25 00:04:04,868 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_init [2023-11-25 00:04:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2023-11-25 00:04:04,868 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2023-11-25 00:04:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-25 00:04:04,869 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-25 00:04:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:04:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2023-11-25 00:04:04,869 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2023-11-25 00:04:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2023-11-25 00:04:04,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2023-11-25 00:04:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:04:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-25 00:04:04,870 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-25 00:04:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2023-11-25 00:04:04,870 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2023-11-25 00:04:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:04:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-25 00:04:04,871 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-25 00:04:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_speed [2023-11-25 00:04:04,871 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_speed [2023-11-25 00:04:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-25 00:04:04,871 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-25 00:04:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_crc_length [2023-11-25 00:04:04,871 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_crc_length [2023-11-25 00:04:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-25 00:04:04,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-25 00:04:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2023-11-25 00:04:04,872 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2023-11-25 00:04:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2023-11-25 00:04:04,872 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2023-11-25 00:04:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-25 00:04:04,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-25 00:04:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-25 00:04:04,873 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-25 00:04:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2023-11-25 00:04:04,873 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2023-11-25 00:04:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2023-11-25 00:04:04,873 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2023-11-25 00:04:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-25 00:04:04,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-25 00:04:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-25 00:04:04,874 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-25 00:04:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-25 00:04:04,874 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-25 00:04:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_link_status [2023-11-25 00:04:04,874 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_link_status [2023-11-25 00:04:04,875 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_watchdog [2023-11-25 00:04:04,875 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_watchdog [2023-11-25 00:04:04,875 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-25 00:04:04,878 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-25 00:04:04,878 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_watchdog [2023-11-25 00:04:04,878 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_watchdog [2023-11-25 00:04:04,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:04:04,878 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-25 00:04:04,878 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-25 00:04:04,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-25 00:04:04,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-25 00:04:04,879 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_link_status [2023-11-25 00:04:04,879 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_link_status [2023-11-25 00:04:04,879 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_init [2023-11-25 00:04:04,879 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_init [2023-11-25 00:04:04,879 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2023-11-25 00:04:04,879 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2023-11-25 00:04:04,880 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_default [2023-11-25 00:04:04,880 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_default [2023-11-25 00:04:04,880 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-25 00:04:04,880 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-25 00:04:04,880 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_crc_length [2023-11-25 00:04:04,880 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_crc_length [2023-11-25 00:04:04,880 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_clock [2023-11-25 00:04:04,880 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_clock [2023-11-25 00:04:04,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-25 00:04:04,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-25 00:04:04,881 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set2_1 [2023-11-25 00:04:04,881 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set2_1 [2023-11-25 00:04:04,881 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2023-11-25 00:04:04,881 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2023-11-25 00:04:04,881 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-25 00:04:04,881 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-25 00:04:04,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:04:04,882 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-25 00:04:04,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-25 00:04:04,882 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-11-25 00:04:04,882 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-11-25 00:04:04,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-25 00:04:04,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-25 00:04:04,883 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2023-11-25 00:04:04,883 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2023-11-25 00:04:06,181 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:04:06,186 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:04:06,749 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-25 00:04:09,538 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call #t~mem1502#1.base, #t~mem1502#1.offset := read~$Pointer$(~sc#1.base, 141 + ~sc#1.offset, 8);#t~nondet1503#1.base, #t~nondet1503#1.offset := 129, 0; [2023-11-25 00:04:09,538 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L12895: SUMMARY for call lmc_trace(#t~mem1502#1.base, #t~mem1502#1.offset, #t~nondet1503#1.base, #t~nondet1503#1.offset); srcloc: null [2023-11-25 00:04:09,539 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L12895-1: havoc #t~mem1502#1.base, #t~mem1502#1.offset;havoc #t~nondet1503#1.base, #t~nondet1503#1.offset; [2023-11-25 00:04:16,763 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-25 00:04:17,003 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:04:21,759 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:04:21,764 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-25 00:04:21,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:04:21 BoogieIcfgContainer [2023-11-25 00:04:21,769 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:04:21,775 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:04:21,775 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:04:21,779 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:04:21,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:03:57" (1/3) ... [2023-11-25 00:04:21,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6849848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:04:21, skipping insertion in model container [2023-11-25 00:04:21,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:03" (2/3) ... [2023-11-25 00:04:21,782 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6849848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:04:21, skipping insertion in model container [2023-11-25 00:04:21,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:04:21" (3/3) ... [2023-11-25 00:04:21,786 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2023-11-25 00:04:21,812 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:04:21,813 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:04:21,957 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:04:21,967 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;@1eba60f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:04:21,968 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:04:21,987 INFO L276 IsEmpty]: Start isEmpty. Operand has 2230 states, 1270 states have (on average 1.3062992125984252) internal successors, (1659), 1338 states have internal predecessors, (1659), 839 states have call successors, (839), 121 states have call predecessors, (839), 120 states have return successors, (832), 790 states have call predecessors, (832), 832 states have call successors, (832) [2023-11-25 00:04:22,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-25 00:04:22,075 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:04:22,076 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:04:22,077 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:04:22,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:04:22,090 INFO L85 PathProgramCache]: