./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a238eca-134b-462e-8f0c-aa49145cd28d/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a238eca-134b-462e-8f0c-aa49145cd28d/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_6a238eca-134b-462e-8f0c-aa49145cd28d/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a238eca-134b-462e-8f0c-aa49145cd28d/bin/utaipan-verify-t7M7D8N6sZ/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_6a238eca-134b-462e-8f0c-aa49145cd28d/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_6a238eca-134b-462e-8f0c-aa49145cd28d/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 8e81fc6166b432b951460f7a3a0e3bbe6d1e1e00a7297f549296af2cd8a39c75 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:51:24,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:51:24,868 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a238eca-134b-462e-8f0c-aa49145cd28d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:51:24,882 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:51:24,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:51:24,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:51:24,928 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:51:24,928 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:51:24,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:51:24,935 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:51:24,935 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:51:24,936 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:51:24,937 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:51:24,939 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:51:24,939 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:51:24,940 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:51:24,940 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:51:24,941 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:51:24,942 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:51:24,942 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:51:24,943 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:51:24,944 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:51:24,945 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:51:24,946 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:51:24,946 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:51:24,947 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:51:24,947 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:51:24,948 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:51:24,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:51:24,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:51:24,950 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:51:24,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:51:24,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:51:24,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:51:24,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:51:24,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:51:24,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:51:24,953 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:51:24,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:51:24,954 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:51:24,954 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:51:24,954 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:51:24,955 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_6a238eca-134b-462e-8f0c-aa49145cd28d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a238eca-134b-462e-8f0c-aa49145cd28d/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e81fc6166b432b951460f7a3a0e3bbe6d1e1e00a7297f549296af2cd8a39c75 [2023-11-19 04:51:25,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:51:25,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:51:25,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:51:25,331 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:51:25,331 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:51:25,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a238eca-134b-462e-8f0c-aa49145cd28d/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2023-11-19 04:51:28,506 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:51:29,299 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:51:29,300 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a238eca-134b-462e-8f0c-aa49145cd28d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2023-11-19 04:51:29,385 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a238eca-134b-462e-8f0c-aa49145cd28d/bin/utaipan-verify-t7M7D8N6sZ/data/52546b824/0d99ea86a78d45ff9d7dea21e4199e9f/FLAGed15daa0d [2023-11-19 04:51:29,401 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a238eca-134b-462e-8f0c-aa49145cd28d/bin/utaipan-verify-t7M7D8N6sZ/data/52546b824/0d99ea86a78d45ff9d7dea21e4199e9f [2023-11-19 04:51:29,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:51:29,409 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:51:29,412 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:51:29,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:51:29,419 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:51:29,420 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:51:29" (1/1) ... [2023-11-19 04:51:29,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6167ca18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:29, skipping insertion in model container [2023-11-19 04:51:29,421 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:51:29" (1/1) ... [2023-11-19 04:51:29,610 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:51:33,540 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_6a238eca-134b-462e-8f0c-aa49145cd28d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395259,395272] [2023-11-19 04:51:33,545 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_6a238eca-134b-462e-8f0c-aa49145cd28d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395404,395417] [2023-11-19 04:51:33,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:51:33,645 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:51:33,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5401] [2023-11-19 04:51:33,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5409] [2023-11-19 04:51:34,309 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] [2023-11-19 04:51:34,309 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] [2023-11-19 04:51:34,310 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7371] [2023-11-19 04:51:34,310 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [7384] [2023-11-19 04:51:34,598 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_6a238eca-134b-462e-8f0c-aa49145cd28d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395259,395272] [2023-11-19 04:51:34,599 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_6a238eca-134b-462e-8f0c-aa49145cd28d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395404,395417] [2023-11-19 04:51:34,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:51:34,946 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:51:34,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:34 WrapperNode [2023-11-19 04:51:34,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:51:34,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:51:34,949 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:51:34,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:51:34,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:34" (1/1) ... [2023-11-19 