./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--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_f9e09827-a042-4fdc-b7b4-8e0c320fda95/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9e09827-a042-4fdc-b7b4-8e0c320fda95/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9e09827-a042-4fdc-b7b4-8e0c320fda95/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9e09827-a042-4fdc-b7b4-8e0c320fda95/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9e09827-a042-4fdc-b7b4-8e0c320fda95/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9e09827-a042-4fdc-b7b4-8e0c320fda95/bin/utaipan-verify-YMUCfTKeje --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 7e20a2a63b20681973e7da2f472e7774f2d8f807c6228dba0d1eb9a52abaa4b7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:18:05,465 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:18:05,564 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9e09827-a042-4fdc-b7b4-8e0c320fda95/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 05:18:05,572 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:18:05,575 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:18:05,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:18:05,620 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:18:05,621 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:18:05,621 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:18:05,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:18:05,622 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:18:05,623 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:18:05,623 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:18:05,624 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:18:05,624 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:18:05,624 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:18:05,625 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:18:05,625 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:18:05,626 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:18:05,626 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:18:05,627 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:18:05,627 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:18:05,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:18:05,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:18:05,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:18:05,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:18:05,629 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:18:05,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:18:05,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:18:05,634 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:18:05,635 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:18:05,635 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:18:05,636 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:18:05,636 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:18:05,636 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:18:05,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:18:05,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:18:05,641 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:18:05,642 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:18:05,642 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:18:05,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:18:05,643 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:18:05,643 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:18:05,643 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:18:05,643 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_f9e09827-a042-4fdc-b7b4-8e0c320fda95/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9e09827-a042-4fdc-b7b4-8e0c320fda95/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e20a2a63b20681973e7da2f472e7774f2d8f807c6228dba0d1eb9a52abaa4b7 [2024-11-09 05:18:05,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:18:05,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:18:05,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:18:05,940 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:18:05,940 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:18:05,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9e09827-a042-4fdc-b7b4-8e0c320fda95/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-09 05:18:08,043 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:18:08,711 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:18:08,711 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9e09827-a042-4fdc-b7b4-8e0c320fda95/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i [2024-11-09 05:18:08,774 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9e09827-a042-4fdc-b7b4-8e0c320fda95/bin/utaipan-verify-YMUCfTKeje/data/8e860a932/67c71e0d503d459bb162b437e75fc9e6/FLAG9412b9b80 [2024-11-09 05:18:08,794 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9e09827-a042-4fdc-b7b4-8e0c320fda95/bin/utaipan-verify-YMUCfTKeje/data/8e860a932/67c71e0d503d459bb162b437e75fc9e6 [2024-11-09 05:18:08,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:18:08,799 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:18:08,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:18:08,802 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:18:08,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:18:08,808 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:18:08" (1/1) ... [2024-11-09 05:18:08,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@106920fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:18:08, skipping insertion in model container [2024-11-09 05:18:08,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:18:08" (1/1) ... [2024-11-09 05:18:09,060 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:18:12,507 WARN L250 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_f9e09827-a042-4fdc-b7b4-8e0c320fda95/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i[401891,401904] [2024-11-09 05:18:12,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:18:12,650 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:18:12,881 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"); [6442] [2024-11-09 05:18:12,883 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)); [6449] [2024-11-09 05:18:12,884 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [6457-6458] [2024-11-09 05:18:12,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [6471] [2024-11-09 05:18:12,890 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [6600] [2024-11-09 05:18:12,902 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" (84), "i" (12UL)); [6887-6888] [2024-11-09 05:18:12,904 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" (96), "i" (12UL)); [6911-6912] [2024-11-09 05:18:12,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1,%0\n adcl $0xffff,%0": "=r" (sum): "r" (sum << 16), "0" (sum & 4294901760U)); [6935] [2024-11-09 05:18:12,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1, %0\n adcl %2, %0\n adcl %3, %0\n adcl $0, %0\n": "=r" (sum): "g" (daddr), "g" (saddr), "g" (((int )len + (int )proto) << 8), "0" (sum)); [6943-6944] [2024-11-09 05:18:12,919 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/linux/netdevice.h"), "i" (507), "i" (12UL)); [7298-7299] [2024-11-09 05:18:12,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7304] [2024-11-09 05:18:13,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9595] [2024-11-09 05:18:13,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10501/dscv_tempdir/dscv/ri/43_2a/drivers/net/ethernet/atheros/atlx/atl1.c"), "i" (2223), "i" (12UL)); [9974-9975] [2024-11-09 05:18:13,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10501/dscv_tempdir/dscv/ri/43_2a/drivers/net/ethernet/atheros/atlx/atl1.c"), "i" (2289), "i" (12UL)); [10053-10054] [2024-11-09 05:18:13,150 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10134] [2024-11-09 05:18:13,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10255] [2024-11-09 05:18:13,344 WARN L250 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_f9e09827-a042-4fdc-b7b4-8e0c320fda95/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i[401891,401904] [2024-11-09 05:18:13,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:18:13,690 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:18:13,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:18:13 WrapperNode [2024-11-09 05:18:13,691 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:18:13,692 