./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 9bd2c7ff 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_7e8e4215-795c-43ad-b6fa-3a653acc0bda/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8e4215-795c-43ad-b6fa-3a653acc0bda/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8e4215-795c-43ad-b6fa-3a653acc0bda/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8e4215-795c-43ad-b6fa-3a653acc0bda/bin/utaipan-verify-t7M7D8N6sZ/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_7e8e4215-795c-43ad-b6fa-3a653acc0bda/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8e4215-795c-43ad-b6fa-3a653acc0bda/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4a1e17c33569fa40e536cd8c869720d5a80d6c0d7c343e9efbe1ac963f2ae01b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:11:47,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:11:48,090 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8e4215-795c-43ad-b6fa-3a653acc0bda/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:11:48,098 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:11:48,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:11:48,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:11:48,129 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:11:48,130 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:11:48,131 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:11:48,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:11:48,132 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:11:48,133 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:11:48,134 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:11:48,135 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:11:48,135 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:11:48,136 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:11:48,137 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:11:48,138 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:11:48,138 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:11:48,139 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:11:48,140 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:11:48,141 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:11:48,142 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:11:48,143 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:11:48,143 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:11:48,144 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:11:48,144 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:11:48,145 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:11:48,146 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:11:48,146 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:11:48,147 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:11:48,147 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:11:48,148 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:11:48,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:11:48,149 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:11:48,149 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:11:48,150 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:11:48,150 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:11:48,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:11:48,151 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:11:48,152 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:11:48,154 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:11:48,154 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_7e8e4215-795c-43ad-b6fa-3a653acc0bda/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8e4215-795c-43ad-b6fa-3a653acc0bda/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a1e17c33569fa40e536cd8c869720d5a80d6c0d7c343e9efbe1ac963f2ae01b [2023-11-19 05:11:48,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:11:48,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:11:48,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:11:48,570 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:11:48,571 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:11:48,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8e4215-795c-43ad-b6fa-3a653acc0bda/bin/utaipan-verify-t7M7D8N6sZ/../../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 [2023-11-19 05:11:52,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:11:52,836 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:11:52,838 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8e4215-795c-43ad-b6fa-3a653acc0bda/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 [2023-11-19 05:11:52,896 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8e4215-795c-43ad-b6fa-3a653acc0bda/bin/utaipan-verify-t7M7D8N6sZ/data/24e29ab09/2c644ef8a5c741c7ad2bf075577fcf75/FLAG3f8ee45b3 [2023-11-19 05:11:52,915 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8e4215-795c-43ad-b6fa-3a653acc0bda/bin/utaipan-verify-t7M7D8N6sZ/data/24e29ab09/2c644ef8a5c741c7ad2bf075577fcf75 [2023-11-19 05:11:52,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:11:52,920 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:11:52,922 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:11:52,922 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:11:52,929 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:11:52,930 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:11:52" (1/1) ... [2023-11-19 05:11:52,931 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de19ef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:52, skipping insertion in model container [2023-11-19 05:11:52,931 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:11:52" (1/1) ... [2023-11-19 05:11:53,145 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:11:56,201 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_7e8e4215-795c-43ad-b6fa-3a653acc0bda/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] [2023-11-19 05:11:56,276 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-19 05:11:56,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:11:56,344 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:11:56,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6371] [2023-11-19 05:11:56,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6373] [2023-11-19 05:11:56,531 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] [2023-11-19 05:11:56,532 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] [2023-11-19 05:11:56,537 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] [2023-11-19 05:11:56,537 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] [2023-11-19 05:11:56,538 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] [2023-11-19 05:11:56,538 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6545] [2023-11-19 05:11:56,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6548] [2023-11-19 05:11:56,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6551] [2023-11-19 05:11:56,540 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6554] [2023-11-19 05:11:56,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6637] [2023-11-19 05:11:56,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6644] [2023-11-19 05:11:56,561 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] [2023-11-19 05:11:56,565 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] [2023-11-19 05:11:56,567 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] [2023-11-19 05:11:56,916 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] [2023-11-19 05:11:56,994 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_7e8e4215-795c-43ad-b6fa-3a653acc0bda/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] [2023-11-19 05:11:57,008 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-19 05:11:57,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:11:57,113 WARN L675 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:11:57,113 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:11:57,113 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:11:57,122 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:11:57,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:57 