./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 30e01a73 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_7c8072fa-cdf4-4100-8cd5-98813d975154/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8072fa-cdf4-4100-8cd5-98813d975154/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8072fa-cdf4-4100-8cd5-98813d975154/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8072fa-cdf4-4100-8cd5-98813d975154/bin/utaipan-verify-mE87zJ7Ire/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_7c8072fa-cdf4-4100-8cd5-98813d975154/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8072fa-cdf4-4100-8cd5-98813d975154/bin/utaipan-verify-mE87zJ7Ire --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-30e01a7 [2023-11-23 21:32:03,591 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:32:03,736 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8072fa-cdf4-4100-8cd5-98813d975154/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:32:03,747 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:32:03,747 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:32:03,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:32:03,784 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:32:03,785 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:32:03,786 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:32:03,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:32:03,792 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:32:03,792 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:32:03,793 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:32:03,794 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:32:03,795 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:32:03,795 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:32:03,796 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:32:03,796 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:32:03,797 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:32:03,797 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:32:03,798 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:32:03,799 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:32:03,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:32:03,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:32:03,801 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:32:03,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:32:03,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:32:03,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:32:03,802 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:32:03,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:32:03,804 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:32:03,805 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:32:03,805 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:32:03,805 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:32:03,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:03,806 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:32:03,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:32:03,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:32:03,806 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:32:03,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:32:03,807 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:32:03,807 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:32:03,808 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:32:03,808 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:32:03,808 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_7c8072fa-cdf4-4100-8cd5-98813d975154/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8072fa-cdf4-4100-8cd5-98813d975154/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abeeab492b640654fe55aa04dc4f56985d1437aed7a22f3a0d2f5e29c1d87ba8 [2023-11-23 21:32:04,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:32:04,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:32:04,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:32:04,227 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:32:04,229 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:32:04,230 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8072fa-cdf4-4100-8cd5-98813d975154/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2023-11-23 21:32:07,494 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:32:08,312 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:32:08,313 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8072fa-cdf4-4100-8cd5-98813d975154/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2023-11-23 21:32:08,394 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8072fa-cdf4-4100-8cd5-98813d975154/bin/utaipan-verify-mE87zJ7Ire/data/260f63787/02449fdde18f445985e946c2cc3a1407/FLAGce6c829c0 [2023-11-23 21:32:08,414 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8072fa-cdf4-4100-8cd5-98813d975154/bin/utaipan-verify-mE87zJ7Ire/data/260f63787/02449fdde18f445985e946c2cc3a1407 [2023-11-23 21:32:08,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:32:08,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:32:08,429 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:08,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:32:08,436 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:32:08,437 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:08" (1/1) ... [2023-11-23 21:32:08,438 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3584dd55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:08, skipping insertion in model container [2023-11-23 21:32:08,438 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:08" (1/1) ... [2023-11-23 21:32:08,673 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:32:12,720 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_7c8072fa-cdf4-4100-8cd5-98813d975154/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406186,406199] [2023-11-23 21:32:12,725 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_7c8072fa-cdf4-4100-8cd5-98813d975154/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406333,406346] [2023-11-23 21:32:12,726 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_7c8072fa-cdf4-4100-8cd5-98813d975154/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406472,406485] [2023-11-23 21:32:12,727 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_7c8072fa-cdf4-4100-8cd5-98813d975154/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406630,406643] [2023-11-23 21:32:12,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:12,885 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:32:13,049 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] [2023-11-23 21:32:13,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6732] [2023-11-23 21:32:13,054 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] [2023-11-23 21:32:13,056 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] [2023-11-23 21:32:13,056 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] [2023-11-23 21:32:13,070 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] [2023-11-23 21:32:13,074 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] [2023-11-23 21:32:13,079 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] [2023-11-23 21:32:13,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [13858] [2023-11-23 21:32:13,449 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_7c8072fa-cdf4-4100-8cd5-98813d975154/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406186,406199] [2023-11-23 21:32:13,449 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_7c8072fa-cdf4-4100-8cd5-98813d975154/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406333,406346] [2023-11-23 21:32:13,451 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_7c8072fa-cdf4-4100-8cd5-98813d975154/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406472,406485] [2023-11-23 21:32:13,451 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_7c8072fa-cdf4-4100-8cd5-98813d975154/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[406630,406643] [2023-11-23 21:32:13,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:13,637 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:32:13,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:13 WrapperNode [2023-11-23 21:32:13,638 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:13,639 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:13,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:32:13,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:32:13,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:13" (1/1) ... [2023-11-23 21:32:13,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:13" (1/1) ... [2023-11-23 21:32:14,071 INFO L138 Inliner]: procedures = 430, calls = 2598, calls flagged for inlining = 234, calls inlined = 226, statements flattened = 7177 [2023-11-23 21:32:14,072 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:14,073 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:32:14,073 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:32:14,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:32:14,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:13" (1/1) ... [2023-11-23 21:32:14,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:13" (1/1) ... [2023-11-23 21:32:14,114 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:13" (1/1) ... [2023-11-23 21:32:14,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:13" (1/1) ... [2023-11-23 21:32:14,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:13" (1/1) ... [2023-11-23 21:32:14,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:13" (1/1) ... [2023-11-23 21:32:14,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:13" (1/1) ... [2023-11-23 21:32:14,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:13" (1/1) ... [2023-11-23 21:32:14,451 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:32:14,453 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:32:14,453 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:32:14,453 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:32:14,454 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:13" (1/1) ... [2023-11-23 21:32:14,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:14,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8072fa-cdf4-4100-8cd5-98813d975154/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:14,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8072fa-cdf4-4100-8cd5-98813d975154/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:32:14,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8072fa-cdf4-4100-8cd5-98813d975154/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:32:14,540 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_per_engine_handler_adjust [2023-11-23 21:32:14,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_per_engine_handler_adjust [2023-11-23 21:32:14,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:32:14,541 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:32:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-11-23 21:32:14,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-11-23 21:32:14,542 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_core_destroy [2023-11-23 21:32:14,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_core_destroy [2023-11-23 21:32:14,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:32:14,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:32:14,543 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 21:32:14,543 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 21:32:14,544 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_watermark_intr_disable [2023-11-23 21:32:14,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_watermark_intr_disable [2023-11-23 21:32:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:32:14,546 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:32:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_completed_recv_next [2023-11-23 21:32:14,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_completed_recv_next [2023-11-23 21:32:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-23 21:32:14,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-23 21:32:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_completed_send_next [2023-11-23 21:32:14,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_completed_send_next [2023-11-23 21:32:14,548 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:32:14,548 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:32:14,548 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_ce_deinit [2023-11-23 21:32:14,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_ce_deinit [2023-11-23 21:32:14,548 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_start [2023-11-23 21:32:14,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_start [2023-11-23 21:32:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_resume [2023-11-23 21:32:14,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_resume [2023-11-23 21:32:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:32:14,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:32:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_read32 [2023-11-23 21:32:14,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_read32 [2023-11-23 21:32:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-23 21:32:14,550 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-23 21:32:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:32:14,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:32:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ath10k_pci_exit_13_2 [2023-11-23 21:32:14,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ath10k_pci_exit_13_2 [2023-11-23 21:32:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_dbg [2023-11-23 21:32:14,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_dbg [2023-11-23 21:32:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2023-11-23 21:32:14,552 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2023-11-23 21:32:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:32:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2023-11-23 21:32:14,553 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2023-11-23 21:32:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_write_mem [2023-11-23 21:32:14,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_write_mem [2023-11-23 21:32:14,554 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 21:32:14,554 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 21:32:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:32:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:32:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_base_address [2023-11-23 21:32:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_base_address [2023-11-23 21:32:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_write_access [2023-11-23 21:32:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_write_access [2023-11-23 21:32:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-23 21:32:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-23 21:32:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:32:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:32:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:32:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 21:32:14,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 21:32:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:32:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:32:14,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:32:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:32:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:32:14,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:32:14,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:32:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:32:14,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-23 21:32:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-23 21:32:14,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:32:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:32:14,560 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_wake [2023-11-23 21:32:14,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_wake [2023-11-23 21:32:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:32:14,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:32:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_copy_complete_intr_disable [2023-11-23 21:32:14,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_copy_complete_intr_disable [2023-11-23 21:32:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure get_free_compl [2023-11-23 21:32:14,562 INFO L138 BoogieDeclarations]: Found implementation of procedure get_free_compl [2023-11-23 21:32:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_process_ce [2023-11-23 21:32:14,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_process_ce [2023-11-23 21:32:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_reg_read32 [2023-11-23 21:32:14,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_reg_read32 [2023-11-23 21:32:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-23 21:32:14,562 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-23 21:32:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-23 21:32:14,563 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-23 21:32:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:32:14,563 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:32:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_do_pci_wake [2023-11-23 21:32:14,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_do_pci_wake [2023-11-23 21:32:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_cleanup_ce [2023-11-23 21:32:14,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_cleanup_ce [2023-11-23 21:32:14,565 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_disable_interrupts [2023-11-23 21:32:14,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_disable_interrupts [2023-11-23 21:32:14,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:32:14,566 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_info [2023-11-23 21:32:14,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_info [2023-11-23 21:32:14,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 21:32:14,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 21:32:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 21:32:14,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 21:32:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_sleep [2023-11-23 21:32:14,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_sleep [2023-11-23 21:32:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-23 21:32:14,567 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-23 21:32:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-23 21:32:14,568 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-23 21:32:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:32:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:32:14,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:32:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:32:14,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:32:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_request_early_irq [2023-11-23 21:32:14,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_request_early_irq [2023-11-23 21:32:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:32:14,570 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-23 21:32:14,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-23 21:32:14,570 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:32:14,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:32:14,570 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_reg_write32 [2023-11-23 21:32:14,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_reg_write32 [2023-11-23 21:32:14,571 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:32:14,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:32:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-11-23 21:32:14,572 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-11-23 21:32:14,573 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_get_free_queue_number [2023-11-23 21:32:14,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_get_free_queue_number [2023-11-23 21:32:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_stop [2023-11-23 21:32:14,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_stop [2023-11-23 21:32:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_recv_buf_enqueue [2023-11-23 21:32:14,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_recv_buf_enqueue [2023-11-23 21:32:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_priv [2023-11-23 21:32:14,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_priv [2023-11-23 21:32:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:32:14,580 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:32:14,581 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 21:32:14,587 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 21:32:14,587 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_deinit [2023-11-23 21:32:14,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_deinit [2023-11-23 21:32:14,588 INFO L130 BoogieDeclarations]: Found specification of procedure __roundup_pow_of_two [2023-11-23 21:32:14,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __roundup_pow_of_two [2023-11-23 21:32:14,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:32:14,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:32:14,588 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_rx_pipe_cleanup [2023-11-23 21:32:14,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_rx_pipe_cleanup [2023-11-23 21:32:14,588 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_revoke_recv_next [2023-11-23 21:32:14,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_revoke_recv_next [2023-11-23 21:32:14,589 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_read_access [2023-11-23 21:32:14,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_read_access [2023-11-23 21:32:14,589 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-23 21:32:14,589 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-23 21:32:14,590 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_stop_ce [2023-11-23 21:32:14,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_stop_ce [2023-11-23 21:32:14,590 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_device_reset [2023-11-23 21:32:14,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_device_reset [2023-11-23 21:32:14,590 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 21:32:14,590 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 21:32:14,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:32:14,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:32:14,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:32:14,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:32:14,591 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_post_rx_pipe [2023-11-23 21:32:14,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_post_rx_pipe [2023-11-23 21:32:14,591 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_free_irq [2023-11-23 21:32:14,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_free_irq [2023-11-23 21:32:14,592 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-23 21:32:14,592 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-23 21:32:14,592 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2023-11-23 21:32:14,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2023-11-23 21:32:14,592 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_power_down [2023-11-23 21:32:14,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_power_down [2023-11-23 21:32:14,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-23 21:32:14,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-23 21:32:14,593 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_per_engine_service [2023-11-23 21:32:14,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_per_engine_service [2023-11-23 21:32:14,593 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-23 21:32:14,593 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-23 21:32:14,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:32:14,594 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:32:14,594 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_send [2023-11-23 21:32:14,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_send [2023-11-23 21:32:14,594 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_suspend [2023-11-23 21:32:14,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_suspend [2023-11-23 21:32:14,594 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-23 21:32:14,594 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-23 21:32:14,595 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2023-11-23 21:32:14,595 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2023-11-23 21:32:14,595 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-23 21:32:14,595 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-23 21:32:14,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:32:14,595 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:32:14,595 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:32:14,596 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_src_ring_read_index_get [2023-11-23 21:32:14,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_src_ring_read_index_get [2023-11-23 21:32:14,596 INFO L130 BoogieDeclarations]: Found specification of procedure ATH10K_SKB_CB [2023-11-23 21:32:14,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ATH10K_SKB_CB [2023-11-23 21:32:14,596 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_free_early_irq [2023-11-23 21:32:14,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_free_early_irq [2023-11-23 21:32:14,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:32:14,597 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-23 21:32:14,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-23 21:32:14,597 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_do_pci_sleep [2023-11-23 21:32:14,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_do_pci_sleep [2023-11-23 21:32:14,597 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_kill_tasklet [2023-11-23 21:32:14,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_kill_tasklet [2023-11-23 21:32:14,598 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_remove [2023-11-23 21:32:14,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_remove [2023-11-23 21:32:14,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:32:14,598 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_err [2023-11-23 21:32:14,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_err [2023-11-23 21:32:14,598 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 21:32:14,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 21:32:14,599 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_disable_and_clear_legacy_irq [2023-11-23 21:32:14,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_disable_and_clear_legacy_irq [2023-11-23 21:32:14,599 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:32:14,599 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:32:14,599 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-23 21:32:14,599 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-23 21:32:14,599 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_irq_pending [2023-11-23 21:32:14,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_irq_pending [2023-11-23 21:32:14,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-23 21:32:14,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-23 21:32:14,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:32:14,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:32:14,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-23 21:32:14,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-23 21:32:14,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 21:32:14,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 21:32:14,601 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-11-23 21:32:14,601 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-11-23 21:32:14,601 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 21:32:14,601 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 21:32:14,601 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_write32 [2023-11-23 21:32:14,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_write32 [2023-11-23 21:32:14,602 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_map_service_to_pipe [2023-11-23 21:32:14,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_map_service_to_pipe [2023-11-23 21:32:14,602 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msi_block [2023-11-23 21:32:14,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msi_block [2023-11-23 21:32:14,602 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 21:32:14,602 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 21:32:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:32:14,603 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:32:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_warn [2023-11-23 21:32:14,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_warn [2023-11-23 21:32:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:32:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2023-11-23 21:32:14,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2023-11-23 21:32:14,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:32:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:32:14,604 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-23 21:32:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-23 21:32:14,604 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-23 21:32:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-23 21:32:14,606 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_dbg_dump [2023-11-23 21:32:14,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_dbg_dump [2023-11-23 21:32:14,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2023-11-23 21:32:14,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2023-11-23 21:32:14,610 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_power_up [2023-11-23 21:32:14,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_power_up [2023-11-23 21:32:14,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:32:14,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:32:14,611 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_deinit_irq [2023-11-23 21:32:14,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_deinit_irq [2023-11-23 21:32:14,612 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_master [2023-11-23 21:32:14,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_master [2023-11-23 21:32:14,613 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-23 21:32:14,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-23 21:32:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure host_interest_item_address [2023-11-23 21:32:14,614 INFO L138 BoogieDeclarations]: Found implementation of procedure host_interest_item_address [2023-11-23 21:32:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_read_mem [2023-11-23 21:32:14,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_read_mem [2023-11-23 21:32:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2023-11-23 21:32:14,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2023-11-23 21:32:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2023-11-23 21:32:14,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2023-11-23 21:32:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_cancel_send_next [2023-11-23 21:32:14,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_cancel_send_next [2023-11-23 21:32:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:32:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:32:14,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:32:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_engine_int_status_clear [2023-11-23 21:32:14,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_engine_int_status_clear [2023-11-23 21:32:15,832 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:32:15,844 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:32:16,101 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:32:22,887 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:32:23,183 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:32:25,887 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:32:25,888 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-23 21:32:25,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:25 BoogieIcfgContainer [2023-11-23 21:32:25,891 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:32:25,896 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:32:25,896 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:32:25,900 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:32:25,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:32:08" (1/3) ... [2023-11-23 21:32:25,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ec91c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:25, skipping insertion in model container [2023-11-23 21:32:25,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:13" (2/3) ... [2023-11-23 21:32:25,904 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ec91c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:25, skipping insertion in model container [2023-11-23 21:32:25,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:25" (3/3) ... [2023-11-23 21:32:25,906 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2023-11-23 21:32:25,931 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:32:25,932 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 21:32:26,069 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:32:26,081 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;@24b0d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:32:26,081 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 21:32:26,100 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) [2023-11-23 21:32:26,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-23 21:32:26,134 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:26,135 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] [2023-11-23 21:32:26,136 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:26,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:26,142 INFO L85 PathProgramCache]: Analyzing trace with hash 334577784, now seen corresponding path program 1 times [2023-11-23 21:32:26,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:26,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636798992] [2023-11-23 21:32:26,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:26,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:27,112 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2023-11-23 21:32:27,112 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:32:27,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636798992] [2023-11-23 21:32:27,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636798992] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:27,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:27,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:32:27,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890441765] [2023-11-23 21:32:27,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:27,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:32:27,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:32:27,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:32:27,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:32:27,158 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) [2023-11-23 21:32:29,467 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 [] [2023-11-23 21:32:31,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:34,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:36,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:38,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:41,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:41,055 INFO L93 Difference]: Finished difference Result 6507 states and 9572 transitions. [2023-11-23 21:32:41,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:32:41,059 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 [2023-11-23 21:32:41,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:41,158 INFO L225 Difference]: With dead ends: 6507 [2023-11-23 21:32:41,159 INFO L226 Difference]: Without dead ends: 4303 [2023-11-23 21:32:41,195 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 [2023-11-23 21:32:41,200 INFO L413 NwaCegarLoop]: 2896 mSDtfsCounter, 3116 mSDsluCounter, 2847 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3116 SdHoareTripleChecker+Valid, 5743 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:41,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3116 Valid, 5743 Invalid, 692 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 682 Invalid, 3 Unknown, 0 Unchecked, 13.3s Time] [2023-11-23 21:32:41,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4303 states. [2023-11-23 21:32:41,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4303 to 4301. [2023-11-23 21:32:41,754 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) [2023-11-23 21:32:41,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4301 states to 4301 states and 6274 transitions. [2023-11-23 21:32:41,827 INFO L78 Accepts]: Start accepts. Automaton has 4301 states and 6274 transitions. Word has length 170 [2023-11-23 21:32:41,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:41,832 INFO L495 AbstractCegarLoop]: Abstraction has 4301 states and 6274 transitions. [2023-11-23 21:32:41,832 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) [2023-11-23 21:32:41,833 INFO L276 IsEmpty]: Start isEmpty. Operand 4301 states and 6274 transitions. [2023-11-23 21:32:41,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-23 21:32:41,854 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:41,855 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] [2023-11-23 21:32:41,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:32:41,855 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:41,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:41,856 INFO L85 PathProgramCache]: Analyzing trace with hash -2015149868, now seen corresponding path program 1 times [2023-11-23 21:32:41,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:41,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341014924] [2023-11-23 21:32:41,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:41,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:42,500 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 902 trivial. 0 not checked. [2023-11-23 21:32:42,500 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:32:42,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341014924] [2023-11-23 21:32:42,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341014924] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:42,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:42,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:32:42,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668178873] [2023-11-23 21:32:42,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:42,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:32:42,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:32:42,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:32:42,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:32:42,506 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) [2023-11-23 21:32:44,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:47,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:49,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:52,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:54,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:56,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:56,535 INFO L93 Difference]: Finished difference Result 10411 states and 15158 transitions. [2023-11-23 21:32:56,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:32:56,536 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 [2023-11-23 21:32:56,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:56,600 INFO L225 Difference]: With dead ends: 10411 [2023-11-23 21:32:56,601 INFO L226 Difference]: Without dead ends: 6141 [2023-11-23 21:32:56,629 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 [2023-11-23 21:32:56,636 INFO L413 NwaCegarLoop]: 3093 mSDtfsCounter, 2862 mSDsluCounter, 2823 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 17 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s 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, 13.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:56,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2862 Valid, 5916 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 744 Invalid, 4 Unknown, 0 Unchecked, 13.5s Time] [2023-11-23 21:32:56,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6141 states.