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:18:13,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:18:13,693 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:18:13,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:18:13" (1/1) ... [2024-11-09 05:18:13,845 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:18:13" (1/1) ... [2024-11-09 05:18:14,313 INFO L138 Inliner]: procedures = 404, calls = 4164, calls flagged for inlining = 230, calls inlined = 208, statements flattened = 12806 [2024-11-09 05:18:14,314 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:18:14,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:18:14,315 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:18:14,316 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:18:14,326 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:18:13" (1/1) ... [2024-11-09 05:18:14,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:18:13" (1/1) ... [2024-11-09 05:18:14,405 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:18:13" (1/1) ... [2024-11-09 05:18:14,405 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:18:13" (1/1) ... [2024-11-09 05:18:14,705 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:18:13" (1/1) ... [2024-11-09 05:18:14,787 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:18:13" (1/1) ... [2024-11-09 05:18:14,833 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:18:13" (1/1) ... [2024-11-09 05:18:14,865 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:18:13" (1/1) ... [2024-11-09 05:18:14,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:18:14,933 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:18:14,933 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:18:14,933 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:18:14,934 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:18:13" (1/1) ... [2024-11-09 05:18:14,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:18:14,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9e09827-a042-4fdc-b7b4-8e0c320fda95/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:18:14,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9e09827-a042-4fdc-b7b4-8e0c320fda95/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:18:14,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9e09827-a042-4fdc-b7b4-8e0c320fda95/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:18:15,009 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-09 05:18:15,009 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-09 05:18:15,010 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2024-11-09 05:18:15,010 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2024-11-09 05:18:15,010 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-09 05:18:15,011 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-09 05:18:15,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-09 05:18:15,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-09 05:18:15,011 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2024-11-09 05:18:15,012 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2024-11-09 05:18:15,012 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_link_chg_task [2024-11-09 05:18:15,012 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_link_chg_task [2024-11-09 05:18:15,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-09 05:18:15,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-09 05:18:15,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 05:18:15,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 05:18:15,014 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2024-11-09 05:18:15,015 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2024-11-09 05:18:15,015 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2024-11-09 05:18:15,015 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2024-11-09 05:18:15,015 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-11-09 05:18:15,015 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-11-09 05:18:15,015 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-09 05:18:15,015 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-09 05:18:15,015 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-09 05:18:15,015 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-09 05:18:15,015 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2024-11-09 05:18:15,016 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2024-11-09 05:18:15,016 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_sched_rings_clean [2024-11-09 05:18:15,016 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_sched_rings_clean [2024-11-09 05:18:15,016 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_check_link [2024-11-09 05:18:15,016 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_check_link [2024-11-09 05:18:15,016 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2024-11-09 05:18:15,017 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2024-11-09 05:18:15,017 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-09 05:18:15,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-09 05:18:15,018 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-09 05:18:15,018 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-09 05:18:15,018 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2024-11-09 05:18:15,018 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2024-11-09 05:18:15,018 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_init_hw [2024-11-09 05:18:15,018 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_init_hw [2024-11-09 05:18:15,019 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-09 05:18:15,019 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-09 05:18:15,019 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-09 05:18:15,019 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-09 05:18:15,020 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-09 05:18:15,020 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-09 05:18:15,020 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-09 05:18:15,021 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-09 05:18:15,021 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_reset_dev_task [2024-11-09 05:18:15,021 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_reset_dev_task [2024-11-09 05:18:15,021 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-09 05:18:15,021 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-09 05:18:15,021 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_irq_disable [2024-11-09 05:18:15,021 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_irq_disable [2024-11-09 05:18:15,021 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-09 05:18:15,022 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-09 05:18:15,022 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_up [2024-11-09 05:18:15,022 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_up [2024-11-09 05:18:15,022 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2024-11-09 05:18:15,022 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2024-11-09 05:18:15,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:18:15,022 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2024-11-09 05:18:15,022 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2024-11-09 05:18:15,022 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-09 05:18:15,022 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-09 05:18:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-09 05:18:15,023 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-09 05:18:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_write_phy_reg [2024-11-09 05:18:15,023 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_write_phy_reg [2024-11-09 05:18:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-09 05:18:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-09 05:18:15,023 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-09 05:18:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-09 05:18:15,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-09 05:18:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 05:18:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-09 05:18:15,024 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-09 05:18:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:18:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-09 05:18:15,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-09 05:18:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2024-11-09 05:18:15,024 