./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.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_66b3e05a-9cf8-40d0-9fbd-5bfbbcfc4a39/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b3e05a-9cf8-40d0-9fbd-5bfbbcfc4a39/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_66b3e05a-9cf8-40d0-9fbd-5bfbbcfc4a39/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b3e05a-9cf8-40d0-9fbd-5bfbbcfc4a39/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b3e05a-9cf8-40d0-9fbd-5bfbbcfc4a39/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_66b3e05a-9cf8-40d0-9fbd-5bfbbcfc4a39/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 4a1e17c33569fa40e536cd8c869720d5a80d6c0d7c343e9efbe1ac963f2ae01b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:12:12,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:12:12,846 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b3e05a-9cf8-40d0-9fbd-5bfbbcfc4a39/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:12:12,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:12:12,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:12:12,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:12:12,895 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:12:12,896 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:12:12,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:12:12,902 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:12:12,903 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:12:12,904 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:12:12,904 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:12:12,906 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:12:12,907 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:12:12,907 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:12:12,907 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:12:12,908 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:12:12,908 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:12:12,909 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:12:12,909 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:12:12,910 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:12:12,911 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:12:12,912 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:12:12,912 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:12:12,912 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:12:12,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:12:12,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:12:12,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:12:12,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:12:12,916 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:12:12,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:12:12,916 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:12:12,917 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:12:12,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:12,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:12:12,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:12:12,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:12:12,918 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:12:12,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:12:12,919 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:12:12,920 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:12:12,920 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:12:12,920 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:12:12,921 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_66b3e05a-9cf8-40d0-9fbd-5bfbbcfc4a39/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b3e05a-9cf8-40d0-9fbd-5bfbbcfc4a39/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a1e17c33569fa40e536cd8c869720d5a80d6c0d7c343e9efbe1ac963f2ae01b [2023-11-23 21:12:13,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:12:13,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:12:13,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:12:13,301 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:12:13,301 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:12:13,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b3e05a-9cf8-40d0-9fbd-5bfbbcfc4a39/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i [2023-11-23 21:12:16,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:12:17,226 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:12:17,226 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b3e05a-9cf8-40d0-9fbd-5bfbbcfc4a39/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i [2023-11-23 21:12:17,281 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b3e05a-9cf8-40d0-9fbd-5bfbbcfc4a39/bin/utaipan-verify-mE87zJ7Ire/data/1541da71e/7297c40f6a5a47d7b10e20c2d5e24f5f/FLAG58e25f73b [2023-11-23 21:12:17,296 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b3e05a-9cf8-40d0-9fbd-5bfbbcfc4a39/bin/utaipan-verify-mE87zJ7Ire/data/1541da71e/7297c40f6a5a47d7b10e20c2d5e24f5f [2023-11-23 21:12:17,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:12:17,300 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:12:17,302 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:17,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:12:17,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:12:17,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:17" (1/1) ... [2023-11-23 21:12:17,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@221a9385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:17, skipping insertion in model container [2023-11-23 21:12:17,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:17" (1/1) ... [2023-11-23 21:12:17,602 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:12:19,967 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_66b3e05a-9cf8-40d0-9fbd-5bfbbcfc4a39/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i[321673,321686] [2023-11-23 21:12:20,026 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-23 21:12:20,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:20,079 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:12:20,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6371] [2023-11-23 21:12:20,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6373] [2023-11-23 21:12:20,331 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"); [6383] [2023-11-23 21:12:20,332 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)); [6390] [2023-11-23 21:12:20,336 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; addl %1,%0": "+m" (v->counter): "ir" (i)); [6520] [2023-11-23 21:12:20,337 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; subl %1,%0": "+m" (v->counter): "ir" (i)); [6527] [2023-11-23 21:12:20,337 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; incl %0": "+m" (v->counter)); [6534] [2023-11-23 21:12:20,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6545] [2023-11-23 21:12:20,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6548] [2023-11-23 21:12:20,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6551] [2023-11-23 21:12:20,339 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6554] [2023-11-23 21:12:20,343 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6637] [2023-11-23 21:12:20,344 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6644] [2023-11-23 21:12:20,355 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)); [6838-6839] [2023-11-23 21:12:20,358 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)); [6867-6868] [2023-11-23 21:12:20,360 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" (108), "i" (12UL)); [6897-6898] [2023-11-23 21:12:20,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (& ((pool_levels *)arg)->buftype), "i" (4UL)); [10046-10047] [2023-11-23 21:12:20,675 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_66b3e05a-9cf8-40d0-9fbd-5bfbbcfc4a39/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i[321673,321686] [2023-11-23 21:12:20,691 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-23 21:12:20,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:20,807 WARN L675 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:20,807 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:20,807 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:12:20,815 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:12:20,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20 WrapperNode [2023-11-23 21:12:20,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:20,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:20,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:12:20,817 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:12:20,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:20,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:21,278 INFO L138 Inliner]: procedures = 252, calls = 2387, calls flagged for inlining = 114, calls inlined = 111, statements flattened = 6910 [2023-11-23 21:12:21,280 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:21,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:12:21,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:12:21,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:12:21,306 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:21,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:21,383 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:21,383 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:21,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:21,675 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:21,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:21,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:21,812 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:12:21,814 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:12:21,814 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:12:21,814 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:12:21,815 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (1/1) ... [2023-11-23 21:12:21,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:21,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b3e05a-9cf8-40d0-9fbd-5bfbbcfc4a39/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:21,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b3e05a-9cf8-40d0-9fbd-5bfbbcfc4a39/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:12:21,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66b3e05a-9cf8-40d0-9fbd-5bfbbcfc4a39/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:12:21,918 INFO L130 BoogieDeclarations]: Found specification of procedure atm_charge [2023-11-23 21:12:21,919 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_charge [2023-11-23 21:12:21,919 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2023-11-23 21:12:21,920 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2023-11-23 21:12:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure process_tsq [2023-11-23 21:12:21,921 INFO L138 BoogieDeclarations]: Found implementation of procedure process_tsq [2023-11-23 21:12:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:12:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-23 21:12:21,923 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-23 21:12:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:12:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:12:21,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:12:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:12:21,924 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:12:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-23 21:12:21,925 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-23 21:12:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure ns_open [2023-11-23 21:12:21,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_open [2023-11-23 21:12:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-23 21:12:21,925 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-23 21:12:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-23 21:12:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-23 21:12:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure ns_read_sram [2023-11-23 21:12:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_read_sram [2023-11-23 21:12:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure get_scq [2023-11-23 21:12:21,927 INFO L138 BoogieDeclarations]: Found implementation of procedure get_scq [2023-11-23 21:12:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:12:21,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:12:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_rx_buf [2023-11-23 21:12:21,927 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_rx_buf [2023-11-23 21:12:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 21:12:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 21:12:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:12:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:12:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure __net_timestamp [2023-11-23 21:12:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __net_timestamp [2023-11-23 21:12:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:12:21,929 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:12:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 21:12:21,929 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 21:12:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:12:21,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:12:21,931 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:12:21,931 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:12:21,931 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:12:21,931 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:12:21,932 INFO L130 BoogieDeclarations]: Found specification of procedure ns_ioctl [2023-11-23 21:12:21,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_ioctl [2023-11-23 21:12:21,932 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-23 21:12:21,932 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-23 21:12:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:12:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:12:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:12:21,933 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:12:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure process_rsq [2023-11-23 21:12:21,934 INFO L138 BoogieDeclarations]: Found implementation of procedure process_rsq [2023-11-23 21:12:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:12:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:12:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-23 21:12:21,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-23 21:12:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:12:21,935 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:12:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2023-11-23 21:12:21,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2023-11-23 21:12:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:12:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-23 21:12:21,937 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-23 21:12:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2023-11-23 21:12:21,937 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2023-11-23 21:12:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:12:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue_sm_buf [2023-11-23 21:12:21,938 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue_sm_buf [2023-11-23 21:12:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:12:21,938 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:12:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-23 21:12:21,938 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-23 21:12:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-23 21:12:21,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-23 21:12:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:12:21,939 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:12:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure push_rxbufs [2023-11-23 21:12:21,939 INFO L138 BoogieDeclarations]: Found implementation of procedure push_rxbufs [2023-11-23 21:12:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:12:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure ns_phy_get [2023-11-23 21:12:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_phy_get [2023-11-23 21:12:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:12:21,940 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:12:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 