./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 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_7d54f5b6-1fa3-408c-a400-28d0570aaae2/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d54f5b6-1fa3-408c-a400-28d0570aaae2/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d54f5b6-1fa3-408c-a400-28d0570aaae2/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d54f5b6-1fa3-408c-a400-28d0570aaae2/bin/utaipan-verify-SwPr7d2a91/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_7d54f5b6-1fa3-408c-a400-28d0570aaae2/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d54f5b6-1fa3-408c-a400-28d0570aaae2/bin/utaipan-verify-SwPr7d2a91 --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 0.2.4-dev-0e0057c [2023-11-25 00:00:04,888 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:00:05,013 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d54f5b6-1fa3-408c-a400-28d0570aaae2/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-25 00:00:05,022 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:00:05,023 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:00:05,069 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:00:05,070 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:00:05,070 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:00:05,072 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:00:05,077 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:00:05,077 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:00:05,078 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:00:05,078 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:00:05,080 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:00:05,080 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:00:05,081 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:00:05,081 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:00:05,081 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:00:05,082 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:00:05,082 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:00:05,083 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:00:05,083 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:00:05,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:00:05,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:00:05,085 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:00:05,086 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:00:05,086 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:00:05,087 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:00:05,087 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:00:05,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:00:05,089 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:00:05,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:00:05,089 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:00:05,090 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:00:05,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:00:05,090 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:00:05,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:00:05,091 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:00:05,091 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:00:05,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:00:05,092 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:00:05,092 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:00:05,093 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:00:05,093 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:00:05,093 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_7d54f5b6-1fa3-408c-a400-28d0570aaae2/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d54f5b6-1fa3-408c-a400-28d0570aaae2/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abeeab492b640654fe55aa04dc4f56985d1437aed7a22f3a0d2f5e29c1d87ba8 [2023-11-25 00:00:05,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:00:05,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:00:05,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:00:05,397 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:00:05,398 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:00:05,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d54f5b6-1fa3-408c-a400-28d0570aaae2/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2023-11-25 00:00:08,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:00:09,209 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:00:09,210 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d54f5b6-1fa3-408c-a400-28d0570aaae2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2023-11-25 00:00:09,279 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d54f5b6-1fa3-408c-a400-28d0570aaae2/bin/utaipan-verify-SwPr7d2a91/data/283cc5a53/1295816a7dd942388e9d64d70d99d7f5/FLAG316940480 [2023-11-25 00:00:09,293 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d54f5b6-1fa3-408c-a400-28d0570aaae2/bin/utaipan-verify-SwPr7d2a91/data/283cc5a53/1295816a7dd942388e9d64d70d99d7f5 [2023-11-25 00:00:09,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:00:09,298 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:00:09,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:00:09,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:00:09,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:00:09,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:00:09" (1/1) ... [2023-11-25 00:00:09,307 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58267665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:09, skipping insertion in model container [2023-11-25 00:00:09,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:00:09" (1/1) ... [2023-11-25 00:00:09,534 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:00:13,247 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_7d54f5b6-1fa3-408c-a400-28d0570aaae2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406186,406199] [2023-11-25 00:00:13,252 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_7d54f5b6-1fa3-408c-a400-28d0570aaae2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406333,406346] [2023-11-25 00:00:13,253 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_7d54f5b6-1fa3-408c-a400-28d0570aaae2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406472,406485] [2023-11-25 00:00:13,254 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_7d54f5b6-1fa3-408c-a400-28d0570aaae2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406630,406643] [2023-11-25 00:00:13,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:00:13,354 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:00:13,568 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] [2023-11-25 00:00:13,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6732] [2023-11-25 00:00:13,572 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] [2023-11-25 00:00:13,574 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] [2023-11-25 00:00:13,574 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] [2023-11-25 00:00:13,591 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] [2023-11-25 00:00:13,596 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] [2023-11-25 00:00:13,601 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] [2023-11-25 00:00:13,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [13858] [2023-11-25 00:00:13,994 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d54f5b6-1fa3-408c-a400-28d0570aaae2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406186,406199] [2023-11-25 00:00:13,995 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_7d54f5b6-1fa3-408c-a400-28d0570aaae2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406333,406346] [2023-11-25 00:00:13,996 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_7d54f5b6-1fa3-408c-a400-28d0570aaae2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406472,406485] [2023-11-25 00:00:13,997 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_7d54f5b6-1fa3-408c-a400-28d0570aaae2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406630,406643] [2023-11-25 00:00:14,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:00:14,231 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:00:14,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:14 WrapperNode [2023-11-25 00:00:14,232 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:00:14,233 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:00:14,234 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:00:14,234 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:00:14,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:14" (1/1) ... [2023-11-25 00:00:14,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:14" (1/1) ... [2023-11-25 00:00:14,689 INFO L138 Inliner]: procedures = 430, calls = 2598, calls flagged for inlining = 234, calls inlined = 226, statements flattened = 7377 [2023-11-25 00:00:14,690 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:00:14,691 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:00:14,691 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:00:14,691 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:00:14,702 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:14" (1/1) ... [2023-11-25 00:00:14,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:14" (1/1) ... [2023-11-25 00:00:14,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:14" (1/1) ... [2023-11-25 00:00:14,771 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:14" (1/1) ... [2023-11-25 00:00:15,050 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:14" (1/1) ... [2023-11-25 00:00:15,077 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:14" (1/1) ... [2023-11-25 00:00:15,114 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:14" (1/1) ... [2023-11-25 00:00:15,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:14" (1/1) ... [2023-11-25 00:00:15,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:00:15,197 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:00:15,198 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:00:15,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:00:15,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:14" (1/1) ... [2023-11-25 00:00:15,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:00:15,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d54f5b6-1fa3-408c-a400-28d0570aaae2/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:00:15,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d54f5b6-1fa3-408c-a400-28d0570aaae2/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:00:15,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d54f5b6-1fa3-408c-a400-28d0570aaae2/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:00:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_per_engine_handler_adjust [2023-11-25 00:00:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_per_engine_handler_adjust [2023-11-25 00:00:15,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-25 00:00:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-25 00:00:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-11-25 00:00:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-11-25 00:00:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_core_destroy [2023-11-25 00:00:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_core_destroy [2023-11-25 00:00:15,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-25 00:00:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-25 00:00:15,337 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-25 00:00:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-25 00:00:15,337 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_watermark_intr_disable [2023-11-25 00:00:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_watermark_intr_disable [2023-11-25 00:00:15,337 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-25 00:00:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-25 00:00:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_completed_recv_next [2023-11-25 00:00:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_completed_recv_next [2023-11-25 00:00:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-25 00:00:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-25 00:00:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_completed_send_next [2023-11-25 00:00:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_completed_send_next [2023-11-25 00:00:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-25 00:00:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-25 00:00:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_ce_deinit [2023-11-25 00:00:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_ce_deinit [2023-11-25 00:00:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_start [2023-11-25 00:00:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_start [2023-11-25 00:00:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_resume [2023-11-25 00:00:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_resume [2023-11-25 00:00:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-25 00:00:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-25 00:00:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_read32 [2023-11-25 00:00:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_read32 [2023-11-25 00:00:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-25 00:00:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-25 00:00:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-25 00:00:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-25 00:00:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ath10k_pci_exit_13_2 [2023-11-25 00:00:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ath10k_pci_exit_13_2 [2023-11-25 00:00:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_dbg [2023-11-25 00:00:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_dbg [2023-11-25 00:00:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2023-11-25 00:00:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2023-11-25 00:00:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:00:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2023-11-25 00:00:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2023-11-25 00:00:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_write_mem [2023-11-25 00:00:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_write_mem [2023-11-25 00:00:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-25 00:00:15,342 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-25 00:00:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-25 00:00:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-25 00:00:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_base_address [2023-11-25 00:00:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_base_address [2023-11-25 00:00:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_write_access [2023-11-25 00:00:15,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_write_access [2023-11-25 00:00:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-25 00:00:15,345 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-25 00:00:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-25 00:00:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-25 00:00:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-25 00:00:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-25 00:00:15,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-25 00:00:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-25 00:00:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-25 00:00:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-25 00:00:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:00:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-25 00:00:15,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-25 00:00:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-25 00:00:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-25 00:00:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-25 00:00:15,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-25 00:00:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-25 00:00:15,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-25 00:00:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_wake [2023-11-25 00:00:15,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_wake [2023-11-25 00:00:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-25 00:00:15,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-25 00:00:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_copy_complete_intr_disable [2023-11-25 00:00:15,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_copy_complete_intr_disable [2023-11-25 00:00:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure get_free_compl [2023-11-25 00:00:15,350 INFO L138 BoogieDeclarations]: Found implementation of procedure get_free_compl [2023-11-25 00:00:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_process_ce [2023-11-25 00:00:15,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_process_ce [2023-11-25 00:00:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_reg_read32 [2023-11-25 00:00:15,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_reg_read32 [2023-11-25 00:00:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-25 00:00:15,351 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-25 00:00:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-25 00:00:15,352 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-25 00:00:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-25 00:00:15,352 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-25 00:00:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_do_pci_wake [2023-11-25 00:00:15,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_do_pci_wake [2023-11-25 00:00:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_cleanup_ce [2023-11-25 00:00:15,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_cleanup_ce [2023-11-25 00:00:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_disable_interrupts [2023-11-25 00:00:15,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_disable_interrupts [2023-11-25 00:00:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:00:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_info [2023-11-25 00:00:15,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_info [2023-11-25 00:00:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-25 00:00:15,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-25 00:00:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-25 00:00:15,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-25 00:00:15,355 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_sleep [2023-11-25 00:00:15,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_sleep [2023-11-25 00:00:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-25 00:00:15,356 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-25 00:00:15,356 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-25 00:00:15,356 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-25 00:00:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:00:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-25 00:00:15,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-25 00:00:15,357 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-25 00:00:15,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-25 00:00:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_request_early_irq [2023-11-25 00:00:15,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_request_early_irq [2023-11-25 00:00:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:00:15,358 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-25 00:00:15,359 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-25 00:00:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:00:15,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:00:15,359 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_reg_write32 [2023-11-25 00:00:15,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_reg_write32 [2023-11-25 00:00:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-25 00:00:15,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-25 00:00:15,360 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-11-25 00:00:15,360 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-11-25 00:00:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_get_free_queue_number [2023-11-25 00:00:15,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_get_free_queue_number [2023-11-25 00:00:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_stop [2023-11-25 00:00:15,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_stop [2023-11-25 00:00:15,361 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_recv_buf_enqueue [2023-11-25 00:00:15,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_recv_buf_enqueue [2023-11-25 00:00:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_priv [2023-11-25 00:00:15,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_priv [2023-11-25 00:00:15,362 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-25 00:00:15,363 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-25 00:00:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-25 00:00:15,363 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-25 00:00:15,363 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_deinit [2023-11-25 00:00:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_deinit [2023-11-25 00:00:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure __roundup_pow_of_two [2023-11-25 00:00:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __roundup_pow_of_two [2023-11-25 00:00:15,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:00:15,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:00:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_rx_pipe_cleanup [2023-11-25 00:00:15,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_rx_pipe_cleanup [2023-11-25 00:00:15,365 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_revoke_recv_next [2023-11-25 00:00:15,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_revoke_recv_next [2023-11-25 00:00:15,366 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_read_access [2023-11-25 00:00:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_read_access [2023-11-25 00:00:15,366 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-25 00:00:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-25 00:00:15,366 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_stop_ce [2023-11-25 00:00:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_stop_ce [2023-11-25 00:00:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_device_reset [2023-11-25 00:00:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_device_reset [2023-11-25 00:00:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-25 00:00:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-25 00:00:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-25 00:00:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-25 00:00:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-25 00:00:15,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-25 00:00:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_post_rx_pipe [2023-11-25 00:00:15,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_post_rx_pipe [2023-11-25 00:00:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_free_irq [2023-11-25 00:00:15,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_free_irq [2023-11-25 00:00:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-25 00:00:15,369 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-25 00:00:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2023-11-25 00:00:15,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2023-11-25 00:00:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_power_down [2023-11-25 00:00:15,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_power_down [2023-11-25 00:00:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-25 00:00:15,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-25 00:00:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_per_engine_service [2023-11-25 00:00:15,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_per_engine_service [2023-11-25 00:00:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-25 00:00:15,371 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-25 00:00:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-25 00:00:15,372 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-25 00:00:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_send [2023-11-25 00:00:15,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_send [2023-11-25 00:00:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_suspend [2023-11-25 00:00:15,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_suspend [2023-11-25 00:00:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-25 00:00:15,373 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-25 00:00:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2023-11-25 00:00:15,373 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2023-11-25 00:00:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-25 00:00:15,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-25 00:00:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:00:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-25 00:00:15,374 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-25 00:00:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_src_ring_read_index_get [2023-11-25 00:00:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_src_ring_read_index_get [2023-11-25 00:00:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure ATH10K_SKB_CB [2023-11-25 00:00:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ATH10K_SKB_CB [2023-11-25 00:00:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_free_early_irq [2023-11-25 00:00:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_free_early_irq [2023-11-25 00:00:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:00:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-25 00:00:15,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-25 00:00:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_do_pci_sleep [2023-11-25 00:00:15,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_do_pci_sleep [2023-11-25 00:00:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_kill_tasklet [2023-11-25 00:00:15,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_kill_tasklet [2023-11-25 00:00:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_remove [2023-11-25 00:00:15,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_remove [2023-11-25 00:00:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:00:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_err [2023-11-25 00:00:15,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_err [2023-11-25 00:00:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-25 00:00:15,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-25 00:00:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_disable_and_clear_legacy_irq [2023-11-25 00:00:15,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_disable_and_clear_legacy_irq [2023-11-25 00:00:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-25 00:00:15,379 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-25 00:00:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-25 00:00:15,379 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-25 00:00:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_irq_pending [2023-11-25 00:00:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_irq_pending [2023-11-25 00:00:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-25 00:00:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-25 00:00:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-25 00:00:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-25 00:00:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-25 00:00:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-25 00:00:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-25 00:00:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-25 00:00:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-11-25 00:00:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-11-25 00:00:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-25 00:00:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-25 00:00:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_write32 [2023-11-25 00:00:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_write32 [2023-11-25 00:00:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_map_service_to_pipe [2023-11-25 00:00:15,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_map_service_to_pipe [2023-11-25 00:00:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msi_block [2023-11-25 00:00:15,383 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msi_block [2023-11-25 00:00:15,383 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-25 00:00:15,383 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-25 00:00:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-25 00:00:15,384 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-25 00:00:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_warn [2023-11-25 00:00:15,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_warn [2023-11-25 00:00:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:00:15,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2023-11-25 00:00:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2023-11-25 00:00:15,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-25 00:00:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-25 00:00:15,385 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-25 00:00:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-25 00:00:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-25 00:00:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-25 00:00:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_dbg_dump [2023-11-25 00:00:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_dbg_dump [2023-11-25 00:00:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2023-11-25 00:00:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2023-11-25 00:00:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_power_up [2023-11-25 00:00:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_power_up [2023-11-25 00:00:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-25 00:00:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-25 00:00:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_deinit_irq [2023-11-25 00:00:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_deinit_irq [2023-11-25 00:00:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_master [2023-11-25 00:00:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_master [2023-11-25 00:00:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-25 00:00:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-25 00:00:15,389 INFO L130 BoogieDeclarations]: Found specification of procedure host_interest_item_address [2023-11-25 00:00:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure host_interest_item_address [2023-11-25 00:00:15,389 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_read_mem [2023-11-25 00:00:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_read_mem [2023-11-25 00:00:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2023-11-25 00:00:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2023-11-25 00:00:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2023-11-25 00:00:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2023-11-25 00:00:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_cancel_send_next [2023-11-25 00:00:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_cancel_send_next [2023-11-25 00:00:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:00:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-25 00:00:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-25 00:00:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_engine_int_status_clear [2023-11-25 00:00:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_engine_int_status_clear [2023-11-25 00:00:16,571 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:00:16,576 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:00:16,889 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-25 00:00:22,932 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-25 00:00:23,263 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:00:25,758 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:00:25,758 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-25 00:00:25,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:00:25 BoogieIcfgContainer [2023-11-25 00:00:25,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:00:25,766 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:00:25,766 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:00:25,770 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:00:25,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:00:09" (1/3) ... [2023-11-25 00:00:25,773 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3b9a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:00:25, skipping insertion in model container [2023-11-25 00:00:25,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:00:14" (2/3) ... [2023-11-25 00:00:25,773 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3b9a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:00:25, skipping insertion in model container [2023-11-25 00:00:25,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:00:25" (3/3) ... [2023-11-25 00:00:25,776 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2023-11-25 00:00:25,802 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:00:25,802 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-25 00:00:25,943 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:00:25,957 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;@518f534b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:00:25,957 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-25 00:00:25,979 INFO L276 IsEmpty]: Start isEmpty. Operand has 2232 states, 1304 states have (on average 1.2891104294478528) internal successors, (1681), 1347 states have internal predecessors, (1681), 795 states have call successors, (795), 136 states have call predecessors, (795), 135 states have return successors, (786), 780 states have call predecessors, (786), 786 states have call successors, (786) [2023-11-25 00:00:26,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-25 00:00:26,010 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:00:26,011 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] [2023-11-25 00:00:26,011 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:00:26,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:00:26,017 INFO L85 PathProgramCache]: Analyzing trace with hash 733673095, now seen corresponding path program 1 times [2023-11-25 00:00:26,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:00:26,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16892035] [2023-11-25 00:00:26,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:00:26,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:00:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:00:27,192 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2023-11-25 00:00:27,193 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:00:27,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16892035] [2023-11-25 00:00:27,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16892035] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:00:27,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:00:27,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:00:27,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657486593] [2023-11-25 00:00:27,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:00:27,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:00:27,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:00:27,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:00:27,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:00:27,248 INFO L87 Difference]: Start difference. First operand has 2232 states, 1304 states have (on average 1.2891104294478528) internal successors, (1681), 1347 states have internal predecessors, (1681), 795 states have call successors, (795), 136 states have call predecessors, (795), 135 states have return successors, (786), 780 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) [2023-11-25 00:00:28,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:00:31,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:00:33,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:00:34,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:00:34,738 INFO L93 Difference]: Finished difference Result 6543 states and 9608 transitions. [2023-11-25 00:00:34,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:00:34,741 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 [2023-11-25 00:00:34,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:00:34,814 INFO L225 Difference]: With dead ends: 6543 [2023-11-25 00:00:34,814 INFO L226 Difference]: Without dead ends: 4327 [2023-11-25 00:00:34,841 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 [2023-11-25 00:00:34,846 INFO L413 NwaCegarLoop]: 2903 mSDtfsCounter, 3128 mSDsluCounter, 2854 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3128 SdHoareTripleChecker+Valid, 5757 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:00:34,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3128 Valid, 5757 Invalid, 700 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2023-11-25 00:00:34,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4327 states. [2023-11-25 00:00:35,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4327 to 4325. [2023-11-25 00:00:35,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4325 states, 2528 states have (on average 1.2836234177215189) internal successors, (3245), 2601 states have internal predecessors, (3245), 1528 states have call successors, (1528), 268 states have call predecessors, (1528), 267 states have return successors, (1525), 1513 states have call predecessors, (1525), 1525 states have call successors, (1525) [2023-11-25 00:00:35,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4325 states to 4325 states and 6298 transitions. [2023-11-25 00:00:35,354 INFO L78 Accepts]: Start accepts. Automaton has 4325 states and 6298 transitions. Word has length 170 [2023-11-25 00:00:35,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:00:35,356 INFO L495 AbstractCegarLoop]: Abstraction has 4325 states and 6298 transitions. [2023-11-25 00:00:35,356 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) [2023-11-25 00:00:35,357 INFO L276 IsEmpty]: Start isEmpty. Operand 4325 states and 6298 transitions. [2023-11-25 00:00:35,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-25 00:00:35,369 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:00:35,369 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] [2023-11-25 00:00:35,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:00:35,370 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:00:35,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:00:35,371 INFO L85 PathProgramCache]: Analyzing trace with hash -685708273, now seen corresponding path program 1 times [2023-11-25 00:00:35,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:00:35,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912161397] [2023-11-25 00:00:35,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:00:35,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:00:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:00:35,886 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 902 trivial. 0 not checked. [2023-11-25 00:00:35,887 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:00:35,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912161397] [2023-11-25 00:00:35,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912161397] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:00:35,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:00:35,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:00:35,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229391564] [2023-11-25 00:00:35,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:00:35,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:00:35,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:00:35,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:00:35,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:00:35,893 INFO L87 Difference]: Start difference. First operand 4325 states and 6298 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) [2023-11-25 00:00:37,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:00:39,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:00:41,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:00:42,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:00:45,311 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 [] [2023-11-25 00:00:47,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:00:47,284 INFO L93 Difference]: Finished difference Result 10465 states and 15212 transitions. [2023-11-25 00:00:47,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:00:47,286 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 [2023-11-25 00:00:47,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:00:47,349 INFO L225 Difference]: With dead ends: 10465 [2023-11-25 00:00:47,349 INFO L226 Difference]: Without dead ends: 6171 [2023-11-25 00:00:47,377 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 [2023-11-25 00:00:47,384 INFO L413 NwaCegarLoop]: 3099 mSDtfsCounter, 2871 mSDsluCounter, 2830 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2871 SdHoareTripleChecker+Valid, 5929 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2023-11-25 00:00:47,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2871 Valid, 5929 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 757 Invalid, 1 Unknown, 0 Unchecked, 10.8s Time] [2023-11-25 00:00:47,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6171 states. [2023-11-25 00:00:47,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6171 to 6164. [2023-11-25 00:00:47,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6164 states, 3603 states have (on average 1.2758812101026922) internal successors, (4597), 3703 states have internal predecessors, (4597), 2165 states have call successors, (2165), 396 states have call predecessors, (2165), 394 states have return successors, (2162), 2139 states have call predecessors, (2162), 2162 states have call successors, (2162) [2023-11-25 00:00:47,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6164 states to 6164 states and 8924 transitions. [2023-11-25 00:00:47,835 INFO L78 Accepts]: Start accepts. Automaton has 6164 states and 8924 transitions. Word has length 197 [2023-11-25 00:00:47,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:00:47,839 INFO L495 AbstractCegarLoop]: Abstraction has 6164 states and 8924 transitions. [2023-11-25 00:00:47,839 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) [2023-11-25 00:00:47,839 INFO L276 IsEmpty]: Start isEmpty. Operand 6164 states and 8924 transitions. [2023-11-25 00:00:47,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-11-25 00:00:47,847 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:00:47,848 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] [2023-11-25 00:00:47,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-25 00:00:47,849 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:00:47,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:00:47,859 INFO L85 PathProgramCache]: Analyzing trace with hash -646010538, now seen corresponding path program 1 times [2023-11-25 00:00:47,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:00:47,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453216447] [2023-11-25 00:00:47,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:00:47,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:00:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:00:48,728 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 999 trivial. 0 not checked. [2023-11-25 00:00:48,728 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:00:48,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453216447] [2023-11-25 00:00:48,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453216447] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:00:48,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:00:48,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-25 00:00:48,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021845138] [2023-11-25 00:00:48,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:00:48,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:00:48,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:00:48,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:00:48,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-25 00:00:48,733 INFO L87 Difference]: Start difference. First operand 6164 states and 8924 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) [2023-11-25 00:00:50,889 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 [] [2023-11-25 00:00:52,895 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 []