./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_53461d11-2098-4af5-b62f-606cf429d0a1/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53461d11-2098-4af5-b62f-606cf429d0a1/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53461d11-2098-4af5-b62f-606cf429d0a1/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53461d11-2098-4af5-b62f-606cf429d0a1/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53461d11-2098-4af5-b62f-606cf429d0a1/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53461d11-2098-4af5-b62f-606cf429d0a1/bin/utaipan-verify-NcY6lQBIFX --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 abeeab492b640654fe55aa04dc4f56985d1437aed7a22f3a0d2f5e29c1d87ba8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:59:19,714 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:59:19,843 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53461d11-2098-4af5-b62f-606cf429d0a1/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:59:19,851 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:59:19,853 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:59:19,903 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:59:19,904 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:59:19,905 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:59:19,906 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:59:19,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:59:19,912 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:59:19,913 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:59:19,914 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:59:19,916 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:59:19,916 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:59:19,917 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:59:19,917 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:59:19,918 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:59:19,918 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:59:19,919 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:59:19,919 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:59:19,920 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:59:19,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:59:19,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:59:19,922 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:59:19,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:59:19,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:59:19,924 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:59:19,924 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:59:19,925 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:59:19,926 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:59:19,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:59:19,927 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:59:19,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:59:19,928 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:59:19,928 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:59:19,928 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:59:19,929 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:59:19,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:59:19,929 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:59:19,929 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:59:19,930 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:59:19,930 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_53461d11-2098-4af5-b62f-606cf429d0a1/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53461d11-2098-4af5-b62f-606cf429d0a1/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abeeab492b640654fe55aa04dc4f56985d1437aed7a22f3a0d2f5e29c1d87ba8 [2023-11-12 00:59:20,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:59:20,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:59:20,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:59:20,268 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:59:20,269 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:59:20,270 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53461d11-2098-4af5-b62f-606cf429d0a1/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2023-11-12 00:59:23,485 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:59:24,229 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:59:24,230 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53461d11-2098-4af5-b62f-606cf429d0a1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2023-11-12 00:59:24,309 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53461d11-2098-4af5-b62f-606cf429d0a1/bin/utaipan-verify-NcY6lQBIFX/data/8ad90eb03/2dbe0509bd5f4f7083378bbe43454086/FLAGce1152cbe [2023-11-12 00:59:24,329 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53461d11-2098-4af5-b62f-606cf429d0a1/bin/utaipan-verify-NcY6lQBIFX/data/8ad90eb03/2dbe0509bd5f4f7083378bbe43454086 [2023-11-12 00:59:24,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:59:24,336 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:59:24,340 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:24,340 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:59:24,345 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:59:24,346 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:24" (1/1) ... [2023-11-12 00:59:24,347 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bea1d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:24, skipping insertion in model container [2023-11-12 00:59:24,348 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:24" (1/1) ... [2023-11-12 00:59:24,582 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:59:27,908 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_53461d11-2098-4af5-b62f-606cf429d0a1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406186,406199] [2023-11-12 00:59:27,912 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_53461d11-2098-4af5-b62f-606cf429d0a1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406333,406346] [2023-11-12 00:59:27,913 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_53461d11-2098-4af5-b62f-606cf429d0a1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406472,406485] [2023-11-12 00:59:27,913 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_53461d11-2098-4af5-b62f-606cf429d0a1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406630,406643] [2023-11-12 00:59:27,932 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:59:27,976 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:59:28,121 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"); [6725] [2023-11-12 00:59:28,123 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6732] [2023-11-12 00:59:28,124 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [6747-6748] [2023-11-12 00:59:28,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/a068ef8/linux-usb-dev/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6777-6778] [2023-11-12 00:59:28,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6783-6785] [2023-11-12 00:59:28,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [6992-6993] [2023-11-12 00:59:28,142 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [7026-7027] [2023-11-12 00:59:28,144 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" (115), "i" (12UL)); [7063-7064] [2023-11-12 00:59:28,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [13858] [2023-11-12 00:59:28,487 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_53461d11-2098-4af5-b62f-606cf429d0a1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406186,406199] [2023-11-12 00:59:28,488 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_53461d11-2098-4af5-b62f-606cf429d0a1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406333,406346] [2023-11-12 00:59:28,488 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_53461d11-2098-4af5-b62f-606cf429d0a1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406472,406485] [2023-11-12 00:59:28,489 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_53461d11-2098-4af5-b62f-606cf429d0a1/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406630,406643] [2023-11-12 00:59:28,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:59:28,715 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:59:28,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:28 WrapperNode [2023-11-12 00:59:28,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:28,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:59:28,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:59:28,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:59:28,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:28" (1/1) ... [2023-11-12 00:59:28,856 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:28" (1/1) ... [2023-11-12 00:59:29,046 INFO L138 Inliner]: procedures = 430, calls = 2598, calls flagged for inlining = 234, calls inlined = 226, statements flattened = 7177 [2023-11-12 00:59:29,046 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:59:29,047 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:59:29,047 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:59:29,048 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:59:29,057 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:28" (1/1) ... [2023-11-12 00:59:29,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:28" (1/1) ... [2023-11-12 00:59:29,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:28" (1/1) ... [2023-11-12 00:59:29,081 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:28" (1/1) ... [2023-11-12 00:59:29,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:28" (1/1) ... [2023-11-12 00:59:29,357 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:28" (1/1) ... [2023-11-12 00:59:29,398 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:28" (1/1) ... [2023-11-12 00:59:29,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:28" (1/1) ... [2023-11-12 00:59:29,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:59:29,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:59:29,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:59:29,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:59:29,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:28" (1/1) ... [2023-11-12 00:59:29,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:59:29,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53461d11-2098-4af5-b62f-606cf429d0a1/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:59:29,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53461d11-2098-4af5-b62f-606cf429d0a1/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:59:29,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53461d11-2098-4af5-b62f-606cf429d0a1/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:59:29,613 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_per_engine_handler_adjust [2023-11-12 00:59:29,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_per_engine_handler_adjust [2023-11-12 00:59:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:59:29,614 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:59:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-11-12 00:59:29,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-11-12 00:59:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_core_destroy [2023-11-12 00:59:29,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_core_destroy [2023-11-12 00:59:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:59:29,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:59:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 00:59:29,616 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 00:59:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_watermark_intr_disable [2023-11-12 00:59:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_watermark_intr_disable [2023-11-12 00:59:29,618 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 00:59:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 00:59:29,620 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_completed_recv_next [2023-11-12 00:59:29,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_completed_recv_next [2023-11-12 00:59:29,620 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-12 00:59:29,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-12 00:59:29,621 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_completed_send_next [2023-11-12 00:59:29,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_completed_send_next [2023-11-12 00:59:29,622 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 00:59:29,622 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 00:59:29,622 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_ce_deinit [2023-11-12 00:59:29,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_ce_deinit [2023-11-12 00:59:29,622 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_start [2023-11-12 00:59:29,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_start [2023-11-12 00:59:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_resume [2023-11-12 00:59:29,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_resume [2023-11-12 00:59:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:59:29,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:59:29,624 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_read32 [2023-11-12 00:59:29,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_read32 [2023-11-12 00:59:29,624 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-12 00:59:29,624 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-12 00:59:29,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:59:29,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:59:29,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ath10k_pci_exit_13_2 [2023-11-12 00:59:29,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ath10k_pci_exit_13_2 [2023-11-12 00:59:29,625 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_dbg [2023-11-12 00:59:29,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_dbg [2023-11-12 00:59:29,625 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2023-11-12 00:59:29,625 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2023-11-12 00:59:29,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:59:29,626 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2023-11-12 00:59:29,626 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2023-11-12 00:59:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_write_mem [2023-11-12 00:59:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_write_mem [2023-11-12 00:59:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-12 00:59:29,628 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-12 00:59:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 00:59:29,629 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 00:59:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_base_address [2023-11-12 00:59:29,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_base_address [2023-11-12 00:59:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_write_access [2023-11-12 00:59:29,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_write_access [2023-11-12 00:59:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-12 00:59:29,630 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-12 00:59:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:59:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:59:29,630 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:59:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 00:59:29,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 00:59:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:59:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:59:29,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:59:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:59:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 00:59:29,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 00:59:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:59:29,632 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:59:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 00:59:29,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 00:59:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:59:29,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:59:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_wake [2023-11-12 00:59:29,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_wake [2023-11-12 00:59:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:59:29,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:59:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_copy_complete_intr_disable [2023-11-12 00:59:29,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_copy_complete_intr_disable [2023-11-12 00:59:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure get_free_compl [2023-11-12 00:59:29,635 INFO L138 BoogieDeclarations]: Found implementation of procedure get_free_compl [2023-11-12 00:59:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_process_ce [2023-11-12 00:59:29,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_process_ce [2023-11-12 00:59:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_reg_read32 [2023-11-12 00:59:29,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_reg_read32 [2023-11-12 00:59:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-12 00:59:29,636 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-12 00:59:29,636 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 00:59:29,636 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 00:59:29,636 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 00:59:29,636 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 00:59:29,636 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_do_pci_wake [2023-11-12 00:59:29,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_do_pci_wake [2023-11-12 00:59:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_cleanup_ce [2023-11-12 00:59:29,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_cleanup_ce [2023-11-12 00:59:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_disable_interrupts [2023-11-12 00:59:29,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_disable_interrupts [2023-11-12 00:59:29,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:59:29,638 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_info [2023-11-12 00:59:29,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_info [2023-11-12 00:59:29,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:59:29,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:59:29,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:59:29,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:59:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_sleep [2023-11-12 00:59:29,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_sleep [2023-11-12 00:59:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-12 00:59:29,640 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-12 00:59:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-12 00:59:29,641 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-12 00:59:29,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:59:29,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:59:29,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:59:29,641 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:59:29,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:59:29,642 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_request_early_irq [2023-11-12 00:59:29,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_request_early_irq [2023-11-12 00:59:29,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:59:29,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-12 00:59:29,642 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-12 00:59:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:59:29,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:59:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_reg_write32 [2023-11-12 00:59:29,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_reg_write32 [2023-11-12 00:59:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:59:29,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:59:29,644 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-11-12 00:59:29,645 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-11-12 00:59:29,645 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_get_free_queue_number [2023-11-12 00:59:29,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_get_free_queue_number [2023-11-12 00:59:29,646 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_stop [2023-11-12 00:59:29,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_stop [2023-11-12 00:59:29,649 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_recv_buf_enqueue [2023-11-12 00:59:29,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_recv_buf_enqueue [2023-11-12 00:59:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_priv [2023-11-12 00:59:29,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_priv [2023-11-12 00:59:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:59:29,651 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:59:29,652 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 00:59:29,652 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 00:59:29,653 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_deinit [2023-11-12 00:59:29,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_deinit [2023-11-12 00:59:29,659 INFO L130 BoogieDeclarations]: Found specification of procedure __roundup_pow_of_two [2023-11-12 00:59:29,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __roundup_pow_of_two [2023-11-12 00:59:29,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:59:29,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:59:29,660 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_rx_pipe_cleanup [2023-11-12 00:59:29,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_rx_pipe_cleanup [2023-11-12 00:59:29,660 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_revoke_recv_next [2023-11-12 00:59:29,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_revoke_recv_next [2023-11-12 00:59:29,660 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_read_access [2023-11-12 00:59:29,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_read_access [2023-11-12 00:59:29,661 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-12 00:59:29,661 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-12 00:59:29,661 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_stop_ce [2023-11-12 00:59:29,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_stop_ce [2023-11-12 00:59:29,661 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_device_reset [2023-11-12 00:59:29,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_device_reset [2023-11-12 00:59:29,662 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-12 00:59:29,662 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-12 00:59:29,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:59:29,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:59:29,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:59:29,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:59:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_post_rx_pipe [2023-11-12 00:59:29,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_post_rx_pipe [2023-11-12 00:59:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_free_irq [2023-11-12 00:59:29,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_free_irq [2023-11-12 00:59:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-12 00:59:29,663 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-12 00:59:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2023-11-12 00:59:29,664 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2023-11-12 00:59:29,664 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_power_down [2023-11-12 00:59:29,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_power_down [2023-11-12 00:59:29,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 00:59:29,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 00:59:29,664 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_per_engine_service [2023-11-12 00:59:29,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_per_engine_service [2023-11-12 00:59:29,665 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-12 00:59:29,665 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-12 00:59:29,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:59:29,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:59:29,665 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_send [2023-11-12 00:59:29,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_send [2023-11-12 00:59:29,665 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_suspend [2023-11-12 00:59:29,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_suspend [2023-11-12 00:59:29,666 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-12 00:59:29,666 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-12 00:59:29,666 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2023-11-12 00:59:29,666 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2023-11-12 00:59:29,666 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-12 00:59:29,666 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-12 00:59:29,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:59:29,667 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 00:59:29,667 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 00:59:29,667 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_src_ring_read_index_get [2023-11-12 00:59:29,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_src_ring_read_index_get [2023-11-12 00:59:29,667 INFO L130 BoogieDeclarations]: Found specification of procedure ATH10K_SKB_CB [2023-11-12 00:59:29,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ATH10K_SKB_CB [2023-11-12 00:59:29,668 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_free_early_irq [2023-11-12 00:59:29,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_free_early_irq [2023-11-12 00:59:29,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:59:29,668 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-12 00:59:29,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-12 00:59:29,668 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_do_pci_sleep [2023-11-12 00:59:29,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_do_pci_sleep [2023-11-12 00:59:29,669 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_kill_tasklet [2023-11-12 00:59:29,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_kill_tasklet [2023-11-12 00:59:29,669 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_remove [2023-11-12 00:59:29,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_remove [2023-11-12 00:59:29,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:59:29,669 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_err [2023-11-12 00:59:29,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_err [2023-11-12 00:59:29,670 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 00:59:29,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 00:59:29,670 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_disable_and_clear_legacy_irq [2023-11-12 00:59:29,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_disable_and_clear_legacy_irq [2023-11-12 00:59:29,670 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 00:59:29,670 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 00:59:29,670 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-12 00:59:29,671 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-12 00:59:29,671 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_irq_pending [2023-11-12 00:59:29,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_irq_pending [2023-11-12 00:59:29,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-12 00:59:29,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-12 00:59:29,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:59:29,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:59:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 00:59:29,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 00:59:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 00:59:29,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 00:59:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-11-12 00:59:29,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-11-12 00:59:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-12 00:59:29,673 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-12 00:59:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_write32 [2023-11-12 00:59:29,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_write32 [2023-11-12 00:59:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_map_service_to_pipe [2023-11-12 00:59:29,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_map_service_to_pipe [2023-11-12 00:59:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msi_block [2023-11-12 00:59:29,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msi_block [2023-11-12 00:59:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:59:29,674 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:59:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:59:29,674 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:59:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_warn [2023-11-12 00:59:29,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_warn [2023-11-12 00:59:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:59:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2023-11-12 00:59:29,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2023-11-12 00:59:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:59:29,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:59:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-12 00:59:29,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-12 00:59:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-12 00:59:29,676 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-12 00:59:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_dbg_dump [2023-11-12 00:59:29,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_dbg_dump [2023-11-12 00:59:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2023-11-12 00:59:29,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2023-11-12 00:59:29,681 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_power_up [2023-11-12 00:59:29,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_power_up [2023-11-12 00:59:29,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:59:29,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:59:29,681 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_deinit_irq [2023-11-12 00:59:29,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_deinit_irq [2023-11-12 00:59:29,682 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_master [2023-11-12 00:59:29,682 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_master [2023-11-12 00:59:29,682 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-12 00:59:29,683 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-12 00:59:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure host_interest_item_address [2023-11-12 00:59:29,684 INFO L138 BoogieDeclarations]: Found implementation of procedure host_interest_item_address [2023-11-12 00:59:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_read_mem [2023-11-12 00:59:29,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_read_mem [2023-11-12 00:59:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2023-11-12 00:59:29,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2023-11-12 00:59:29,684 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2023-11-12 00:59:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2023-11-12 00:59:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_cancel_send_next [2023-11-12 00:59:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_cancel_send_next [2023-11-12 00:59:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:59:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:59:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:59:29,685 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_engine_int_status_clear [2023-11-12 00:59:29,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_engine_int_status_clear [2023-11-12 00:59:30,826 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:59:30,837 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:59:31,173 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:59:36,968 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:59:37,207 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:59:39,982 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:59:39,982 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 00:59:39,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:59:39 BoogieIcfgContainer [2023-11-12 00:59:39,990 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:59:39,993 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:59:39,994 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:59:39,997 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:59:39,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:59:24" (1/3) ... [2023-11-12 00:59:39,999 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7526b2d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:59:39, skipping insertion in model container [2023-11-12 00:59:39,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:28" (2/3) ... [2023-11-12 00:59:40,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7526b2d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:59:39, skipping insertion in model container [2023-11-12 00:59:40,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:59:39" (3/3) ... [2023-11-12 00:59:40,002 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2023-11-12 00:59:40,023 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:59:40,023 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-12 00:59:40,155 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:59:40,162 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;@1b10b61, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:59:40,162 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-12 00:59:40,174 INFO L276 IsEmpty]: Start isEmpty. Operand has 2220 states, 1292 states have (on average 1.291795665634675) internal successors, (1669), 1344 states have internal predecessors, (1669), 795 states have call successors, (795), 136 states have call predecessors, (795), 135 states have return successors, (786), 779 states have call predecessors, (786), 786 states have call successors, (786) [2023-11-12 00:59:40,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-12 00:59:40,200 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:59:40,201 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:59:40,201 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:59:40,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:59:40,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1673610953, now seen corresponding path program 1 times [2023-11-12 00:59:40,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:59:40,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367836626] [2023-11-12 00:59:40,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:40,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:59:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:59:41,354 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2023-11-12 00:59:41,354 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:59:41,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367836626] [2023-11-12 00:59:41,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367836626] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:59:41,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:59:41,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:59:41,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713963745] [2023-11-12 00:59:41,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:59:41,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:59:41,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:59:41,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:59:41,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:59:41,423 INFO L87 Difference]: Start difference. First operand has 2220 states, 1292 states have (on average 1.291795665634675) internal successors, (1669), 1344 states have internal predecessors, (1669), 795 states have call successors, (795), 136 states have call predecessors, (795), 135 states have return successors, (786), 779 states have call predecessors, (786), 786 states have call successors, (786) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-12 00:59:43,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:45,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:48,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:49,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:59:49,942 INFO L93 Difference]: Finished difference Result 6507 states and 9572 transitions. [2023-11-12 00:59:49,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:59:49,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 170 [2023-11-12 00:59:49,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:59:50,030 INFO L225 Difference]: With dead ends: 6507 [2023-11-12 00:59:50,030 INFO L226 Difference]: Without dead ends: 4303 [2023-11-12 00:59:50,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:59:50,064 INFO L413 NwaCegarLoop]: 2896 mSDtfsCounter, 3116 mSDsluCounter, 2847 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3116 SdHoareTripleChecker+Valid, 5743 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:59:50,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3116 Valid, 5743 Invalid, 690 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2023-11-12 00:59:50,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4303 states. [2023-11-12 00:59:50,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4303 to 4301. [2023-11-12 00:59:50,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4301 states, 2504 states have (on average 1.2863418530351438) internal successors, (3221), 2595 states have internal predecessors, (3221), 1528 states have call successors, (1528), 268 states have call predecessors, (1528), 267 states have return successors, (1525), 1511 states have call predecessors, (1525), 1525 states have call successors, (1525) [2023-11-12 00:59:50,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4301 states to 4301 states and 6274 transitions. [2023-11-12 00:59:50,569 INFO L78 Accepts]: Start accepts. Automaton has 4301 states and 6274 transitions. Word has length 170 [2023-11-12 00:59:50,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:59:50,574 INFO L495 AbstractCegarLoop]: Abstraction has 4301 states and 6274 transitions. [2023-11-12 00:59:50,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-12 00:59:50,575 INFO L276 IsEmpty]: Start isEmpty. Operand 4301 states and 6274 transitions. [2023-11-12 00:59:50,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-12 00:59:50,592 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:59:50,593 INFO L195 NwaCegarLoop]: trace histogram [17, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:59:50,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:59:50,594 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:59:50,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:59:50,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1763009003, now seen corresponding path program 1 times [2023-11-12 00:59:50,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:59:50,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032172165] [2023-11-12 00:59:50,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:50,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:59:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:59:51,226 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 902 trivial. 0 not checked. [2023-11-12 00:59:51,227 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:59:51,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032172165] [2023-11-12 00:59:51,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032172165] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:59:51,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:59:51,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:59:51,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663446951] [2023-11-12 00:59:51,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:59:51,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:59:51,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:59:51,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:59:51,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:59:51,232 INFO L87 Difference]: Start difference. First operand 4301 states and 6274 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-12 00:59:53,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:55,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:58,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:00:00,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:00:03,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:00:05,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:00:05,014 INFO L93 Difference]: Finished difference Result 10411 states and 15158 transitions. [2023-11-12 01:00:05,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 01:00:05,015 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 197 [2023-11-12 01:00:05,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:00:05,076 INFO L225 Difference]: With dead ends: 10411 [2023-11-12 01:00:05,076 INFO L226 Difference]: Without dead ends: 6141 [2023-11-12 01:00:05,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:00:05,105 INFO L413 NwaCegarLoop]: 3093 mSDtfsCounter, 2862 mSDsluCounter, 2823 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 17 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2862 SdHoareTripleChecker+Valid, 5916 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2023-11-12 01:00:05,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2862 Valid, 5916 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 744 Invalid, 4 Unknown, 0 Unchecked, 13.3s Time] [2023-11-12 01:00:05,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6141 states. [2023-11-12 01:00:05,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6141 to 6134. [2023-11-12 01:00:05,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6134 states, 3573 states have (on average 1.2781975930590541) internal successors, (4567), 3696 states have internal predecessors, (4567), 2165 states have call successors, (2165), 396 states have call predecessors, (2165), 394 states have return successors, (2162), 2138 states have call predecessors, (2162), 2162 states have call successors, (2162) [2023-11-12 01:00:05,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6134 states to 6134 states and 8894 transitions. [2023-11-12 01:00:05,552 INFO L78 Accepts]: Start accepts. Automaton has 6134 states and 8894 transitions. Word has length 197 [2023-11-12 01:00:05,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:00:05,553 INFO L495 AbstractCegarLoop]: Abstraction has 6134 states and 8894 transitions. [2023-11-12 01:00:05,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-12 01:00:05,554 INFO L276 IsEmpty]: Start isEmpty. Operand 6134 states and 8894 transitions. [2023-11-12 01:00:05,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-11-12 01:00:05,562 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:05,562 INFO L195 NwaCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 4, 4, 2, 2, 2, 2, 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] [2023-11-12 01:00:05,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 01:00:05,563 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:00:05,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:05,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1129097619, now seen corresponding path program 1 times [2023-11-12 01:00:05,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:00:05,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647671670] [2023-11-12 01:00:05,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:05,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:00:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:00:06,446 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 999 trivial. 0 not checked. [2023-11-12 01:00:06,447 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:00:06,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647671670] [2023-11-12 01:00:06,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647671670] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:00:06,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:00:06,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 01:00:06,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575246324] [2023-11-12 01:00:06,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:00:06,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 01:00:06,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:00:06,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 01:00:06,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 01:00:06,451 INFO L87 Difference]: Start difference. First operand 6134 states and 8894 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-12 01:00:08,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:00:10,627 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 []