21:12:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 21:12:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-11-23 21:12:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-11-23 21:12:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:12:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure ns_close [2023-11-23 21:12:21,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_close [2023-11-23 21:12:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-23 21:12:21,942 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-23 21:12:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-23 21:12:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-23 21:12:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:12:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:12:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:12:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure nicstar_read_eprom [2023-11-23 21:12:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure nicstar_read_eprom [2023-11-23 21:12:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:12:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:12:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure ns_phy_put [2023-11-23 21:12:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_phy_put [2023-11-23 21:12:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 21:12:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 21:12:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_iov_buf [2023-11-23 21:12:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_iov_buf [2023-11-23 21:12:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-11-23 21:12:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-11-23 21:12:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:12:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:12:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:12:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:12:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:12:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-23 21:12:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-23 21:12:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure ns_send [2023-11-23 21:12:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_send [2023-11-23 21:12:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2023-11-23 21:12:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2023-11-23 21:12:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-23 21:12:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-23 21:12:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-23 21:12:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-23 21:12:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:12:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:12:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-23 21:12:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-23 21:12:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:12:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:12:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:12:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 21:12:21,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 21:12:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-23 21:12:21,963 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-23 21:12:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-23 21:12:21,963 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-23 21:12:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2023-11-23 21:12:21,964 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2023-11-23 21:12:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:12:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-23 21:12:21,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-23 21:12:21,964 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-23 21:12:21,964 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-23 21:12:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:12:21,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:12:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:12:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:12:21,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-23 21:12:21,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-23 21:12:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-11-23 21:12:21,966 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-11-23 21:12:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-23 21:12:21,966 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-23 21:12:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:12:21,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:12:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure free_scq [2023-11-23 21:12:21,967 INFO L138 BoogieDeclarations]: Found implementation of procedure free_scq [2023-11-23 21:12:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2023-11-23 21:12:21,967 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2023-11-23 21:12:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2023-11-23 21:12:21,968 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2023-11-23 21:12:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_iovec_rx_bufs [2023-11-23 21:12:21,968 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_iovec_rx_bufs [2023-11-23 21:12:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-11-23 21:12:21,968 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-11-23 21:12:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure nicstar_remove_one [2023-11-23 21:12:21,968 INFO L138 BoogieDeclarations]: Found implementation of procedure nicstar_remove_one [2023-11-23 21:12:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2023-11-23 21:12:21,969 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2023-11-23 21:12:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-23 21:12:21,969 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-23 21:12:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-23 21:12:21,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-23 21:12:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure ns_init_card_error [2023-11-23 21:12:21,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_init_card_error [2023-11-23 21:12:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-23 21:12:21,970 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-23 21:12:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-23 21:12:21,970 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-23 21:12:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 21:12:21,971 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 21:12:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure ns_write_sram [2023-11-23 21:12:21,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_write_sram [2023-11-23 21:12:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-11-23 21:12:21,971 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-11-23 21:12:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:12:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-23 21:12:21,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-23 21:12:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-11-23 21:12:21,972 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-11-23 21:12:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-23 21:12:21,972 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-23 21:12:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:12:21,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:12:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-11-23 21:12:21,973 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-11-23 21:12:23,025 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:12:23,033 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:12:24,034 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:12:30,823 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:12:34,954 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:12:34,955 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-23 21:12:34,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:34 BoogieIcfgContainer [2023-11-23 21:12:34,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:12:34,960 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:12:34,961 