WrapperNode [2023-11-19 05:11:57,123 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:11:57,128 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:11:57,128 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:11:57,128 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:11:57,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:57" (1/1) ... [2023-11-19 05:11:57,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:57" (1/1) ... [2023-11-19 05:11:57,549 INFO L138 Inliner]: procedures = 252, calls = 2387, calls flagged for inlining = 114, calls inlined = 111, statements flattened = 6910 [2023-11-19 05:11:57,550 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:11:57,551 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:11:57,552 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:11:57,552 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:11:57,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:57" (1/1) ... [2023-11-19 05:11:57,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:57" (1/1) ... [2023-11-19 05:11:57,668 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:57" (1/1) ... [2023-11-19 05:11:57,668 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:57" (1/1) ... [2023-11-19 05:11:57,914 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:57" (1/1) ... [2023-11-19 05:11:57,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:57" (1/1) ... [2023-11-19 05:11:57,996 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:57" (1/1) ... [2023-11-19 05:11:58,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:57" (1/1) ... [2023-11-19 05:11:58,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:11:58,076 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:11:58,076 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:11:58,076 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:11:58,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:57" (1/1) ... [2023-11-19 05:11:58,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:11:58,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8e4215-795c-43ad-b6fa-3a653acc0bda/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:11:58,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8e4215-795c-43ad-b6fa-3a653acc0bda/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:11:58,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e8e4215-795c-43ad-b6fa-3a653acc0bda/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:11:58,151 INFO L130 BoogieDeclarations]: Found specification of procedure atm_charge [2023-11-19 05:11:58,151 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_charge [2023-11-19 05:11:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2023-11-19 05:11:58,152 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2023-11-19 05:11:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure process_tsq [2023-11-19 05:11:58,152 INFO L138 BoogieDeclarations]: Found implementation of procedure process_tsq [2023-11-19 05:11:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:11:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-19 05:11:58,153 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-19 05:11:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:11:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:11:58,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:11:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:11:58,154 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:11:58,154 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-19 05:11:58,154 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-19 05:11:58,154 INFO L130 BoogieDeclarations]: Found specification of procedure ns_open [2023-11-19 05:11:58,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_open [2023-11-19 05:11:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-19 05:11:58,155 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-19 05:11:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 05:11:58,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 05:11:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure ns_read_sram [2023-11-19 05:11:58,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_read_sram [2023-11-19 05:11:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure get_scq [2023-11-19 05:11:58,156 INFO L138 BoogieDeclarations]: Found implementation of procedure get_scq [2023-11-19 05:11:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:11:58,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:11:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_rx_buf [2023-11-19 05:11:58,156 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_rx_buf [2023-11-19 05:11:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 05:11:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 05:11:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 05:11:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 05:11:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure __net_timestamp [2023-11-19 05:11:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __net_timestamp [2023-11-19 05:11:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 05:11:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 05:11:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 05:11:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 05:11:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:11:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:11:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:11:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:11:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 05:11:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 05:11:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure ns_ioctl [2023-11-19 05:11:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_ioctl [2023-11-19 05:11:58,160 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-19 05:11:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-19 05:11:58,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:11:58,160 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 05:11:58,161 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 05:11:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 05:11:58,161 INFO L130 BoogieDeclarations]: Found specification of procedure process_rsq [2023-11-19 05:11:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure process_rsq [2023-11-19 05:11:58,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:11:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 05:11:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 05:11:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 05:11:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 05:11:58,163 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 05:11:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2023-11-19 05:11:58,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2023-11-19 05:11:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:11:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-19 05:11:58,164 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-19 05:11:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2023-11-19 05:11:58,164 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2023-11-19 05:11:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:11:58,164 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue_sm_buf [2023-11-19 05:11:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue_sm_buf [2023-11-19 05:11:58,165 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:11:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:11:58,165 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-19 05:11:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-19 05:11:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-19 05:11:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-19 05:11:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 05:11:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 05:11:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure push_rxbufs [2023-11-19 05:11:58,167 INFO L138 BoogieDeclarations]: Found implementation of procedure push_rxbufs [2023-11-19 05:11:58,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:11:58,167 INFO L130 BoogieDeclarations]: Found specification of procedure ns_phy_get [2023-11-19 05:11:58,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_phy_get [2023-11-19 05:11:58,167 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 05:11:58,168 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 05:11:58,168 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 05:11:58,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 05:11:58,168 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-11-19 05:11:58,169 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-11-19 05:11:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:11:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure ns_close [2023-11-19 05:11:58,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_close [2023-11-19 05:11:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-19 05:11:58,170 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-19 05:11:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-19 05:11:58,170 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-19 05:11:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:11:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 05:11:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 05:11:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure nicstar_read_eprom [2023-11-19 05:11:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure nicstar_read_eprom [2023-11-19 05:11:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 05:11:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 05:11:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure ns_phy_put [2023-11-19 05:11:58,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_phy_put [2023-11-19 05:11:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 05:11:58,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 05:11:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_iov_buf [2023-11-19 05:11:58,172 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_iov_buf [2023-11-19 05:11:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-11-19 05:11:58,173 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-11-19 05:11:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:11:58,173 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:11:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:11:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 05:11:58,174 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 05:11:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-19 05:11:58,174 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-19 05:11:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure ns_send [2023-11-19 05:11:58,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_send [2023-11-19 05:11:58,175 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2023-11-19 05:11:58,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2023-11-19 05:11:58,175 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-19 05:11:58,175 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-19 05:11:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 05:11:58,176 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 05:11:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:11:58,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:11:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-19 05:11:58,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-19 05:11:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 05:11:58,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 05:11:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:11:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 05:11:58,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 05:11:58,178 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-19 05:11:58,178 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-19 05:11:58,178 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-19 05:11:58,178 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-19 05:11:58,178 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2023-11-19 05:11:58,178 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2023-11-19 05:11:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:11:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 05:11:58,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 05:11:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-19 05:11:58,179 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-19 05:11:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 05:11:58,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 05:11:58,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:11:58,180 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 05:11:58,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 05:11:58,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 05:11:58,180 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-11-19 05:11:58,181 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-11-19 05:11:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 05:11:58,181 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 05:11:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 05:11:58,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 05:11:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure free_scq [2023-11-19 05:11:58,182 INFO L138 BoogieDeclarations]: Found implementation of procedure free_scq [2023-11-19 05:11:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2023-11-19 05:11:58,182 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2023-11-19 05:11:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2023-11-19 05:11:58,182 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2023-11-19 05:11:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure recycle_iovec_rx_bufs [2023-11-19 05:11:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure recycle_iovec_rx_bufs [2023-11-19 05:11:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-11-19 05:11:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-11-19 05:11:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure nicstar_remove_one [2023-11-19 05:11:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure nicstar_remove_one [2023-11-19 05:11:58,184 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2023-11-19 05:11:58,184 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2023-11-19 05:11:58,184 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 05:11:58,184 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 05:11:58,184 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-19 05:11:58,184 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-19 05:11:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure ns_init_card_error [2023-11-19 05:11:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_init_card_error [2023-11-19 05:11:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-19 05:11:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-19 05:11:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-19 05:11:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-19 05:11:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 05:11:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 05:11:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure ns_write_sram [2023-11-19 05:11:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_write_sram [2023-11-19 05:11:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-11-19 05:11:58,187 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-11-19 05:11:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:11:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 05:11:58,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 05:11:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-11-19 05:11:58,187 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-11-19 05:11:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-19 05:11:58,188 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-19 05:11:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:11:58,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:11:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-11-19 05:11:58,188 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-11-19 05:11:59,147 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:11:59,152 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:12:00,565 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:12:08,438 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:12:13,669 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:12:13,670 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 05:12:13,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:12:13 BoogieIcfgContainer [2023-11-19 05:12:13,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:12:13,692 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:12:13,693 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:12:13,697 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:12:13,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:11:52" (1/3) ... [2023-11-19 05:12:13,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20cd021c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:12:13, skipping insertion in model container [2023-11-19 05:12:13,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:57" (2/3) ... [2023-11-19 05:12:13,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20cd021c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:12:13, skipping insertion in model container [2023-11-19 05:12:13,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:12:13" (3/3) ... [2023-11-19 05:12:13,703 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--atm--nicstar.ko-entry_point.cil.out.i [2023-11-19 05:12:13,728 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:12:13,728 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:12:13,860 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:12:13,872 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;@125ff605, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:12:13,873 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:12:13,888 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) [2023-11-19 05:12:13,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-19 05:12:13,914 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:13,915 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] [2023-11-19 05:12:13,916 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:13,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:13,923 INFO L85 PathProgramCache]: Analyzing trace with hash -591406410, now seen corresponding path program 1 times [2023-11-19 05:12:13,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:12:13,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838064766] [2023-11-19 05:12:13,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:13,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:12:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:14,953 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2023-11-19 05:12:14,954 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:12:14,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838064766] [2023-11-19 05:12:14,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838064766] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:12:14,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:12:14,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:12:14,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447463702] [2023-11-19 05:12:14,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:14,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:12:14,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:12:15,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:12:15,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:12:15,058 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) [2023-11-19 05:12:17,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:12:22,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:12:23,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:12:25,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:12:27,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:12:29,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:12:31,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:12:34,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:12:35,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:12:35,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:12:35,569 INFO L93 Difference]: Finished difference Result 4822 states and 7264 transitions. [2023-11-19 05:12:35,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:12:35,572 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 [2023-11-19 05:12:35,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:12:35,626 INFO L225 Difference]: With dead ends: 4822 [2023-11-19 05:12:35,627 INFO L226 Difference]: Without dead ends: 3044 [2023-11-19 05:12:35,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:12:35,664 INFO L413 NwaCegarLoop]: 2526 mSDtfsCounter, 1930 mSDsluCounter, 2336 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1930 SdHoareTripleChecker+Valid, 4862 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:12:35,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1930 Valid, 4862 Invalid, 541 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 534 Invalid, 3 Unknown, 0 Unchecked, 20.0s Time] [2023-11-19 05:12:35,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3044 states. [2023-11-19 05:12:36,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3044 to 3041. [2023-11-19 05:12:36,102 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) [2023-11-19 05:12:36,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 3041 states and 4493 transitions. [2023-11-19 05:12:36,164 INFO L78 Accepts]: Start accepts. Automaton has 3041 states and 4493 transitions. Word has length 114 [2023-11-19 05:12:36,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:12:36,170 INFO L495 AbstractCegarLoop]: Abstraction has 3041 states and 4493 transitions. [2023-11-19 05:12:36,170 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) [2023-11-19 05:12:36,171 INFO L276 IsEmpty]: Start isEmpty. Operand 3041 states and 4493 transitions. [2023-11-19 05:12:36,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-19 05:12:36,186 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:36,186 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] [2023-11-19 05:12:36,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:12:36,187 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:36,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:36,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1285432278, now seen corresponding path program 1 times [2023-11-19 05:12:36,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:12:36,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650879217] [2023-11-19 05:12:36,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:36,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:12:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:36,621 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2023-11-19 05:12:36,622 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:12:36,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650879217] [2023-11-19 05:12:36,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650879217] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:12:36,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:12:36,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:12:36,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624476393] [2023-11-19 05:12:36,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:36,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:12:36,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:12:36,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:12:36,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:12:36,626 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)