04:51:35,105 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:34" (1/1) ... [2023-11-19 04:51:35,368 INFO L138 Inliner]: procedures = 493, calls = 2751, calls flagged for inlining = 240, calls inlined = 225, statements flattened = 5652 [2023-11-19 04:51:35,369 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:51:35,370 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:51:35,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:51:35,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:51:35,382 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:34" (1/1) ... [2023-11-19 04:51:35,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:34" (1/1) ... [2023-11-19 04:51:35,457 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:34" (1/1) ... [2023-11-19 04:51:35,457 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:34" (1/1) ... [2023-11-19 04:51:35,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:34" (1/1) ... [2023-11-19 04:51:35,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:34" (1/1) ... [2023-11-19 04:51:35,709 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:34" (1/1) ... [2023-11-19 04:51:35,751 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:34" (1/1) ... [2023-11-19 04:51:35,818 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:51:35,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:51:35,819 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:51:35,820 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:51:35,820 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:34" (1/1) ... [2023-11-19 04:51:35,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:51:35,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a238eca-134b-462e-8f0c-aa49145cd28d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:51:35,854 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a238eca-134b-462e-8f0c-aa49145cd28d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:51:35,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a238eca-134b-462e-8f0c-aa49145cd28d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:51:35,891 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2023-11-19 04:51:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2023-11-19 04:51:35,892 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 04:51:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 04:51:35,892 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_crc_length [2023-11-19 04:51:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_crc_length [2023-11-19 04:51:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:51:35,893 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:51:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2023-11-19 04:51:35,893 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2023-11-19 04:51:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2023-11-19 04:51:35,893 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2023-11-19 04:51:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 04:51:35,894 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 04:51:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2023-11-19 04:51:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2023-11-19 04:51:35,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:51:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:51:35,895 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_default [2023-11-19 04:51:35,896 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_default [2023-11-19 04:51:35,896 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2023-11-19 04:51:35,897 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2023-11-19 04:51:35,897 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_status [2023-11-19 04:51:35,897 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_status [2023-11-19 04:51:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2023-11-19 04:51:35,898 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2023-11-19 04:51:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set_1 [2023-11-19 04:51:35,898 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set_1 [2023-11-19 04:51:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 04:51:35,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 04:51:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2023-11-19 04:51:35,899 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2023-11-19 04:51:35,900 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_watchdog [2023-11-19 04:51:35,900 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_watchdog [2023-11-19 04:51:35,900 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2023-11-19 04:51:35,900 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2023-11-19 04:51:35,900 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2023-11-19 04:51:35,900 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2023-11-19 04:51:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2023-11-19 04:51:35,901 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2023-11-19 04:51:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 04:51:35,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 04:51:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 04:51:35,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 04:51:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2023-11-19 04:51:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2023-11-19 04:51:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_get_link_status [2023-11-19 04:51:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_get_link_status [2023-11-19 04:51:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:51:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-19 04:51:35,903 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-19 04:51:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 04:51:35,903 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 04:51:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:51:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-19 04:51:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-19 04:51:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_default [2023-11-19 04:51:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_default [2023-11-19 04:51:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_clock [2023-11-19 04:51:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_clock [2023-11-19 04:51:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:51:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 04:51:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 04:51:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2023-11-19 04:51:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2023-11-19 04:51:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:51:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2023-11-19 04:51:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2023-11-19 04:51:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-19 04:51:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-19 04:51:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 04:51:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 04:51:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_default [2023-11-19 04:51:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_default [2023-11-19 04:51:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 04:51:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 04:51:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 04:51:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 04:51:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 04:51:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 04:51:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2023-11-19 04:51:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2023-11-19 04:51:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2023-11-19 04:51:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2023-11-19 04:51:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 04:51:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 04:51:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 04:51:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 04:51:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_crc_length [2023-11-19 04:51:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_crc_length [2023-11-19 04:51:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2023-11-19 04:51:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2023-11-19 04:51:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2023-11-19 04:51:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2023-11-19 04:51:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2023-11-19 04:51:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2023-11-19 04:51:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:51:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 04:51:35,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 04:51:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-19 04:51:35,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-19 04:51:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:51:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 04:51:35,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 04:51:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 04:51:35,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 04:51:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2023-11-19 04:51:35,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2023-11-19 04:51:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:51:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2023-11-19 04:51:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2023-11-19 04:51:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:51:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:51:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-19 04:51:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-19 04:51:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:51:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:51:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-19 04:51:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-19 04:51:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-19 04:51:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-19 04:51:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_init [2023-11-19 04:51:35,919 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_init [2023-11-19 04:51:35,919 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-19 04:51:35,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-19 04:51:35,920 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2023-11-19 04:51:35,920 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2023-11-19 04:51:35,920 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 04:51:35,920 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 04:51:35,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 04:51:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 04:51:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_watchdog [2023-11-19 04:51:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_watchdog [2023-11-19 04:51:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_status [2023-11-19 04:51:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_status [2023-11-19 04:51:35,922 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2023-11-19 04:51:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2023-11-19 04:51:35,922 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_clock [2023-11-19 04:51:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_clock [2023-11-19 04:51:35,922 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-11-19 04:51:35,923 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-11-19 04:51:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:51:35,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:51:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2023-11-19 04:51:35,928 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2023-11-19 04:51:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:51:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:51:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:51:35,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:51:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2023-11-19 04:51:35,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2023-11-19 04:51:35,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 04:51:35,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 04:51:35,937 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_get_link_status [2023-11-19 04:51:35,937 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_get_link_status [2023-11-19 04:51:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2023-11-19 04:51:35,938 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2023-11-19 04:51:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_status [2023-11-19 04:51:35,938 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_status [2023-11-19 04:51:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:51:35,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:51:35,939 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_get_link_status [2023-11-19 04:51:35,939 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_get_link_status [2023-11-19 04:51:35,939 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_init [2023-11-19 04:51:35,939 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_init [2023-11-19 04:51:35,939 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 04:51:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 04:51:35,940 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2023-11-19 04:51:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2023-11-19 04:51:35,940 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_init [2023-11-19 04:51:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_init [2023-11-19 04:51:35,940 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2023-11-19 04:51:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2023-11-19 04:51:35,941 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 04:51:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 04:51:35,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:51:35,941 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2023-11-19 04:51:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2023-11-19 04:51:35,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2023-11-19 04:51:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2023-11-19 04:51:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:51:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-19 04:51:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-19 04:51:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2023-11-19 04:51:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2023-11-19 04:51:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:51:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-19 04:51:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-19 04:51:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_speed [2023-11-19 04:51:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_speed [2023-11-19 04:51:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:51:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:51:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_crc_length [2023-11-19 04:51:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_crc_length [2023-11-19 04:51:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 04:51:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 04:51:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2023-11-19 04:51:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2023-11-19 04:51:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2023-11-19 04:51:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2023-11-19 04:51:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 04:51:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 04:51:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-19 04:51:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-19 04:51:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2023-11-19 04:51:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2023-11-19 04:51:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2023-11-19 04:51:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2023-11-19 04:51:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 04:51:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 04:51:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 04:51:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 04:51:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 04:51:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 04:51:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_link_status [2023-11-19 04:51:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_link_status [2023-11-19 04:51:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_watchdog [2023-11-19 04:51:35,947 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_watchdog [2023-11-19 04:51:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 04:51:35,947 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 04:51:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_watchdog [2023-11-19 04:51:35,947 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_watchdog [2023-11-19 04:51:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:51:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-19 04:51:35,948 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-19 04:51:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:51:35,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:51:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_link_status [2023-11-19 04:51:35,948 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_link_status [2023-11-19 04:51:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_init [2023-11-19 04:51:35,949 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_init [2023-11-19 04:51:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2023-11-19 04:51:35,949 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2023-11-19 04:51:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_default [2023-11-19 04:51:35,949 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_default [2023-11-19 04:51:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-19 04:51:35,949 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-19 04:51:35,950 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_crc_length [2023-11-19 04:51:35,950 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_crc_length [2023-11-19 04:51:35,950 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_clock [2023-11-19 04:51:35,950 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_clock [2023-11-19 04:51:35,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 04:51:35,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 04:51:35,950 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set2_1 [2023-11-19 04:51:35,950 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set2_1 [2023-11-19 04:51:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2023-11-19 04:51:35,951 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2023-11-19 04:51:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-19 04:51:35,951 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-19 04:51:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:51:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 04:51:35,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 04:51:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-11-19 04:51:35,952 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-11-19 04:51:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 04:51:35,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 04:51:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2023-11-19 04:51:35,952 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2023-11-19 04:51:36,903 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:51:36,909 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:51:37,423 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:51:39,542 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call #t~mem1377#1.base, #t~mem1377#1.offset := read~$Pointer$(~sc#1.base, 141 + ~sc#1.offset, 8); [2023-11-19 04:51:39,543 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L12895: SUMMARY for call lmc_trace(#t~mem1377#1.base, #t~mem1377#1.offset, 129, 0); srcloc: null [2023-11-19 04:51:39,543 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L12895-1: havoc #t~mem1377#1.base, #t~mem1377#1.offset; [2023-11-19 04:51:44,714 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 04:51:44,975 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:51:49,302 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:51:49,302 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:51:49,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:51:49 BoogieIcfgContainer [2023-11-19 04:51:49,334 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:51:49,336 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:51:49,337 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:51:49,340 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:51:49,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:51:29" (1/3) ... [2023-11-19 04:51:49,342 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5230cded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:51:49, skipping insertion in model container [2023-11-19 04:51:49,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:34" (2/3) ... [2023-11-19 04:51:49,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5230cded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:51:49, skipping insertion in model container [2023-11-19 04:51:49,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:51:49" (3/3) ... [2023-11-19 04:51:49,345 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2023-11-19 04:51:49,366 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:51:49,367 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:51:49,629 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:51:49,638 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;@58cf72b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:51:49,639 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:51:49,655 INFO L276 IsEmpty]: Start isEmpty. Operand has 2201 states, 1241 states have (on average 1.313456889605157) internal successors, (1630), 1309 states have internal predecessors, (1630), 839 states have call successors, (839), 121 states have call predecessors, (839), 120 states have return successors, (832), 789 states have call predecessors, (832), 832 states have call successors, (832) [2023-11-19 04:51:49,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-19 04:51:49,727 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:51:49,728 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] [2023-11-19 04:51:49,729 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:51:49,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:51:49,738 INFO L85 PathProgramCache]: Analyzing trace with hash -811895988, now seen corresponding path program 1 times [2023-11-19 04:51:49,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:51:49,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301087823] [2023-11-19 04:51:49,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:51:49,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:51:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:51:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2023-11-19 04:51:50,879 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:51:50,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301087823] [2023-11-19 04:51:50,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301087823] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:51:50,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:51:50,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:51:50,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998628097] [2023-11-19 04:51:50,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:51:50,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:51:50,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:51:50,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:51:50,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:51:50,946 INFO L87 Difference]: Start difference. First operand has 2201 states, 1241 states have (on average 1.313456889605157) internal successors, (1630), 1309 states have internal predecessors, (1630), 839 states have call successors, (839), 121 states have call predecessors, (839), 120 states have return successors, (832), 789 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) [2023-11-19 04:51:54,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:51:54,514 INFO L93 Difference]: Finished difference Result 6329 states and 9559 transitions. [2023-11-19 04:51:54,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:51:54,519 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 [2023-11-19 04:51:54,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:51:54,607 INFO L225 Difference]: With dead ends: 6329 [2023-11-19 04:51:54,607 INFO L226 Difference]: Without dead ends: 4099 [2023-11-19 04:51:54,644 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 04:51:54,647 INFO L413 NwaCegarLoop]: 2981 mSDtfsCounter, 2932 mSDsluCounter, 2834 mSDsCounter, 0 mSdLazyCounter, 892 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2932 SdHoareTripleChecker+Valid, 5815 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:51:54,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2932 Valid, 5815 Invalid, 909 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 892 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-19 04:51:54,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4099 states. [2023-11-19 04:51:55,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4099 to 4096. [2023-11-19 04:51:55,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4096 states, 2340 states have (on average 1.3098290598290598) internal successors, (3065), 2471 states have internal predecessors, (3065), 1526 states have call successors, (1526), 229 states have call predecessors, (1526), 229 states have return successors, (1526), 1440 states have call predecessors, (1526), 1526 states have call successors, (1526) [2023-11-19 04:51:55,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4096 states to 4096 states and 6117 transitions. [2023-11-19 04:51:55,136 INFO L78 Accepts]: Start accepts. Automaton has 4096 states and 6117 transitions. Word has length 189 [2023-11-19 04:51:55,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:51:55,141 INFO L495 AbstractCegarLoop]: Abstraction has 4096 states and 6117 transitions. [2023-11-19 04:51:55,141 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) [2023-11-19 04:51:55,142 INFO L276 IsEmpty]: Start isEmpty. Operand 4096 states and 6117 transitions. [2023-11-19 04:51:55,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-11-19 04:51:55,274 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:51:55,275 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] [2023-11-19 04:51:55,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:51:55,275 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:51:55,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:51:55,277 INFO L85 PathProgramCache]: Analyzing trace with hash -80303689, now seen corresponding path program 1 times [2023-11-19 04:51:55,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:51:55,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427391838] [2023-11-19 04:51:55,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:51:55,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:51:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:51:55,687 INFO L134 CoverageAnalysis]: Checked inductivity of 876 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2023-11-19 04:51:55,687 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:51:55,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427391838] [2023-11-19 04:51:55,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427391838] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:51:55,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:51:55,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:51:55,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089652938] [2023-11-19 04:51:55,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:51:55,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:51:55,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:51:55,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:51:55,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:51:55,693 INFO L87 Difference]: Start difference. First operand 4096 states and 6117 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2023-11-19 04:51:58,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:51:58,540 INFO L93 Difference]: Finished difference Result 11526 states and 17188 transitions. [2023-11-19 04:51:58,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:51:58,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 240 [2023-11-19 04:51:58,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:51:58,635 INFO L225 Difference]: With dead ends: 11526 [2023-11-19 04:51:58,635 INFO L226 Difference]: Without dead ends: 7461 [2023-11-19 04:51:58,675 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 04:51:58,677 INFO L413 NwaCegarLoop]: 2858 mSDtfsCounter, 2651 mSDsluCounter, 2787 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2651 SdHoareTripleChecker+Valid, 5645 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-19 04:51:58,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2651 Valid, 5645 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 862 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-19 04:51:58,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7461 states. [2023-11-19 04:51:59,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7461 to 7452. [2023-11-19 04:51:59,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7452 states, 4279 states have (on average 1.3084832904884318) internal successors, (5599), 4525 states have internal predecessors, (5599), 2732 states have call successors, (2732), 440 states have call predecessors, (2732), 440 states have return successors, (2768), 2561 states have call predecessors, (2768), 2732 states have call successors, (2768) [2023-11-19 04:51:59,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7452 states to 7452 states and 11099 transitions. [2023-11-19 04:51:59,660 INFO L78 Accepts]: Start accepts. Automaton has 7452 states and 11099 transitions. Word has length 240 [2023-11-19 04:51:59,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:51:59,661 INFO L495 AbstractCegarLoop]: Abstraction has 7452 states and 11099 transitions. [2023-11-19 04:51:59,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2023-11-19 04:51:59,663 INFO L276 IsEmpty]: Start isEmpty. Operand 7452 states and 11099 transitions. [2023-11-19 04:51:59,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-11-19 04:51:59,691 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:51:59,691 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] [2023-11-19 04:51:59,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:51:59,692 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:51:59,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:51:59,702 INFO L85 PathProgramCache]: Analyzing trace with hash 709321028, now seen corresponding path program 1 times [2023-11-19 04:51:59,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:51:59,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112671430] [2023-11-19 04:51:59,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:51:59,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:51:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:52:00,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1002 trivial. 0 not checked. [2023-11-19 04:52:00,427 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:52:00,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112671430] [2023-11-19 04:52:00,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112671430] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:52:00,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:52:00,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:52:00,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307448313] [2023-11-19 04:52:00,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:52:00,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:52:00,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:52:00,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:52:00,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:52:00,432 INFO L87 Difference]: Start difference. First operand 7452 states and 11099 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) [2023-11-19 04:52:02,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:52:05,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:52:05,236 INFO L93 Difference]: Finished difference Result 18385 states and 27402 transitions. [2023-11-19 04:52:05,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:52:05,238 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (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) Word has length 238 [2023-11-19 04:52:05,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:52:05,370 INFO L225 Difference]: With dead ends: 18385 [2023-11-19 04:52:05,370 INFO L226 Difference]: Without dead ends: 10964 [2023-11-19 04:52:05,438 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 04:52:05,445 INFO L413 NwaCegarLoop]: 5316 mSDtfsCounter, 2879 mSDsluCounter, 2767 mSDsCounter, 0 mSdLazyCounter, 1243 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2879 SdHoareTripleChecker+Valid, 8083 SdHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-19 04:52:05,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2879 Valid, 8083 Invalid, 1258 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 1243 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-11-19 04:52:05,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10964 states. [2023-11-19 04:52:06,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10964 to 10960. [2023-11-19 04:52:06,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10960 states, 6300 states have (on average 1.3087301587301587) internal successors, (8245), 6666 states have internal predecessors, (8245), 4010 states have call successors, (4010), 649 states have call predecessors, (4010), 649 states have return successors, (4061), 3754 states have call predecessors, (4061), 4010 states have call successors, (4061) [2023-11-19 04:52:06,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10960 states to 10960 states and 16316 transitions. [2023-11-19 04:52:06,620 INFO L78 Accepts]: Start accepts. Automaton has 10960 states and 16316 transitions. Word has length 238 [2023-11-19 04:52:06,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:52:06,622 INFO L495 AbstractCegarLoop]: Abstraction has 10960 states and 16316 transitions. [2023-11-19 04:52:06,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (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) [2023-11-19 04:52:06,622 INFO L276 IsEmpty]: Start isEmpty. Operand 10960 states and 16316 transitions. [2023-11-19 04:52:06,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2023-11-19 04:52:06,650 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:52:06,650 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:52:06,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 04:52:06,651 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:52:06,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:52:06,653 INFO L85 PathProgramCache]: Analyzing trace with hash -705975307, now seen corresponding path program 1 times [2023-11-19 04:52:06,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:52:06,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906790453] [2023-11-19 04:52:06,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:06,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:52:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:52:07,177 INFO L134 CoverageAnalysis]: Checked inductivity of 896 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 896 trivial. 0 not checked. [2023-11-19 04:52:07,178 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:52:07,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906790453] [2023-11-19 04:52:07,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906790453] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:52:07,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:52:07,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:52:07,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706771337] [2023-11-19 04:52:07,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:52:07,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:52:07,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:52:07,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:52:07,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:52:07,181 INFO L87 Difference]: Start difference. First operand 10960 states and 16316 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33)