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:12:34,964 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:12:34,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:12:17" (1/3) ... [2023-11-23 21:12:34,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76777eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:34, skipping insertion in model container [2023-11-23 21:12:34,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:20" (2/3) ... [2023-11-23 21:12:34,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76777eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:34, skipping insertion in model container [2023-11-23 21:12:34,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:34" (3/3) ... [2023-11-23 21:12:34,968 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i [2023-11-23 21:12:34,989 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:12:34,990 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:12:35,086 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:12:35,093 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;@35be22cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:12:35,093 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:12:35,106 INFO L276 IsEmpty]: Start isEmpty. Operand has 1778 states, 1069 states have (on average 1.3274087932647334) internal successors, (1419), 1140 states have internal predecessors, (1419), 621 states have call successors, (621), 91 states have call predecessors, (621), 90 states have return successors, (615), 604 states have call predecessors, (615), 615 states have call successors, (615) [2023-11-23 21:12:35,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-23 21:12:35,128 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:35,129 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:35,129 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:35,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:35,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1183278391, now seen corresponding path program 1 times [2023-11-23 21:12:35,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:12:35,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572677102] [2023-11-23 21:12:35,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:35,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:12:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:35,961 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2023-11-23 21:12:35,961 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:12:35,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572677102] [2023-11-23 21:12:35,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572677102] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:12:35,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:12:35,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:12:35,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634655537] [2023-11-23 21:12:35,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:12:35,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:12:35,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:12:36,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:12:36,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:12:36,023 INFO L87 Difference]: Start difference. First operand has 1778 states, 1069 states have (on average 1.3274087932647334) internal successors, (1419), 1140 states have internal predecessors, (1419), 621 states have call successors, (621), 91 states have call predecessors, (621), 90 states have return successors, (615), 604 states have call predecessors, (615), 615 states have call successors, (615) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:12:38,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:41,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:43,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:50,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:52,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:54,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:56,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:58,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:59,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:12:59,407 INFO L93 Difference]: Finished difference Result 4822 states and 7264 transitions. [2023-11-23 21:12:59,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:12:59,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 114 [2023-11-23 21:12:59,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:12:59,462 INFO L225 Difference]: With dead ends: 4822 [2023-11-23 21:12:59,462 INFO L226 Difference]: Without dead ends: 3044 [2023-11-23 21:12:59,487 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 21:12:59,490 INFO L413 NwaCegarLoop]: 2526 mSDtfsCounter, 1930 mSDsluCounter, 2336 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 4 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1930 SdHoareTripleChecker+Valid, 4862 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:12:59,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1930 Valid, 4862 Invalid, 543 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 531 Invalid, 8 Unknown, 0 Unchecked, 23.0s Time] [2023-11-23 21:12:59,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3044 states. [2023-11-23 21:12:59,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3044 to 3041. [2023-11-23 21:12:59,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3041 states, 1832 states have (on average 1.3209606986899562) internal successors, (2420), 1942 states have internal predecessors, (2420), 1037 states have call successors, (1037), 172 states have call predecessors, (1037), 171 states have return successors, (1036), 1014 states have call predecessors, (1036), 1036 states have call successors, (1036) [2023-11-23 21:12:59,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 3041 states and 4493 transitions. [2023-11-23 21:12:59,805 INFO L78 Accepts]: Start accepts. Automaton has 3041 states and 4493 transitions. Word has length 114 [2023-11-23 21:12:59,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:12:59,810 INFO L495 AbstractCegarLoop]: Abstraction has 3041 states and 4493 transitions. [2023-11-23 21:12:59,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:12:59,811 INFO L276 IsEmpty]: Start isEmpty. Operand 3041 states and 4493 transitions. [2023-11-23 21:12:59,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-23 21:12:59,822 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:59,822 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:59,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:12:59,823 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:59,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:59,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1676928453, now seen corresponding path program 1 times [2023-11-23 21:12:59,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:12:59,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23857126] [2023-11-23 21:12:59,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:59,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:12:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:00,224 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2023-11-23 21:13:00,224 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:13:00,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23857126] [2023-11-23 21:13:00,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23857126] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:13:00,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:13:00,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:13:00,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015664745] [2023-11-23 21:13:00,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:13:00,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:13:00,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:13:00,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:13:00,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:13:00,230 INFO L87 Difference]: Start difference. First operand 3041 states and 4493 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 21:13:02,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:05,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:13:07,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []