./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 30e01a73 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_683d5e93-3670-496f-8493-93f20d1fec32/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d5e93-3670-496f-8493-93f20d1fec32/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d5e93-3670-496f-8493-93f20d1fec32/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d5e93-3670-496f-8493-93f20d1fec32/bin/utaipan-verify-mE87zJ7Ire/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_683d5e93-3670-496f-8493-93f20d1fec32/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d5e93-3670-496f-8493-93f20d1fec32/bin/utaipan-verify-mE87zJ7Ire --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-30e01a7 [2023-11-23 21:22:43,412 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:22:43,556 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d5e93-3670-496f-8493-93f20d1fec32/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:22:43,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:22:43,569 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:22:43,619 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:22:43,620 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:22:43,621 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:22:43,622 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:22:43,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:22:43,629 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:22:43,630 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:22:43,631 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:22:43,633 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:22:43,634 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:22:43,634 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:22:43,635 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:22:43,635 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:22:43,637 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:22:43,638 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:22:43,639 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:22:43,639 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:22:43,641 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:22:43,641 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:22:43,642 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:22:43,642 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:22:43,643 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:22:43,643 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:22:43,644 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:22:43,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:22:43,646 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:22:43,646 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:22:43,647 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:22:43,647 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:22:43,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:22:43,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:22:43,648 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:22:43,648 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:22:43,648 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:22:43,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:22:43,650 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:22:43,650 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:22:43,651 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:22:43,651 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:22:43,652 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_683d5e93-3670-496f-8493-93f20d1fec32/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d5e93-3670-496f-8493-93f20d1fec32/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e81fc6166b432b951460f7a3a0e3bbe6d1e1e00a7297f549296af2cd8a39c75 [2023-11-23 21:22:44,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:22:44,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:22:44,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:22:44,046 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:22:44,047 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:22:44,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d5e93-3670-496f-8493-93f20d1fec32/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2023-11-23 21:22:47,257 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:22:48,196 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:22:48,197 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d5e93-3670-496f-8493-93f20d1fec32/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2023-11-23 21:22:48,289 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d5e93-3670-496f-8493-93f20d1fec32/bin/utaipan-verify-mE87zJ7Ire/data/e8bb47a86/8b58f46ed41e417087f50f77bfdef732/FLAG1ff0dbf61 [2023-11-23 21:22:48,308 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d5e93-3670-496f-8493-93f20d1fec32/bin/utaipan-verify-mE87zJ7Ire/data/e8bb47a86/8b58f46ed41e417087f50f77bfdef732 [2023-11-23 21:22:48,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:22:48,320 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:22:48,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:22:48,325 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:22:48,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:22:48,332 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:22:48" (1/1) ... [2023-11-23 21:22:48,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c0f08d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:48, skipping insertion in model container [2023-11-23 21:22:48,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:22:48" (1/1) ... [2023-11-23 21:22:48,573 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:22:52,848 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_683d5e93-3670-496f-8493-93f20d1fec32/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395259,395272] [2023-11-23 21:22:52,853 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_683d5e93-3670-496f-8493-93f20d1fec32/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395404,395417] [2023-11-23 21:22:52,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:22:52,939 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:22:53,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5401] [2023-11-23 21:22:53,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5409] [2023-11-23 21:22:53,749 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] [2023-11-23 21:22:53,749 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] [2023-11-23 21:22:53,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7371] [2023-11-23 21:22:53,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [7384] [2023-11-23 21:22:54,138 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_683d5e93-3670-496f-8493-93f20d1fec32/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395259,395272] [2023-11-23 21:22:54,138 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_683d5e93-3670-496f-8493-93f20d1fec32/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395404,395417] [2023-11-23 21:22:54,152 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:22:54,519 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:22:54,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:54 WrapperNode [2023-11-23 21:22:54,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:22:54,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:22:54,522 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:22:54,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:22:54,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:54" (1/1) ... [2023-11-23 21:22:54,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:54" (1/1) ... [2023-11-23 21:22:54,878 INFO L138 Inliner]: procedures = 493, calls = 2751, calls flagged for inlining = 240, calls inlined = 225, statements flattened = 5652 [2023-11-23 21:22:54,879 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:22:54,879 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:22:54,880 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:22:54,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:22:54,890 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:54" (1/1) ... [2023-11-23 21:22:54,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:54" (1/1) ... [2023-11-23 21:22:54,952 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:54" (1/1) ... [2023-11-23 21:22:54,955 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:54" (1/1) ... [2023-11-23 21:22:55,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:54" (1/1) ... [2023-11-23 21:22:55,160 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:54" (1/1) ... [2023-11-23 21:22:55,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:54" (1/1) ... [2023-11-23 21:22:55,231 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:54" (1/1) ... [2023-11-23 21:22:55,269 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:22:55,271 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:22:55,271 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:22:55,272 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:22:55,273 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:54" (1/1) ... [2023-11-23 21:22:55,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:22:55,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d5e93-3670-496f-8493-93f20d1fec32/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:22:55,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d5e93-3670-496f-8493-93f20d1fec32/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:22:55,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683d5e93-3670-496f-8493-93f20d1fec32/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:22:55,437 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2023-11-23 21:22:55,438 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2023-11-23 21:22:55,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-23 21:22:55,438 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-23 21:22:55,438 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_crc_length [2023-11-23 21:22:55,438 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_crc_length [2023-11-23 21:22:55,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:22:55,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:22:55,439 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2023-11-23 21:22:55,439 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2023-11-23 21:22:55,439 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2023-11-23 21:22:55,440 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2023-11-23 21:22:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 21:22:55,440 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 21:22:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2023-11-23 21:22:55,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2023-11-23 21:22:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:22:55,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:22:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_default [2023-11-23 21:22:55,441 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_default [2023-11-23 21:22:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2023-11-23 21:22:55,442 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2023-11-23 21:22:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_status [2023-11-23 21:22:55,442 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_status [2023-11-23 21:22:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2023-11-23 21:22:55,442 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2023-11-23 21:22:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set_1 [2023-11-23 21:22:55,443 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set_1 [2023-11-23 21:22:55,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-23 21:22:55,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-23 21:22:55,443 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2023-11-23 21:22:55,443 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2023-11-23 21:22:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_watchdog [2023-11-23 21:22:55,444 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_watchdog [2023-11-23 21:22:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2023-11-23 21:22:55,444 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2023-11-23 21:22:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2023-11-23 21:22:55,444 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2023-11-23 21:22:55,444 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2023-11-23 21:22:55,445 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2023-11-23 21:22:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:22:55,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:22:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:22:55,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:22:55,446 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2023-11-23 21:22:55,446 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2023-11-23 21:22:55,446 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_get_link_status [2023-11-23 21:22:55,446 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_get_link_status [2023-11-23 21:22:55,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:22:55,446 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-23 21:22:55,447 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-23 21:22:55,447 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:22:55,447 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:22:55,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:22:55,448 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-23 21:22:55,448 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-23 21:22:55,448 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_default [2023-11-23 21:22:55,449 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_default [2023-11-23 21:22:55,449 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_clock [2023-11-23 21:22:55,449 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_clock [2023-11-23 21:22:55,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:22:55,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:22:55,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:22:55,450 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2023-11-23 21:22:55,450 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2023-11-23 21:22:55,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:22:55,450 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2023-11-23 21:22:55,450 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2023-11-23 21:22:55,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-23 21:22:55,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-23 21:22:55,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-23 21:22:55,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-23 21:22:55,451 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_default [2023-11-23 21:22:55,451 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_default [2023-11-23 21:22:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:22:55,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:22:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:22:55,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:22:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 21:22:55,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 21:22:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2023-11-23 21:22:55,453 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2023-11-23 21:22:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2023-11-23 21:22:55,453 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2023-11-23 21:22:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:22:55,453 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:22:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-23 21:22:55,454 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-23 21:22:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_crc_length [2023-11-23 21:22:55,454 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_crc_length [2023-11-23 21:22:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2023-11-23 21:22:55,454 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2023-11-23 21:22:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2023-11-23 21:22:55,455 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2023-11-23 21:22:55,455 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2023-11-23 21:22:55,455 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2023-11-23 21:22:55,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:22:55,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 21:22:55,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 21:22:55,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-23 21:22:55,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-23 21:22:55,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:22:55,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:22:55,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:22:55,456 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:22:55,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:22:55,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2023-11-23 21:22:55,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2023-11-23 21:22:55,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:22:55,457 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2023-11-23 21:22:55,457 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2023-11-23 21:22:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:22:55,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:22:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-23 21:22:55,458 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-23 21:22:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:22:55,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:22:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-23 21:22:55,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-23 21:22:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-23 21:22:55,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-23 21:22:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_init [2023-11-23 21:22:55,460 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_init [2023-11-23 21:22:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-23 21:22:55,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-23 21:22:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2023-11-23 21:22:55,460 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2023-11-23 21:22:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-23 21:22:55,461 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-23 21:22:55,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 21:22:55,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 21:22:55,461 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_watchdog [2023-11-23 21:22:55,461 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_watchdog [2023-11-23 21:22:55,461 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_status [2023-11-23 21:22:55,462 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_status [2023-11-23 21:22:55,462 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2023-11-23 21:22:55,462 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2023-11-23 21:22:55,462 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_clock [2023-11-23 21:22:55,462 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_clock [2023-11-23 21:22:55,462 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-11-23 21:22:55,463 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-11-23 21:22:55,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:22:55,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:22:55,463 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2023-11-23 21:22:55,463 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2023-11-23 21:22:55,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:22:55,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:22:55,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:22:55,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:22:55,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2023-11-23 21:22:55,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2023-11-23 21:22:55,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-23 21:22:55,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-23 21:22:55,465 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_get_link_status [2023-11-23 21:22:55,465 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_get_link_status [2023-11-23 21:22:55,465 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2023-11-23 21:22:55,465 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2023-11-23 21:22:55,465 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_status [2023-11-23 21:22:55,465 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_status [2023-11-23 21:22:55,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:22:55,466 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:22:55,466 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_get_link_status [2023-11-23 21:22:55,466 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_get_link_status [2023-11-23 21:22:55,466 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_init [2023-11-23 21:22:55,466 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_init [2023-11-23 21:22:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:22:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:22:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2023-11-23 21:22:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2023-11-23 21:22:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_init [2023-11-23 21:22:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_init [2023-11-23 21:22:55,467 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2023-11-23 21:22:55,468 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2023-11-23 21:22:55,468 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-23 21:22:55,468 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-23 21:22:55,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:22:55,468 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2023-11-23 21:22:55,468 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2023-11-23 21:22:55,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2023-11-23 21:22:55,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2023-11-23 21:22:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:22:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-23 21:22:55,469 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-23 21:22:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2023-11-23 21:22:55,469 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2023-11-23 21:22:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:22:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-23 21:22:55,470 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-23 21:22:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_speed [2023-11-23 21:22:55,470 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_speed [2023-11-23 21:22:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:22:55,470 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:22:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_crc_length [2023-11-23 21:22:55,471 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_crc_length [2023-11-23 21:22:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 21:22:55,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 21:22:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2023-11-23 21:22:55,471 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2023-11-23 21:22:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2023-11-23 21:22:55,472 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2023-11-23 21:22:55,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:22:55,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:22:55,472 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-23 21:22:55,472 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-23 21:22:55,472 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2023-11-23 21:22:55,472 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2023-11-23 21:22:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2023-11-23 21:22:55,473 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2023-11-23 21:22:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 21:22:55,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 21:22:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-23 21:22:55,473 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-23 21:22:55,474 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:22:55,474 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:22:55,474 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_link_status [2023-11-23 21:22:55,474 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_link_status [2023-11-23 21:22:55,474 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_watchdog [2023-11-23 21:22:55,474 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_watchdog [2023-11-23 21:22:55,474 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:22:55,475 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:22:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_watchdog [2023-11-23 21:22:55,475 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_watchdog [2023-11-23 21:22:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:22:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-23 21:22:55,475 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-23 21:22:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:22:55,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:22:55,476 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_link_status [2023-11-23 21:22:55,476 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_link_status [2023-11-23 21:22:55,476 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_init [2023-11-23 21:22:55,476 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_init [2023-11-23 21:22:55,476 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2023-11-23 21:22:55,477 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2023-11-23 21:22:55,477 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_default [2023-11-23 21:22:55,477 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_default [2023-11-23 21:22:55,477 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-23 21:22:55,477 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-23 21:22:55,477 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_crc_length [2023-11-23 21:22:55,477 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_crc_length [2023-11-23 21:22:55,478 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_clock [2023-11-23 21:22:55,478 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_clock [2023-11-23 21:22:55,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:22:55,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:22:55,478 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set2_1 [2023-11-23 21:22:55,478 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set2_1 [2023-11-23 21:22:55,478 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2023-11-23 21:22:55,479 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2023-11-23 21:22:55,479 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-23 21:22:55,479 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-23 21:22:55,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:22:55,479 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-23 21:22:55,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-23 21:22:55,479 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-11-23 21:22:55,480 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-11-23 21:22:55,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:22:55,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:22:55,480 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2023-11-23 21:22:55,480 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2023-11-23 21:22:56,487 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:22:56,493 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:22:57,141 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:22:59,424 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call #t~mem1377#1.base, #t~mem1377#1.offset := read~$Pointer$(~sc#1.base, 141 + ~sc#1.offset, 8); [2023-11-23 21:22:59,425 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L12895: SUMMARY for call lmc_trace(#t~mem1377#1.base, #t~mem1377#1.offset, 129, 0); srcloc: null [2023-11-23 21:22:59,425 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L12895-1: havoc #t~mem1377#1.base, #t~mem1377#1.offset; [2023-11-23 21:23:03,970 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:23:04,241 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:23:08,043 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:23:08,044 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:23:08,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:08 BoogieIcfgContainer [2023-11-23 21:23:08,051 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:23:08,055 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:23:08,055 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:23:08,058 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:23:08,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:22:48" (1/3) ... [2023-11-23 21:23:08,060 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16f88db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:08, skipping insertion in model container [2023-11-23 21:23:08,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:54" (2/3) ... [2023-11-23 21:23:08,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16f88db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:08, skipping insertion in model container [2023-11-23 21:23:08,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:08" (3/3) ... [2023-11-23 21:23:08,068 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2023-11-23 21:23:08,087 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:23:08,087 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:23:08,195 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:23:08,204 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;@7be120b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:23:08,204 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:23:08,218 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) [2023-11-23 21:23:08,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-23 21:23:08,275 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:08,276 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] [2023-11-23 21:23:08,277 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:08,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:08,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1691940221, now seen corresponding path program 1 times [2023-11-23 21:23:08,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:08,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718155080] [2023-11-23 21:23:08,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:08,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:09,453 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2023-11-23 21:23:09,454 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:09,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718155080] [2023-11-23 21:23:09,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718155080] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:09,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:09,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:23:09,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60091017] [2023-11-23 21:23:09,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:09,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:23:09,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:09,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:23:09,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:09,502 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) [2023-11-23 21:23:12,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:12,433 INFO L93 Difference]: Finished difference Result 6329 states and 9559 transitions. [2023-11-23 21:23:12,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:23:12,436 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 [2023-11-23 21:23:12,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:12,509 INFO L225 Difference]: With dead ends: 6329 [2023-11-23 21:23:12,509 INFO L226 Difference]: Without dead ends: 4099 [2023-11-23 21:23:12,544 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 [2023-11-23 21:23:12,548 INFO L413 NwaCegarLoop]: 2981 mSDtfsCounter, 2932 mSDsluCounter, 2834 mSDsCounter, 0 mSdLazyCounter, 892 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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, 2.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:12,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2932 Valid, 5815 Invalid, 909 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 892 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-23 21:23:12,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4099 states. [2023-11-23 21:23:13,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4099 to 4096. [2023-11-23 21:23:13,123 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) [2023-11-23 21:23:13,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4096 states to 4096 states and 6117 transitions. [2023-11-23 21:23:13,194 INFO L78 Accepts]: Start accepts. Automaton has 4096 states and 6117 transitions. Word has length 189 [2023-11-23 21:23:13,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:13,199 INFO L495 AbstractCegarLoop]: Abstraction has 4096 states and 6117 transitions. [2023-11-23 21:23:13,199 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) [2023-11-23 21:23:13,199 INFO L276 IsEmpty]: Start isEmpty. Operand 4096 states and 6117 transitions. [2023-11-23 21:23:13,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-11-23 21:23:13,243 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:13,243 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] [2023-11-23 21:23:13,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:23:13,244 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:13,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:13,245 INFO L85 PathProgramCache]: Analyzing trace with hash -118723563, now seen corresponding path program 1 times [2023-11-23 21:23:13,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:13,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012522868] [2023-11-23 21:23:13,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:13,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:13,767 INFO L134 CoverageAnalysis]: Checked inductivity of 876 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2023-11-23 21:23:13,767 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:13,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012522868] [2023-11-23 21:23:13,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012522868] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:13,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:13,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:23:13,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712190533] [2023-11-23 21:23:13,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:13,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:23:13,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:13,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:23:13,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:13,774 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) [2023-11-23 21:23:15,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:23:17,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:17,781 INFO L93 Difference]: Finished difference Result 11526 states and 17188 transitions. [2023-11-23 21:23:17,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:23:17,782 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 [2023-11-23 21:23:17,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:17,881 INFO L225 Difference]: With dead ends: 11526 [2023-11-23 21:23:17,882 INFO L226 Difference]: Without dead ends: 7461 [2023-11-23 21:23:17,925 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 [2023-11-23 21:23:17,927 INFO L413 NwaCegarLoop]: 2858 mSDtfsCounter, 2651 mSDsluCounter, 2787 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s 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, 3.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:17,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2651 Valid, 5645 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 862 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-23 21:23:17,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7461 states. [2023-11-23 21:23:18,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7461 to 7452. [2023-11-23 21:23:18,661 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) [2023-11-23 21:23:18,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7452 states to 7452 states and 11099 transitions. [2023-11-23 21:23:18,777 INFO L78 Accepts]: Start accepts. Automaton has 7452 states and 11099 transitions. Word has length 240 [2023-11-23 21:23:18,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:18,778 INFO L495 AbstractCegarLoop]: Abstraction has 7452 states and 11099 transitions. [2023-11-23 21:23:18,779 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) [2023-11-23 21:23:18,780 INFO L276 IsEmpty]: Start isEmpty. Operand 7452 states and 11099 transitions. [2023-11-23 21:23:18,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-11-23 21:23:18,806 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:18,807 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] [2023-11-23 21:23:18,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:23:18,807 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:18,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:18,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1397460027, now seen corresponding path program 1 times [2023-11-23 21:23:18,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:18,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825513544] [2023-11-23 21:23:18,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:18,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:19,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1002 trivial. 0 not checked. [2023-11-23 21:23:19,428 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:19,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825513544] [2023-11-23 21:23:19,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825513544] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:19,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:19,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:23:19,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470452213] [2023-11-23 21:23:19,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:19,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:23:19,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:19,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:23:19,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:19,436 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) [2023-11-23 21:23:23,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:23,803 INFO L93 Difference]: Finished difference Result 18385 states and 27402 transitions. [2023-11-23 21:23:23,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:23:23,804 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 [2023-11-23 21:23:23,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:23,928 INFO L225 Difference]: With dead ends: 18385 [2023-11-23 21:23:23,928 INFO L226 Difference]: Without dead ends: 10964 [2023-11-23 21:23:23,988 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 [2023-11-23 21:23:23,990 INFO L413 NwaCegarLoop]: 5316 mSDtfsCounter, 2879 mSDsluCounter, 2767 mSDsCounter, 0 mSdLazyCounter, 1243 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2879 SdHoareTripleChecker+Valid, 8083 SdHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:23,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2879 Valid, 8083 Invalid, 1258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1243 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-23 21:23:24,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10964 states. [2023-11-23 21:23:24,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10964 to 10960. [2023-11-23 21:23:24,860 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) [2023-11-23 21:23:24,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10960 states to 10960 states and 16316 transitions. [2023-11-23 21:23:24,976 INFO L78 Accepts]: Start accepts. Automaton has 10960 states and 16316 transitions. Word has length 238 [2023-11-23 21:23:24,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:24,978 INFO L495 AbstractCegarLoop]: Abstraction has 10960 states and 16316 transitions. [2023-11-23 21:23:24,979 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) [2023-11-23 21:23:24,979 INFO L276 IsEmpty]: Start isEmpty. Operand 10960 states and 16316 transitions. [2023-11-23 21:23:25,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2023-11-23 21:23:25,007 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:25,007 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] [2023-11-23 21:23:25,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:23:25,008 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:25,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:25,010 INFO L85 PathProgramCache]: Analyzing trace with hash 757632386, now seen corresponding path program 1 times [2023-11-23 21:23:25,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:25,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350932772] [2023-11-23 21:23:25,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:25,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:25,479 INFO L134 CoverageAnalysis]: Checked inductivity of 896 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 896 trivial. 0 not checked. [2023-11-23 21:23:25,480 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:25,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350932772] [2023-11-23 21:23:25,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350932772] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:25,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:25,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:23:25,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649267934] [2023-11-23 21:23:25,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:25,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:23:25,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:25,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:23:25,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:25,483 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)