Analyzing trace with hash 864856788, now seen corresponding path program 1 times [2023-11-25 00:04:22,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:04:22,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106724746] [2023-11-25 00:04:22,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:22,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:04:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:04:23,682 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2023-11-25 00:04:23,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:04:23,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106724746] [2023-11-25 00:04:23,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106724746] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:04:23,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:04:23,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:04:23,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553851225] [2023-11-25 00:04:23,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:04:23,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:04:23,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:04:23,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:04:23,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:04:23,761 INFO L87 Difference]: Start difference. First operand has 2230 states, 1270 states have (on average 1.3062992125984252) internal successors, (1659), 1338 states have internal predecessors, (1659), 839 states have call successors, (839), 121 states have call predecessors, (839), 120 states have return successors, (832), 790 states have call predecessors, (832), 832 states have call successors, (832) Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-25 00:04:28,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:04:28,053 INFO L93 Difference]: Finished difference Result 6416 states and 9646 transitions. [2023-11-25 00:04:28,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:04:28,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 189 [2023-11-25 00:04:28,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:04:28,158 INFO L225 Difference]: With dead ends: 6416 [2023-11-25 00:04:28,158 INFO L226 Difference]: Without dead ends: 4131 [2023-11-25 00:04:28,200 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 [2023-11-25 00:04:28,205 INFO L413 NwaCegarLoop]: 3010 mSDtfsCounter, 2961 mSDsluCounter, 2851 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2961 SdHoareTripleChecker+Valid, 5861 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-25 00:04:28,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2961 Valid, 5861 Invalid, 936 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-25 00:04:28,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4131 states. [2023-11-25 00:04:28,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4131 to 4128. [2023-11-25 00:04:28,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4128 states, 2372 states have (on average 1.3056492411467115) internal successors, (3097), 2503 states have internal predecessors, (3097), 1526 states have call successors, (1526), 229 states have call predecessors, (1526), 229 states have return successors, (1526), 1442 states have call predecessors, (1526), 1526 states have call successors, (1526) [2023-11-25 00:04:28,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4128 states to 4128 states and 6149 transitions. [2023-11-25 00:04:28,798 INFO L78 Accepts]: Start accepts. Automaton has 4128 states and 6149 transitions. Word has length 189 [2023-11-25 00:04:28,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:04:28,803 INFO L495 AbstractCegarLoop]: Abstraction has 4128 states and 6149 transitions. [2023-11-25 00:04:28,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-25 00:04:28,804 INFO L276 IsEmpty]: Start isEmpty. Operand 4128 states and 6149 transitions. [2023-11-25 00:04:28,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-25 00:04:28,844 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:04:28,845 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:04:28,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:04:28,846 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:04:28,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:04:28,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1603977650, now seen corresponding path program 1 times [2023-11-25 00:04:28,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:04:28,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238204623] [2023-11-25 00:04:28,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:28,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:04:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:04:29,492 INFO L134 CoverageAnalysis]: Checked inductivity of 876 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2023-11-25 00:04:29,492 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:04:29,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238204623] [2023-11-25 00:04:29,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238204623] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:04:29,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:04:29,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:04:29,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201076919] [2023-11-25 00:04:29,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:04:29,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:04:29,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:04:29,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:04:29,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:04:29,498 INFO L87 Difference]: Start difference. First operand 4128 states and 6149 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2023-11-25 00:04:33,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:04:33,672 INFO L93 Difference]: Finished difference Result 11616 states and 17278 transitions. [2023-11-25 00:04:33,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:04:33,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 241 [2023-11-25 00:04:33,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:04:33,771 INFO L225 Difference]: With dead ends: 11616 [2023-11-25 00:04:33,772 INFO L226 Difference]: Without dead ends: 7519 [2023-11-25 00:04:33,817 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 [2023-11-25 00:04:33,819 INFO L413 NwaCegarLoop]: 2864 mSDtfsCounter, 2664 mSDsluCounter, 2792 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2664 SdHoareTripleChecker+Valid, 5656 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-25 00:04:33,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2664 Valid, 5656 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-25 00:04:33,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7519 states. [2023-11-25 00:04:34,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7519 to 7510. [2023-11-25 00:04:34,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7510 states, 4337 states have (on average 1.3043578510491123) internal successors, (5657), 4583 states have internal predecessors, (5657), 2732 states have call successors, (2732), 440 states have call predecessors, (2732), 440 states have return successors, (2768), 2565 states have call predecessors, (2768), 2732 states have call successors, (2768) [2023-11-25 00:04:34,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7510 states to 7510 states and 11157 transitions. [2023-11-25 00:04:34,695 INFO L78 Accepts]: Start accepts. Automaton has 7510 states and 11157 transitions. Word has length 241 [2023-11-25 00:04:34,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:04:34,696 INFO L495 AbstractCegarLoop]: Abstraction has 7510 states and 11157 transitions. [2023-11-25 00:04:34,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2023-11-25 00:04:34,698 INFO L276 IsEmpty]: Start isEmpty. Operand 7510 states and 11157 transitions. [2023-11-25 00:04:34,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-11-25 00:04:34,729 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:04:34,730 INFO L195 NwaCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:04:34,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-25 00:04:34,730 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:04:34,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:04:34,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1621590774, now seen corresponding path program 1 times [2023-11-25 00:04:34,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:04:34,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318404849] [2023-11-25 00:04:34,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:34,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:04:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:04:35,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1002 trivial. 0 not checked. [2023-11-25 00:04:35,502 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:04:35,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318404849] [2023-11-25 00:04:35,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318404849] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:04:35,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:04:35,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:04:35,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308928726] [2023-11-25 00:04:35,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:04:35,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:04:35,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:04:35,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:04:35,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:04:35,507 INFO L87 Difference]: Start difference. First operand 7510 states and 11157 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27)