./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bfcddaa-68af-4a79-ac1e-af6a6b15e4a2/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bfcddaa-68af-4a79-ac1e-af6a6b15e4a2/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bfcddaa-68af-4a79-ac1e-af6a6b15e4a2/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bfcddaa-68af-4a79-ac1e-af6a6b15e4a2/bin/utaipan-verify-nQ1chXbOIh/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_5bfcddaa-68af-4a79-ac1e-af6a6b15e4a2/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bfcddaa-68af-4a79-ac1e-af6a6b15e4a2/bin/utaipan-verify-nQ1chXbOIh --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 0.2.4-dev-0e0057c [2023-12-02 13:17:47,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:17:47,674 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bfcddaa-68af-4a79-ac1e-af6a6b15e4a2/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 13:17:47,679 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:17:47,679 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:17:47,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:17:47,703 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:17:47,703 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:17:47,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:17:47,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:17:47,705 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:17:47,706 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:17:47,706 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:17:47,707 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:17:47,707 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:17:47,708 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:17:47,708 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:17:47,708 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:17:47,709 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:17:47,709 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:17:47,710 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:17:47,710 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:17:47,711 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:17:47,711 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:17:47,712 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:17:47,712 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:17:47,713 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:17:47,713 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:17:47,713 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:17:47,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:17:47,714 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:17:47,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:17:47,715 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:17:47,715 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:17:47,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:17:47,715 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:17:47,715 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:17:47,715 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:17:47,716 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:17:47,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:17:47,716 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:17:47,716 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:17:47,717 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:17:47,717 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:17:47,717 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_5bfcddaa-68af-4a79-ac1e-af6a6b15e4a2/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bfcddaa-68af-4a79-ac1e-af6a6b15e4a2/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e20a2a63b20681973e7da2f472e7774f2d8f807c6228dba0d1eb9a52abaa4b7 [2023-12-02 13:17:47,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:17:47,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:17:47,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:17:47,956 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:17:47,957 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:17:47,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bfcddaa-68af-4a79-ac1e-af6a6b15e4a2/bin/utaipan-verify-nQ1chXbOIh/../../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 [2023-12-02 13:17:50,744 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:17:51,230 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:17:51,230 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bfcddaa-68af-4a79-ac1e-af6a6b15e4a2/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 [2023-12-02 13:17:51,274 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bfcddaa-68af-4a79-ac1e-af6a6b15e4a2/bin/utaipan-verify-nQ1chXbOIh/data/7bc8ec2bc/cca6e50377a2486c89ce056bf5633cb1/FLAG1f565a9e6 [2023-12-02 13:17:51,287 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bfcddaa-68af-4a79-ac1e-af6a6b15e4a2/bin/utaipan-verify-nQ1chXbOIh/data/7bc8ec2bc/cca6e50377a2486c89ce056bf5633cb1 [2023-12-02 13:17:51,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:17:51,290 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:17:51,291 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:17:51,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:17:51,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:17:51,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:17:51" (1/1) ... [2023-12-02 13:17:51,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ba450a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:51, skipping insertion in model container [2023-12-02 13:17:51,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:17:51" (1/1) ... [2023-12-02 13:17:51,620 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:17:54,132 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_5bfcddaa-68af-4a79-ac1e-af6a6b15e4a2/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] [2023-12-02 13:17:54,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:17:54,288 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:17:54,407 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] [2023-12-02 13:17:54,409 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] [2023-12-02 13:17:54,409 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] [2023-12-02 13:17:54,410 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [6471] [2023-12-02 13:17:54,414 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [6600] [2023-12-02 13:17:54,424 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] [2023-12-02 13:17:54,425 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] [2023-12-02 13:17:54,426 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] [2023-12-02 13:17:54,427 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] [2023-12-02 13:17:54,437 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] [2023-12-02 13:17:54,437 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7304] [2023-12-02 13:17:54,601 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9595] [2023-12-02 13:17:54,620 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] [2023-12-02 13:17:54,624 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] [2023-12-02 13:17:54,628 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10134] [2023-12-02 13:17:54,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10255] [2023-12-02 13:17:54,793 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_5bfcddaa-68af-4a79-ac1e-af6a6b15e4a2/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] [2023-12-02 13:17:54,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:17:54,995 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:17:54,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:54 WrapperNode [2023-12-02 13:17:54,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:17:54,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:17:54,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:17:54,996 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:17:55,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:54" (1/1) ... [2023-12-02 13:17:55,101 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:54" (1/1) ... [2023-12-02 13:17:55,359 INFO L138 Inliner]: procedures = 405, calls = 3624, calls flagged for inlining = 230, calls inlined = 208, statements flattened = 12122 [2023-12-02 13:17:55,359 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:17:55,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:17:55,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:17:55,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:17:55,367 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:54" (1/1) ... [2023-12-02 13:17:55,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:54" (1/1) ... [2023-12-02 13:17:55,413 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:54" (1/1) ... [2023-12-02 13:17:55,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:54" (1/1) ... [2023-12-02 13:17:55,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:54" (1/1) ... [2023-12-02 13:17:55,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:54" (1/1) ... [2023-12-02 13:17:55,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:54" (1/1) ... [2023-12-02 13:17:55,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:54" (1/1) ... [2023-12-02 13:17:55,764 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:17:55,765 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:17:55,766 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:17:55,766 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:17:55,767 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:54" (1/1) ... [2023-12-02 13:17:55,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:17:55,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bfcddaa-68af-4a79-ac1e-af6a6b15e4a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:17:55,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bfcddaa-68af-4a79-ac1e-af6a6b15e4a2/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:17:55,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bfcddaa-68af-4a79-ac1e-af6a6b15e4a2/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:17:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-12-02 13:17:55,837 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-12-02 13:17:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2023-12-02 13:17:55,837 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2023-12-02 13:17:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-12-02 13:17:55,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-12-02 13:17:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-12-02 13:17:55,838 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-12-02 13:17:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2023-12-02 13:17:55,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2023-12-02 13:17:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_link_chg_task [2023-12-02 13:17:55,839 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_link_chg_task [2023-12-02 13:17:55,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-12-02 13:17:55,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-12-02 13:17:55,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 13:17:55,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 13:17:55,840 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2023-12-02 13:17:55,840 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2023-12-02 13:17:55,840 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2023-12-02 13:17:55,840 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2023-12-02 13:17:55,840 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-12-02 13:17:55,840 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-12-02 13:17:55,841 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-12-02 13:17:55,841 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-12-02 13:17:55,841 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-12-02 13:17:55,841 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-12-02 13:17:55,841 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-12-02 13:17:55,841 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-12-02 13:17:55,841 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_sched_rings_clean [2023-12-02 13:17:55,841 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_sched_rings_clean [2023-12-02 13:17:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_check_link [2023-12-02 13:17:55,842 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_check_link [2023-12-02 13:17:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-12-02 13:17:55,842 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-12-02 13:17:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-12-02 13:17:55,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-12-02 13:17:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-12-02 13:17:55,842 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-12-02 13:17:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2023-12-02 13:17:55,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2023-12-02 13:17:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_init_hw [2023-12-02 13:17:55,843 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_init_hw [2023-12-02 13:17:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-12-02 13:17:55,843 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-12-02 13:17:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-12-02 13:17:55,843 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-12-02 13:17:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-12-02 13:17:55,843 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-12-02 13:17:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-12-02 13:17:55,844 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-12-02 13:17:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_reset_dev_task [2023-12-02 13:17:55,844 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_reset_dev_task [2023-12-02 13:17:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-12-02 13:17:55,844 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-12-02 13:17:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_irq_disable [2023-12-02 13:17:55,845 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_irq_disable [2023-12-02 13:17:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-12-02 13:17:55,845 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-12-02 13:17:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_up [2023-12-02 13:17:55,845 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_up [2023-12-02 13:17:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-12-02 13:17:55,845 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-12-02 13:17:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 13:17:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-12-02 13:17:55,846 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-12-02 13:17:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-12-02 13:17:55,846 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-12-02 13:17:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-12-02 13:17:55,846 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-12-02 13:17:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_write_phy_reg [2023-12-02 13:17:55,846 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_write_phy_reg [2023-12-02 13:17:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-02 13:17:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-12-02 13:17:55,847 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-12-02 13:17:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-12-02 13:17:55,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-12-02 13:17:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 13:17:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-12-02 13:17:55,847 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-12-02 13:17:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 13:17:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-12-02 13:17:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-12-02 13:17:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2023-12-02 13:17:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2023-12-02 13:17:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-12-02 13:17:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-12-02 13:17:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_resume [2023-12-02 13:17:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_resume [2023-12-02 13:17:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2023-12-02 13:17:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2023-12-02 13:17:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-12-02 13:17:55,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-12-02 13:17:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_imr_set [2023-12-02 13:17:55,849 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_imr_set [2023-12-02 13:17:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-12-02 13:17:55,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-12-02 13:17:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-12-02 13:17:55,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-12-02 13:17:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-12-02 13:17:55,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-12-02 13:17:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_reset [2023-12-02 13:17:55,850 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_reset [2023-12-02 13:17:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 13:17:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:17:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-12-02 13:17:55,851 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-12-02 13:17:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-12-02 13:17:55,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-12-02 13:17:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 13:17:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_free_ring_resources [2023-12-02 13:17:55,851 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_free_ring_resources [2023-12-02 13:17:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-12-02 13:17:55,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-12-02 13:17:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_get_speed_and_duplex [2023-12-02 13:17:55,851 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_get_speed_and_duplex [2023-12-02 13:17:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-12-02 13:17:55,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-12-02 13:17:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_down [2023-12-02 13:17:55,852 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_down [2023-12-02 13:17:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure __atlx_vlan_mode [2023-12-02 13:17:55,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __atlx_vlan_mode [2023-12-02 13:17:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-12-02 13:17:55,852 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-12-02 13:17:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-12-02 13:17:55,852 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-12-02 13:17:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:17:55,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:17:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2023-12-02 13:17:55,853 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2023-12-02 13:17:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-12-02 13:17:55,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-12-02 13:17:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-12-02 13:17:55,854 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-12-02 13:17:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-02 13:17:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-02 13:17:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 13:17:55,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 13:17:55,854 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2023-12-02 13:17:55,855 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2023-12-02 13:17:55,855 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-12-02 13:17:55,855 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-12-02 13:17:55,855 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_ioctl [2023-12-02 13:17:55,855 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_ioctl [2023-12-02 13:17:55,855 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_change_mtu [2023-12-02 13:17:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_change_mtu [2023-12-02 13:17:55,856 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_tx_timeout [2023-12-02 13:17:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_tx_timeout [2023-12-02 13:17:55,856 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2023-12-02 13:17:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2023-12-02 13:17:55,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-12-02 13:17:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-12-02 13:17:55,857 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-12-02 13:17:55,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-12-02 13:17:55,857 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_poll_controller [2023-12-02 13:17:55,857 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_poll_controller [2023-12-02 13:17:55,857 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-12-02 13:17:55,857 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-12-02 13:17:55,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 13:17:55,858 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 13:17:55,858 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:17:55,858 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:17:55,858 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-12-02 13:17:55,858 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-12-02 13:17:55,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2023-12-02 13:17:55,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2023-12-02 13:17:55,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 13:17:55,858 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-12-02 13:17:55,858 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-12-02 13:17:55,858 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_reset_hw [2023-12-02 13:17:55,858 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_reset_hw [2023-12-02 13:17:55,859 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-12-02 13:17:55,859 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-12-02 13:17:55,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 13:17:55,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-12-02 13:17:55,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-12-02 13:17:55,905 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2023-12-02 13:17:55,906 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2023-12-02 13:17:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 13:17:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-12-02 13:17:55,906 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-12-02 13:17:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_set_multi [2023-12-02 13:17:55,906 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_set_multi [2023-12-02 13:17:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-12-02 13:17:55,906 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-12-02 13:17:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_fix_features [2023-12-02 13:17:55,907 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_fix_features [2023-12-02 13:17:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-12-02 13:17:55,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-12-02 13:17:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-12-02 13:17:55,907 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-12-02 13:17:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-12-02 13:17:55,907 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-12-02 13:17:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_vlan_mode [2023-12-02 13:17:55,907 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_vlan_mode [2023-12-02 13:17:55,908 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_set_mac_addr [2023-12-02 13:17:55,908 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_set_mac_addr [2023-12-02 13:17:55,908 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-12-02 13:17:55,908 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-12-02 13:17:55,908 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2023-12-02 13:17:55,908 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2023-12-02 13:17:55,908 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-12-02 13:17:55,908 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-12-02 13:17:55,908 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_clean_rx_ring [2023-12-02 13:17:55,909 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_clean_rx_ring [2023-12-02 13:17:55,909 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2023-12-02 13:17:55,909 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2023-12-02 13:17:55,909 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-12-02 13:17:55,909 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-12-02 13:17:55,909 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-12-02 13:17:55,909 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-12-02 13:17:55,909 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_set_features [2023-12-02 13:17:55,909 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_set_features [2023-12-02 13:17:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 13:17:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 13:17:55,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 13:17:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-12-02 13:17:55,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-12-02 13:17:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-12-02 13:17:55,910 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-12-02 13:17:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_set_mac [2023-12-02 13:17:55,910 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_set_mac [2023-12-02 13:17:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_suspend [2023-12-02 13:17:55,911 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_suspend [2023-12-02 13:17:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_clean_tx_ring [2023-12-02 13:17:55,911 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_clean_tx_ring [2023-12-02 13:17:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-12-02 13:17:55,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-12-02 13:17:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_phy_setup_autoneg_adv [2023-12-02 13:17:55,911 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_phy_setup_autoneg_adv [2023-12-02 13:17:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2023-12-02 13:17:55,912 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2023-12-02 13:17:55,914 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_intr [2023-12-02 13:17:55,915 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_intr [2023-12-02 13:17:55,915 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-12-02 13:17:55,915 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-12-02 13:17:55,915 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_read_phy_reg [2023-12-02 13:17:55,915 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_read_phy_reg [2023-12-02 13:17:55,915 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-12-02 13:17:55,916 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-12-02 13:17:55,916 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-12-02 13:17:55,916 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-12-02 13:17:55,916 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2023-12-02 13:17:55,916 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2023-12-02 13:17:55,916 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_setup_ring_resources [2023-12-02 13:17:55,917 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_setup_ring_resources [2023-12-02 13:17:55,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:17:55,917 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_alloc_rx_buffers [2023-12-02 13:17:55,917 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_alloc_rx_buffers [2023-12-02 13:17:56,869 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:17:56,873 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:17:57,047 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 13:18:35,946 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:18:54,800 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:18:54,801 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 13:18:54,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:18:54 BoogieIcfgContainer [2023-12-02 13:18:54,803 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:18:54,805 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:18:54,805 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:18:54,808 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:18:54,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:17:51" (1/3) ... [2023-12-02 13:18:54,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10863c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:18:54, skipping insertion in model container [2023-12-02 13:18:54,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:17:54" (2/3) ... [2023-12-02 13:18:54,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10863c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:18:54, skipping insertion in model container [2023-12-02 13:18:54,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:18:54" (3/3) ... [2023-12-02 13:18:54,811 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 [2023-12-02 13:18:54,827 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:18:54,827 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:18:54,906 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:18:54,911 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;@3907643d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:18:54,912 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:18:54,924 INFO L276 IsEmpty]: Start isEmpty. Operand has 1911 states, 1202 states have (on average 1.3311148086522462) internal successors, (1600), 1232 states have internal predecessors, (1600), 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) [2023-12-02 13:18:54,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-12-02 13:18:54,957 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:18:54,958 INFO L195 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] [2023-12-02 13:18:54,959 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:18:54,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:18:54,963 INFO L85 PathProgramCache]: Analyzing trace with hash -256009117, now seen corresponding path program 1 times [2023-12-02 13:18:54,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:18:54,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665959129] [2023-12-02 13:18:54,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:18:54,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:28:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:28:03,128 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2023-12-02 13:28:03,128 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:28:03,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665959129] [2023-12-02 13:28:03,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665959129] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:28:03,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:28:03,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:28:03,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794727650] [2023-12-02 13:28:03,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:28:03,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:28:03,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:28:03,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:28:03,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:28:03,162 INFO L87 Difference]: Start difference. First operand has 1911 states, 1202 states have (on average 1.3311148086522462) internal successors, (1600), 1232 states have internal predecessors, (1600), 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) [2023-12-02 13:28:05,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:08,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:11,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:14,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:16,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:20,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:22,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:24,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:27,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:29,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:31,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:33,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:36,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 13:28:36,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:28:36,459 INFO L93 Difference]: Finished difference Result 5242 states and 7630 transitions. [2023-12-02 13:28:36,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:28:36,461 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 [2023-12-02 13:28:36,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:28:36,506 INFO L225 Difference]: With dead ends: 5242 [2023-12-02 13:28:36,506 INFO L226 Difference]: Without dead ends: 3335 [2023-12-02 13:28:36,525 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 [2023-12-02 13:28:36,528 INFO L413 NwaCegarLoop]: 2408 mSDtfsCounter, 2154 mSDsluCounter, 2260 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 7 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2154 SdHoareTripleChecker+Valid, 4668 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:28:36,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2154 Valid, 4668 Invalid, 815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 796 Invalid, 12 Unknown, 0 Unchecked, 32.9s Time] [2023-12-02 13:28:36,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3335 states. [2023-12-02 13:28:36,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3335 to 3311. [2023-12-02 13:28:36,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3311 states, 2098 states have (on average 1.318875119161106) internal successors, (2767), 2132 states have internal predecessors, (2767), 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) [2023-12-02 13:28:36,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 3311 states and 4776 transitions. [2023-12-02 13:28:36,825 INFO L78 Accepts]: Start accepts. Automaton has 3311 states and 4776 transitions. Word has length 212 [2023-12-02 13:28:36,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:28:36,827 INFO L495 AbstractCegarLoop]: Abstraction has 3311 states and 4776 transitions. [2023-12-02 13:28:36,827 INFO L496 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) [2023-12-02 13:28:36,827 INFO L276 IsEmpty]: Start isEmpty. Operand 3311 states and 4776 transitions. [2023-12-02 13:28:36,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2023-12-02 13:28:36,839 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:28:36,839 INFO L195 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] [2023-12-02 13:28:36,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 13:28:36,840 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:28:36,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:28:36,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1027250881, now seen corresponding path program 1 times [2023-12-02 13:28:36,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:28:36,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872306866] [2023-12-02 13:28:36,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:28:36,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms