./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be132208-90e9-4c39-8047-da45a9f96f0b/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be132208-90e9-4c39-8047-da45a9f96f0b/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be132208-90e9-4c39-8047-da45a9f96f0b/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be132208-90e9-4c39-8047-da45a9f96f0b/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be132208-90e9-4c39-8047-da45a9f96f0b/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be132208-90e9-4c39-8047-da45a9f96f0b/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:06:44,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:06:44,256 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be132208-90e9-4c39-8047-da45a9f96f0b/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-25 00:06:44,263 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:06:44,264 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:06:44,293 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:06:44,294 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:06:44,295 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:06:44,296 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:06:44,296 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:06:44,297 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:06:44,298 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:06:44,298 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:06:44,299 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:06:44,299 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:06:44,300 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:06:44,300 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:06:44,301 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:06:44,302 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:06:44,302 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:06:44,304 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:06:44,305 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:06:44,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:06:44,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:06:44,307 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:06:44,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:06:44,308 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:06:44,309 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:06:44,309 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:06:44,310 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:06:44,311 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:06:44,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:06:44,312 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:06:44,312 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:06:44,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:06:44,313 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:06:44,313 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:06:44,314 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:06:44,314 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:06:44,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:06:44,315 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:06:44,315 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:06:44,316 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:06:44,316 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:06:44,316 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_be132208-90e9-4c39-8047-da45a9f96f0b/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be132208-90e9-4c39-8047-da45a9f96f0b/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a [2023-11-25 00:06:44,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:06:44,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:06:44,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:06:44,666 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:06:44,667 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:06:44,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be132208-90e9-4c39-8047-da45a9f96f0b/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2023-11-25 00:06:47,856 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:06:48,680 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:06:48,681 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be132208-90e9-4c39-8047-da45a9f96f0b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2023-11-25 00:06:48,769 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be132208-90e9-4c39-8047-da45a9f96f0b/bin/utaipan-verify-SwPr7d2a91/data/6bf03a87d/04746a67c3504d0aabb73ac9418779cd/FLAG3b8046009 [2023-11-25 00:06:48,785 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be132208-90e9-4c39-8047-da45a9f96f0b/bin/utaipan-verify-SwPr7d2a91/data/6bf03a87d/04746a67c3504d0aabb73ac9418779cd [2023-11-25 00:06:48,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:06:48,794 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:06:48,797 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:06:48,797 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:06:48,802 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:06:48,803 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:06:48" (1/1) ... [2023-11-25 00:06:48,804 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2630a4ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:48, skipping insertion in model container [2023-11-25 00:06:48,804 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:06:48" (1/1) ... [2023-11-25 00:06:49,043 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:06:53,297 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_be132208-90e9-4c39-8047-da45a9f96f0b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2023-11-25 00:06:53,303 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_be132208-90e9-4c39-8047-da45a9f96f0b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2023-11-25 00:06:53,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:06:53,453 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:06:53,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6530-6531] [2023-11-25 00:06:53,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6536-6538] [2023-11-25 00:06:53,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [6759-6760] [2023-11-25 00:06:53,661 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6793-6794] [2023-11-25 00:06:54,071 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be132208-90e9-4c39-8047-da45a9f96f0b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2023-11-25 00:06:54,072 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be132208-90e9-4c39-8047-da45a9f96f0b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2023-11-25 00:06:54,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:06:54,311 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:06:54,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:54 WrapperNode [2023-11-25 00:06:54,312 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:06:54,313 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:06:54,314 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:06:54,314 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:06:54,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:54" (1/1) ... [2023-11-25 00:06:54,510 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:54" (1/1) ... [2023-11-25 00:06:54,828 INFO L138 Inliner]: procedures = 521, calls = 3911, calls flagged for inlining = 277, calls inlined = 262, statements flattened = 7601 [2023-11-25 00:06:54,828 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:06:54,829 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:06:54,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:06:54,830 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:06:54,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:54" (1/1) ... [2023-11-25 00:06:54,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:54" (1/1) ... [2023-11-25 00:06:54,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:54" (1/1) ... [2023-11-25 00:06:54,916 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:54" (1/1) ... [2023-11-25 00:06:55,281 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:54" (1/1) ... [2023-11-25 00:06:55,326 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:54" (1/1) ... [2023-11-25 00:06:55,399 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:54" (1/1) ... [2023-11-25 00:06:55,432 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:54" (1/1) ... [2023-11-25 00:06:55,527 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:06:55,529 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:06:55,529 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:06:55,529 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:06:55,530 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:54" (1/1) ... [2023-11-25 00:06:55,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:06:55,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be132208-90e9-4c39-8047-da45a9f96f0b/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:06:55,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be132208-90e9-4c39-8047-da45a9f96f0b/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:06:55,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be132208-90e9-4c39-8047-da45a9f96f0b/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:06:55,740 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2023-11-25 00:06:55,756 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2023-11-25 00:06:55,756 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2023-11-25 00:06:55,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2023-11-25 00:06:55,756 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2023-11-25 00:06:55,757 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2023-11-25 00:06:55,757 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2023-11-25 00:06:55,757 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2023-11-25 00:06:55,757 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-25 00:06:55,757 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-25 00:06:55,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-25 00:06:55,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-25 00:06:55,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-25 00:06:55,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-25 00:06:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2023-11-25 00:06:55,759 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2023-11-25 00:06:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2023-11-25 00:06:55,760 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2023-11-25 00:06:55,760 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-25 00:06:55,761 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-25 00:06:55,761 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-25 00:06:55,761 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-25 00:06:55,762 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-25 00:06:55,762 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-25 00:06:55,763 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2023-11-25 00:06:55,763 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2023-11-25 00:06:55,763 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2023-11-25 00:06:55,763 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2023-11-25 00:06:55,763 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2023-11-25 00:06:55,764 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2023-11-25 00:06:55,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-25 00:06:55,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-25 00:06:55,764 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2023-11-25 00:06:55,764 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2023-11-25 00:06:55,765 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2023-11-25 00:06:55,765 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2023-11-25 00:06:55,765 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2023-11-25 00:06:55,765 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2023-11-25 00:06:55,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-25 00:06:55,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-25 00:06:55,766 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-25 00:06:55,766 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-25 00:06:55,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2023-11-25 00:06:55,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2023-11-25 00:06:55,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:06:55,767 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2023-11-25 00:06:55,767 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2023-11-25 00:06:55,767 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2023-11-25 00:06:55,767 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2023-11-25 00:06:55,767 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2023-11-25 00:06:55,767 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2023-11-25 00:06:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-25 00:06:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2023-11-25 00:06:55,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2023-11-25 00:06:55,769 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_conf_erp [2023-11-25 00:06:55,769 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_conf_erp [2023-11-25 00:06:55,770 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-25 00:06:55,770 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-25 00:06:55,771 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-25 00:06:55,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-25 00:06:55,771 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2023-11-25 00:06:55,772 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2023-11-25 00:06:55,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-25 00:06:55,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-25 00:06:55,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-25 00:06:55,772 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2023-11-25 00:06:55,773 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2023-11-25 00:06:55,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:06:55,774 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-25 00:06:55,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-25 00:06:55,774 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2023-11-25 00:06:55,775 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2023-11-25 00:06:55,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-25 00:06:55,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-25 00:06:55,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-25 00:06:55,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-25 00:06:55,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-25 00:06:55,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-25 00:06:55,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-25 00:06:55,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-25 00:06:55,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-25 00:06:55,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-25 00:06:55,792 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-25 00:06:55,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-25 00:06:55,793 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2023-11-25 00:06:55,793 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2023-11-25 00:06:55,793 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2023-11-25 00:06:55,793 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2023-11-25 00:06:55,794 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-25 00:06:55,794 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-25 00:06:55,794 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-25 00:06:55,794 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-25 00:06:55,794 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2023-11-25 00:06:55,795 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2023-11-25 00:06:55,795 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2023-11-25 00:06:55,795 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2023-11-25 00:06:55,795 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2023-11-25 00:06:55,795 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2023-11-25 00:06:55,795 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2023-11-25 00:06:55,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2023-11-25 00:06:55,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:06:55,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-25 00:06:55,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-25 00:06:55,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-25 00:06:55,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-25 00:06:55,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:06:55,798 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-25 00:06:55,798 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-25 00:06:55,798 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2023-11-25 00:06:55,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2023-11-25 00:06:55,799 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2023-11-25 00:06:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2023-11-25 00:06:55,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-25 00:06:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-25 00:06:55,800 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-25 00:06:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-25 00:06:55,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:06:55,801 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:06:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:06:55,801 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-25 00:06:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-25 00:06:55,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-25 00:06:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-25 00:06:55,802 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2023-11-25 00:06:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2023-11-25 00:06:55,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-25 00:06:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-25 00:06:55,803 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2023-11-25 00:06:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2023-11-25 00:06:55,804 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2023-11-25 00:06:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2023-11-25 00:06:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-25 00:06:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-25 00:06:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2023-11-25 00:06:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2023-11-25 00:06:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2023-11-25 00:06:55,806 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2023-11-25 00:06:55,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rtl8180_priv [2023-11-25 00:06:55,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rtl8180_priv [2023-11-25 00:06:55,806 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2023-11-25 00:06:55,807 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2023-11-25 00:06:55,808 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2023-11-25 00:06:55,810 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2023-11-25 00:06:55,812 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-11-25 00:06:55,812 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-11-25 00:06:55,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:06:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:06:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-25 00:06:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-25 00:06:55,815 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2023-11-25 00:06:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2023-11-25 00:06:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-25 00:06:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-25 00:06:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-25 00:06:55,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-25 00:06:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2023-11-25 00:06:55,822 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2023-11-25 00:06:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2023-11-25 00:06:55,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2023-11-25 00:06:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2023-11-25 00:06:55,823 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2023-11-25 00:06:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2023-11-25 00:06:55,823 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2023-11-25 00:06:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2023-11-25 00:06:55,823 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2023-11-25 00:06:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-25 00:06:55,824 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-25 00:06:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-25 00:06:55,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-25 00:06:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-25 00:06:55,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-25 00:06:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2023-11-25 00:06:55,825 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2023-11-25 00:06:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-25 00:06:55,825 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-25 00:06:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-25 00:06:55,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-25 00:06:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2023-11-25 00:06:55,825 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2023-11-25 00:06:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:06:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2023-11-25 00:06:55,826 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2023-11-25 00:06:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:06:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:06:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-25 00:06:55,827 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-25 00:06:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-25 00:06:55,827 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-25 00:06:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-25 00:06:55,827 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-25 00:06:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-25 00:06:55,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-25 00:06:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2023-11-25 00:06:55,828 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2023-11-25 00:06:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2023-11-25 00:06:55,828 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2023-11-25 00:06:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2023-11-25 00:06:55,829 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2023-11-25 00:06:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2023-11-25 00:06:55,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2023-11-25 00:06:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2023-11-25 00:06:55,829 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2023-11-25 00:06:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2023-11-25 00:06:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2023-11-25 00:06:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:06:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2023-11-25 00:06:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2023-11-25 00:06:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-25 00:06:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-25 00:06:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-25 00:06:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-25 00:06:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2023-11-25 00:06:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2023-11-25 00:06:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2023-11-25 00:06:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2023-11-25 00:06:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2023-11-25 00:06:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2023-11-25 00:06:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2023-11-25 00:06:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2023-11-25 00:06:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-25 00:06:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-25 00:06:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-25 00:06:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-25 00:06:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-25 00:06:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-25 00:06:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2023-11-25 00:06:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2023-11-25 00:06:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-25 00:06:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-25 00:06:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2023-11-25 00:06:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2023-11-25 00:06:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2023-11-25 00:06:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2023-11-25 00:06:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-25 00:06:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:06:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-25 00:06:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-25 00:06:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2023-11-25 00:06:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2023-11-25 00:06:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-25 00:06:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-25 00:06:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2023-11-25 00:06:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2023-11-25 00:06:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2023-11-25 00:06:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2023-11-25 00:06:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2023-11-25 00:06:55,837 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2023-11-25 00:06:57,200 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:06:57,205 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:06:57,605 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-25 00:07:07,724 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-25 00:07:08,062 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:07:13,970 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:07:13,970 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-25 00:07:13,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:07:13 BoogieIcfgContainer [2023-11-25 00:07:13,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:07:13,978 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:07:13,978 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:07:13,981 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:07:13,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:06:48" (1/3) ... [2023-11-25 00:07:13,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21404785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:07:13, skipping insertion in model container [2023-11-25 00:07:13,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:54" (2/3) ... [2023-11-25 00:07:13,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21404785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:07:13, skipping insertion in model container [2023-11-25 00:07:13,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:07:13" (3/3) ... [2023-11-25 00:07:13,989 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2023-11-25 00:07:14,011 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:07:14,012 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:07:14,152 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:07:14,163 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;@4dc8e515, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:07:14,167 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:07:14,183 INFO L276 IsEmpty]: Start isEmpty. Operand has 2561 states, 1218 states have (on average 1.2463054187192117) internal successors, (1518), 1252 states have internal predecessors, (1518), 1228 states have call successors, (1228), 115 states have call predecessors, (1228), 114 states have return successors, (1220), 1203 states have call predecessors, (1220), 1220 states have call successors, (1220) [2023-11-25 00:07:14,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2023-11-25 00:07:14,240 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:07:14,241 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:07:14,242 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:07:14,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:07:14,248 INFO L85 PathProgramCache]: Analyzing trace with hash 2044313075, now seen corresponding path program 1 times [2023-11-25 00:07:14,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:07:14,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288726817] [2023-11-25 00:07:14,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:07:14,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:07:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:07:16,197 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5112 trivial. 0 not checked. [2023-11-25 00:07:16,198 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:07:16,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288726817] [2023-11-25 00:07:16,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288726817] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:07:16,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:07:16,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:07:16,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032201262] [2023-11-25 00:07:16,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:07:16,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:07:16,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:07:16,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:07:16,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:07:16,267 INFO L87 Difference]: Start difference. First operand has 2561 states, 1218 states have (on average 1.2463054187192117) internal successors, (1518), 1252 states have internal predecessors, (1518), 1228 states have call successors, (1228), 115 states have call predecessors, (1228), 114 states have return successors, (1220), 1203 states have call predecessors, (1220), 1220 states have call successors, (1220) 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, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2023-11-25 00:07:21,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-25 00:07:27,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-25 00:07:29,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-25 00:07:29,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:07:29,657 INFO L93 Difference]: Finished difference Result 7457 states and 11602 transitions. [2023-11-25 00:07:29,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:07:29,660 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, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 412 [2023-11-25 00:07:29,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:07:29,754 INFO L225 Difference]: With dead ends: 7457 [2023-11-25 00:07:29,754 INFO L226 Difference]: Without dead ends: 4878 [2023-11-25 00:07:29,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:07:29,797 INFO L413 NwaCegarLoop]: 3552 mSDtfsCounter, 3739 mSDsluCounter, 3490 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 15 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3739 SdHoareTripleChecker+Valid, 7042 SdHoareTripleChecker+Invalid, 927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2023-11-25 00:07:29,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3739 Valid, 7042 Invalid, 927 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 909 Invalid, 3 Unknown, 0 Unchecked, 12.8s Time] [2023-11-25 00:07:29,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4878 states. [2023-11-25 00:07:30,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4878 to 4873. [2023-11-25 00:07:30,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4873 states, 2315 states have (on average 1.2397408207343412) internal successors, (2870), 2377 states have internal predecessors, (2870), 2333 states have call successors, (2333), 224 states have call predecessors, (2333), 224 states have return successors, (2352), 2299 states have call predecessors, (2352), 2333 states have call successors, (2352) [2023-11-25 00:07:30,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4873 states to 4873 states and 7555 transitions. [2023-11-25 00:07:30,526 INFO L78 Accepts]: Start accepts. Automaton has 4873 states and 7555 transitions. Word has length 412 [2023-11-25 00:07:30,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:07:30,528 INFO L495 AbstractCegarLoop]: Abstraction has 4873 states and 7555 transitions. [2023-11-25 00:07:30,529 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, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2023-11-25 00:07:30,529 INFO L276 IsEmpty]: Start isEmpty. Operand 4873 states and 7555 transitions. [2023-11-25 00:07:30,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2023-11-25 00:07:30,545 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:07:30,546 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:07:30,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:07:30,546 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:07:30,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:07:30,547 INFO L85 PathProgramCache]: Analyzing trace with hash -2020834691, now seen corresponding path program 1 times [2023-11-25 00:07:30,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:07:30,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348009552] [2023-11-25 00:07:30,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:07:30,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:07:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:07:31,532 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5112 trivial. 0 not checked. [2023-11-25 00:07:31,532 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:07:31,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348009552] [2023-11-25 00:07:31,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348009552] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:07:31,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:07:31,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:07:31,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176835772] [2023-11-25 00:07:31,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:07:31,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:07:31,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:07:31,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:07:31,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:07:31,539 INFO L87 Difference]: Start difference. First operand 4873 states and 7555 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43)