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2024-11-09 05:18:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-09 05:18:15,024 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-09 05:18:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_resume [2024-11-09 05:18:15,024 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_resume [2024-11-09 05:18:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2024-11-09 05:18:15,025 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2024-11-09 05:18:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-09 05:18:15,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-09 05:18:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_imr_set [2024-11-09 05:18:15,025 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_imr_set [2024-11-09 05:18:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-09 05:18:15,025 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-09 05:18:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-09 05:18:15,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-09 05:18:15,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-09 05:18:15,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-09 05:18:15,028 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_reset [2024-11-09 05:18:15,029 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_reset [2024-11-09 05:18:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 05:18:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:18:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2024-11-09 05:18:15,029 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2024-11-09 05:18:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-09 05:18:15,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-09 05:18:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 05:18:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_free_ring_resources [2024-11-09 05:18:15,030 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_free_ring_resources [2024-11-09 05:18:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2024-11-09 05:18:15,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2024-11-09 05:18:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_get_speed_and_duplex [2024-11-09 05:18:15,030 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_get_speed_and_duplex [2024-11-09 05:18:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-11-09 05:18:15,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-11-09 05:18:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_down [2024-11-09 05:18:15,031 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_down [2024-11-09 05:18:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure __atlx_vlan_mode [2024-11-09 05:18:15,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __atlx_vlan_mode [2024-11-09 05:18:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2024-11-09 05:18:15,032 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2024-11-09 05:18:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-09 05:18:15,032 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-09 05:18:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:18:15,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:18:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2024-11-09 05:18:15,034 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2024-11-09 05:18:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-11-09 05:18:15,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-11-09 05:18:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-09 05:18:15,034 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-09 05:18:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-09 05:18:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 05:18:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-09 05:18:15,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-09 05:18:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2024-11-09 05:18:15,036 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2024-11-09 05:18:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-11-09 05:18:15,037 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-11-09 05:18:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_ioctl [2024-11-09 05:18:15,037 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_ioctl [2024-11-09 05:18:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_change_mtu [2024-11-09 05:18:15,037 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_change_mtu [2024-11-09 05:18:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_tx_timeout [2024-11-09 05:18:15,037 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_tx_timeout [2024-11-09 05:18:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2024-11-09 05:18:15,037 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2024-11-09 05:18:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-09 05:18:15,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-09 05:18:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-11-09 05:18:15,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-11-09 05:18:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_poll_controller [2024-11-09 05:18:15,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_poll_controller [2024-11-09 05:18:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-09 05:18:15,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-09 05:18:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 05:18:15,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 05:18:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:18:15,040 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:18:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-09 05:18:15,041 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-09 05:18:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2024-11-09 05:18:15,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2024-11-09 05:18:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:18:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-09 05:18:15,041 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-09 05:18:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_reset_hw [2024-11-09 05:18:15,041 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_reset_hw [2024-11-09 05:18:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-09 05:18:15,042 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-09 05:18:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 05:18:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-09 05:18:15,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-09 05:18:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2024-11-09 05:18:15,042 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2024-11-09 05:18:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-09 05:18:15,042 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-09 05:18:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_set_multi [2024-11-09 05:18:15,043 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_set_multi [2024-11-09 05:18:15,043 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-11-09 05:18:15,043 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-11-09 05:18:15,043 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_fix_features [2024-11-09 05:18:15,043 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_fix_features [2024-11-09 05:18:15,043 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-09 05:18:15,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-09 05:18:15,043 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-09 05:18:15,043 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-09 05:18:15,043 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-11-09 05:18:15,043 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-11-09 05:18:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_vlan_mode [2024-11-09 05:18:15,044 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_vlan_mode [2024-11-09 05:18:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_set_mac_addr [2024-11-09 05:18:15,044 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_set_mac_addr [2024-11-09 05:18:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-09 05:18:15,044 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-09 05:18:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2024-11-09 05:18:15,044 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2024-11-09 05:18:15,045 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-09 05:18:15,045 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-09 05:18:15,045 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_clean_rx_ring [2024-11-09 05:18:15,046 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_clean_rx_ring [2024-11-09 05:18:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2024-11-09 05:18:15,046 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2024-11-09 05:18:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2024-11-09 05:18:15,046 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2024-11-09 05:18:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-09 05:18:15,046 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-09 05:18:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_set_features [2024-11-09 05:18:15,047 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_set_features [2024-11-09 05:18:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:18:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-09 05:18:15,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-09 05:18:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-09 05:18:15,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-09 05:18:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-11-09 05:18:15,047 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-11-09 05:18:15,048 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_set_mac [2024-11-09 05:18:15,048 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_set_mac [2024-11-09 05:18:15,048 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_suspend [2024-11-09 05:18:15,048 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_suspend [2024-11-09 05:18:15,049 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_clean_tx_ring [2024-11-09 05:18:15,050 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_clean_tx_ring [2024-11-09 05:18:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-09 05:18:15,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-09 05:18:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_phy_setup_autoneg_adv [2024-11-09 05:18:15,050 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_phy_setup_autoneg_adv [2024-11-09 05:18:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2024-11-09 05:18:15,051 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2024-11-09 05:18:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_intr [2024-11-09 05:18:15,051 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_intr [2024-11-09 05:18:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-11-09 05:18:15,051 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-11-09 05:18:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_read_phy_reg [2024-11-09 05:18:15,051 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_read_phy_reg [2024-11-09 05:18:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-09 05:18:15,052 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-09 05:18:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-09 05:18:15,052 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-09 05:18:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2024-11-09 05:18:15,052 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2024-11-09 05:18:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_setup_ring_resources [2024-11-09 05:18:15,052 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_setup_ring_resources [2024-11-09 05:18:15,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:18:15,053 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_alloc_rx_buffers [2024-11-09 05:18:15,053 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_alloc_rx_buffers [2024-11-09 05:18:16,189 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:18:16,196 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:18:16,499 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-09 05:19:07,729 INFO L? ?]: Removed 3469 outVars from TransFormulas that were not future-live. [2024-11-09 05:19:07,730 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:19:31,138 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:19:31,138 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:19:31,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:19:31 BoogieIcfgContainer [2024-11-09 05:19:31,139 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:19:31,142 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:19:31,142 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:19:31,145 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:19:31,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:18:08" (1/3) ... [2024-11-09 05:19:31,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428f426b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:19:31, skipping insertion in model container [2024-11-09 05:19:31,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:18:13" (2/3) ... [2024-11-09 05:19:31,147 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428f426b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:19:31, skipping insertion in model container [2024-11-09 05:19:31,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:19:31" (3/3) ... [2024-11-09 05:19:31,148 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i [2024-11-09 05:19:31,167 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:19:31,168 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:19:31,286 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:19:31,293 INFO L333 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, 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;@3ed69908, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:19:31,293 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:19:31,305 INFO L276 IsEmpty]: Start isEmpty. Operand has 1909 states, 1200 states have (on average 1.3316666666666668) internal successors, (1598), 1231 states have internal predecessors, (1598), 592 states have call successors, (592), 116 states have call predecessors, (592), 115 states have return successors, (581), 578 states have call predecessors, (581), 581 states have call successors, (581) [2024-11-09 05:19:31,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-09 05:19:31,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:19:31,337 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:19:31,337 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:19:31,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:19:31,343 INFO L85 PathProgramCache]: Analyzing trace with hash -638284732, now seen corresponding path program 1 times [2024-11-09 05:19:31,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:19:31,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996054403] [2024-11-09 05:19:31,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:19:31,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:19:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:19:40,856 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2024-11-09 05:19:40,856 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:19:40,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996054403] [2024-11-09 05:19:40,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996054403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:19:40,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:19:40,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:19:40,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90766196] [2024-11-09 05:19:40,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:19:40,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:19:40,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:19:40,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:19:40,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:19:40,908 INFO L87 Difference]: Start difference. First operand has 1909 states, 1200 states have (on average 1.3316666666666668) internal successors, (1598), 1231 states have internal predecessors, (1598), 592 states have call successors, (592), 116 states have call predecessors, (592), 115 states have return successors, (581), 578 states have call predecessors, (581), 581 states have call successors, (581) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 05:19:43,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:19:46,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:19:47,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:19:50,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:19:52,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:19:54,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:00,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:02,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:04,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:07,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:09,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:11,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:13,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:17,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:18,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:20:18,216 INFO L93 Difference]: Finished difference Result 5236 states and 7624 transitions. [2024-11-09 05:20:18,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:20:18,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 212 [2024-11-09 05:20:18,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:20:18,275 INFO L225 Difference]: With dead ends: 5236 [2024-11-09 05:20:18,275 INFO L226 Difference]: Without dead ends: 3331 [2024-11-09 05:20:18,294 INFO L431 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 [2024-11-09 05:20:18,299 INFO L432 NwaCegarLoop]: 2406 mSDtfsCounter, 2152 mSDsluCounter, 2258 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 7 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2152 SdHoareTripleChecker+Valid, 4664 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:20:18,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2152 Valid, 4664 Invalid, 815 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 796 Invalid, 12 Unknown, 0 Unchecked, 36.9s Time] [2024-11-09 05:20:18,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3331 states. [2024-11-09 05:20:18,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3331 to 3307. [2024-11-09 05:20:18,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3307 states, 2094 states have (on average 1.319484240687679) internal successors, (2763), 2130 states have internal predecessors, (2763), 1005 states have call successors, (1005), 208 states have call predecessors, (1005), 207 states have return successors, (1004), 995 states have call predecessors, (1004), 1004 states have call successors, (1004) [2024-11-09 05:20:18,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3307 states to 3307 states and 4772 transitions. [2024-11-09 05:20:18,620 INFO L78 Accepts]: Start accepts. Automaton has 3307 states and 4772 transitions. Word has length 212 [2024-11-09 05:20:18,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:20:18,626 INFO L471 AbstractCegarLoop]: Abstraction has 3307 states and 4772 transitions. [2024-11-09 05:20:18,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-09 05:20:18,627 INFO L276 IsEmpty]: Start isEmpty. Operand 3307 states and 4772 transitions. [2024-11-09 05:20:18,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2024-11-09 05:20:18,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:20:18,643 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:20:18,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:20:18,644 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:20:18,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:20:18,644 INFO L85 PathProgramCache]: Analyzing trace with hash -186252581, now seen corresponding path program 1 times [2024-11-09 05:20:18,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:20:18,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421952919] [2024-11-09 05:20:18,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:20:18,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:20:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:20:26,238 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 603 trivial. 0 not checked. [2024-11-09 05:20:26,238 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:20:26,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421952919] [2024-11-09 05:20:26,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421952919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:20:26,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:20:26,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:20:26,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505836785] [2024-11-09 05:20:26,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:20:26,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:20:26,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:20:26,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:20:26,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:20:26,245 INFO L87 Difference]: Start difference. First operand 3307 states and 4772 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-09 05:20:28,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:31,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:33,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:39,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:41,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:43,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:45,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:47,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:49,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:52,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:54,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:56,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:20:58,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:21:01,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:21:04,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:21:05,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:21:05,186 INFO L93 Difference]: Finished difference Result 9414 states and 13528 transitions. [2024-11-09 05:21:05,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:21:05,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 243 [2024-11-09 05:21:05,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:21:05,234 INFO L225 Difference]: With dead ends: 9414 [2024-11-09 05:21:05,235 INFO L226 Difference]: Without dead ends: 6146 [2024-11-09 05:21:05,251 INFO L431 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 [2024-11-09 05:21:05,252 INFO L432 NwaCegarLoop]: 2444 mSDtfsCounter, 2413 mSDsluCounter, 2285 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 2 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2413 SdHoareTripleChecker+Valid, 4729 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:21:05,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2413 Valid, 4729 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 750 Invalid, 13 Unknown, 0 Unchecked, 38.6s Time] [2024-11-09 05:21:05,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6146 states. [2024-11-09 05:21:05,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6146 to 6143. [2024-11-09 05:21:05,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6143 states, 3873 states have (on average 1.3119029176349084) internal successors, (5081), 3941 states have internal predecessors, (5081), 1864 states have call successors, (1864), 406 states have call predecessors, (1864), 405 states have return successors, (1863), 1845 states have call predecessors, (1863), 1863 states have call successors, (1863) [2024-11-09 05:21:05,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6143 states to 6143 states and 8808 transitions. [2024-11-09 05:21:05,597 INFO L78 Accepts]: Start accepts. Automaton has 6143 states and 8808 transitions. Word has length 243 [2024-11-09 05:21:05,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:21:05,599 INFO L471 AbstractCegarLoop]: Abstraction has 6143 states and 8808 transitions. [2024-11-09 05:21:05,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-09 05:21:05,600 INFO L276 IsEmpty]: Start isEmpty. Operand 6143 states and 8808 transitions. [2024-11-09 05:21:05,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-11-09 05:21:05,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:21:05,619 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 6, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:21:05,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:21:05,620 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:21:05,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:21:05,621 INFO L85 PathProgramCache]: Analyzing trace with hash 637972080, now seen corresponding path program 1 times [2024-11-09 05:21:05,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:21:05,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174517577] [2024-11-09 05:21:05,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:21:05,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms