./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c94de7-b04c-4dee-8584-4f0597768e72/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c94de7-b04c-4dee-8584-4f0597768e72/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c94de7-b04c-4dee-8584-4f0597768e72/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c94de7-b04c-4dee-8584-4f0597768e72/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c94de7-b04c-4dee-8584-4f0597768e72/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c94de7-b04c-4dee-8584-4f0597768e72/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash de309cb006d9ebcc083a8e63406ee72224599a1ace468a6eb3d237a424720136 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:47:37,006 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:47:37,079 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c94de7-b04c-4dee-8584-4f0597768e72/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:47:37,085 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:47:37,086 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:47:37,112 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:47:37,116 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:47:37,117 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:47:37,118 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:47:37,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:47:37,120 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:47:37,121 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:47:37,122 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:47:37,125 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:47:37,126 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:47:37,126 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:47:37,128 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:47:37,132 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:47:37,133 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:47:37,133 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:47:37,134 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:47:37,134 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:47:37,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:47:37,136 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:47:37,137 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:47:37,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:47:37,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:47:37,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:47:37,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:47:37,139 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:47:37,144 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:47:37,145 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:47:37,163 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:47:37,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:47:37,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:47:37,165 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:47:37,165 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:47:37,165 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:47:37,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:47:37,166 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:47:37,167 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:47:37,167 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:47:37,168 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_17c94de7-b04c-4dee-8584-4f0597768e72/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c94de7-b04c-4dee-8584-4f0597768e72/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de309cb006d9ebcc083a8e63406ee72224599a1ace468a6eb3d237a424720136 [2023-11-12 00:47:37,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:47:37,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:47:37,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:47:37,543 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:47:37,545 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:47:37,546 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c94de7-b04c-4dee-8584-4f0597768e72/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2023-11-12 00:47:40,812 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:47:41,649 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:47:41,650 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c94de7-b04c-4dee-8584-4f0597768e72/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2023-11-12 00:47:41,718 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c94de7-b04c-4dee-8584-4f0597768e72/bin/utaipan-verify-NcY6lQBIFX/data/1ff4f4058/313c68e834e84dbba8c994e6e02ad012/FLAG413426eaf [2023-11-12 00:47:41,735 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c94de7-b04c-4dee-8584-4f0597768e72/bin/utaipan-verify-NcY6lQBIFX/data/1ff4f4058/313c68e834e84dbba8c994e6e02ad012 [2023-11-12 00:47:41,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:47:41,744 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:47:41,750 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:47:41,750 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:47:41,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:47:41,758 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:47:41" (1/1) ... [2023-11-12 00:47:41,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ce0b97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:41, skipping insertion in model container [2023-11-12 00:47:41,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:47:41" (1/1) ... [2023-11-12 00:47:41,959 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:47:45,613 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_17c94de7-b04c-4dee-8584-4f0597768e72/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[408905,408918] [2023-11-12 00:47:45,619 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_17c94de7-b04c-4dee-8584-4f0597768e72/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[409071,409084] [2023-11-12 00:47:45,620 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_17c94de7-b04c-4dee-8584-4f0597768e72/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[409235,409248] [2023-11-12 00:47:45,621 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_17c94de7-b04c-4dee-8584-4f0597768e72/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[409400,409413] [2023-11-12 00:47:45,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:47:45,726 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:47:45,876 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"); [6721] [2023-11-12 00:47:45,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6728] [2023-11-12 00:47:45,879 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)); [6743-6744] [2023-11-12 00:47:45,880 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/d4e00c1/linux-kernel-locking-mutex/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6773-6774] [2023-11-12 00:47:45,881 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"); [6779-6781] [2023-11-12 00:47:45,882 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; incl %0": "+m" (v->counter)); [6808] [2023-11-12 00:47:45,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6815] [2023-11-12 00:47:45,897 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)); [7001-7002] [2023-11-12 00:47:45,903 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)); [7035-7036] [2023-11-12 00:47:45,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [7072-7073] [2023-11-12 00:47:46,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [13837] [2023-11-12 00:47:46,299 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_17c94de7-b04c-4dee-8584-4f0597768e72/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[408905,408918] [2023-11-12 00:47:46,300 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_17c94de7-b04c-4dee-8584-4f0597768e72/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[409071,409084] [2023-11-12 00:47:46,300 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_17c94de7-b04c-4dee-8584-4f0597768e72/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[409235,409248] [2023-11-12 00:47:46,302 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_17c94de7-b04c-4dee-8584-4f0597768e72/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[409400,409413] [2023-11-12 00:47:46,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:47:46,526 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:47:46,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:46 WrapperNode [2023-11-12 00:47:46,527 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:47:46,528 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:47:46,529 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:47:46,529 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:47:46,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:46" (1/1) ... [2023-11-12 00:47:46,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:46" (1/1) ... [2023-11-12 00:47:46,881 INFO L138 Inliner]: procedures = 434, calls = 2598, calls flagged for inlining = 232, calls inlined = 220, statements flattened = 7137 [2023-11-12 00:47:46,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:47:46,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:47:46,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:47:46,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:47:46,894 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:46" (1/1) ... [2023-11-12 00:47:46,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:46" (1/1) ... [2023-11-12 00:47:46,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:46" (1/1) ... [2023-11-12 00:47:46,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:46" (1/1) ... [2023-11-12 00:47:47,200 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:46" (1/1) ... [2023-11-12 00:47:47,259 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:46" (1/1) ... [2023-11-12 00:47:47,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:46" (1/1) ... [2023-11-12 00:47:47,347 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:46" (1/1) ... [2023-11-12 00:47:47,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:47:47,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:47:47,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:47:47,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:47:47,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:46" (1/1) ... [2023-11-12 00:47:47,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:47:47,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c94de7-b04c-4dee-8584-4f0597768e72/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:47:47,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c94de7-b04c-4dee-8584-4f0597768e72/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:47:47,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c94de7-b04c-4dee-8584-4f0597768e72/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:47:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_per_engine_handler_adjust [2023-11-12 00:47:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_per_engine_handler_adjust [2023-11-12 00:47:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:47:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:47:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-11-12 00:47:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-11-12 00:47:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_core_destroy [2023-11-12 00:47:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_core_destroy [2023-11-12 00:47:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:47:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:47:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 00:47:47,487 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 00:47:47,488 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_watermark_intr_disable [2023-11-12 00:47:47,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_watermark_intr_disable [2023-11-12 00:47:47,490 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 00:47:47,490 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 00:47:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_completed_recv_next [2023-11-12 00:47:47,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_completed_recv_next [2023-11-12 00:47:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-12 00:47:47,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-12 00:47:47,492 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_completed_send_next [2023-11-12 00:47:47,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_completed_send_next [2023-11-12 00:47:47,492 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 00:47:47,493 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 00:47:47,493 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_ce_deinit [2023-11-12 00:47:47,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_ce_deinit [2023-11-12 00:47:47,493 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_start [2023-11-12 00:47:47,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_start [2023-11-12 00:47:47,494 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_resume [2023-11-12 00:47:47,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_resume [2023-11-12 00:47:47,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:47:47,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:47:47,494 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_read32 [2023-11-12 00:47:47,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_read32 [2023-11-12 00:47:47,495 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-12 00:47:47,495 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-12 00:47:47,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:47:47,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:47:47,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ath10k_pci_exit_13_2 [2023-11-12 00:47:47,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ath10k_pci_exit_13_2 [2023-11-12 00:47:47,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-12 00:47:47,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-12 00:47:47,496 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_dbg [2023-11-12 00:47:47,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_dbg [2023-11-12 00:47:47,497 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2023-11-12 00:47:47,497 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2023-11-12 00:47:47,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:47:47,498 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2023-11-12 00:47:47,499 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2023-11-12 00:47:47,499 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_write_mem [2023-11-12 00:47:47,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_write_mem [2023-11-12 00:47:47,499 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-12 00:47:47,499 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-12 00:47:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 00:47:47,500 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 00:47:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_base_address [2023-11-12 00:47:47,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_base_address [2023-11-12 00:47:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_write_access [2023-11-12 00:47:47,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_write_access [2023-11-12 00:47:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-12 00:47:47,501 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-12 00:47:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:47:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:47:47,502 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:47:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 00:47:47,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 00:47:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:47:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:47:47,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:47:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:47:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 00:47:47,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 00:47:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:47:47,504 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:47:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 00:47:47,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 00:47:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:47:47,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:47:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_wake [2023-11-12 00:47:47,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_wake [2023-11-12 00:47:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:47:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:47:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_copy_complete_intr_disable [2023-11-12 00:47:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_copy_complete_intr_disable [2023-11-12 00:47:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure get_free_compl [2023-11-12 00:47:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure get_free_compl [2023-11-12 00:47:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_process_ce [2023-11-12 00:47:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_process_ce [2023-11-12 00:47:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_reg_read32 [2023-11-12 00:47:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_reg_read32 [2023-11-12 00:47:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-12 00:47:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-12 00:47:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 00:47:47,508 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 00:47:47,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 00:47:47,509 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 00:47:47,509 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_do_pci_wake [2023-11-12 00:47:47,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_do_pci_wake [2023-11-12 00:47:47,509 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_cleanup_ce [2023-11-12 00:47:47,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_cleanup_ce [2023-11-12 00:47:47,510 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_disable_interrupts [2023-11-12 00:47:47,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_disable_interrupts [2023-11-12 00:47:47,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:47:47,511 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_info [2023-11-12 00:47:47,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_info [2023-11-12 00:47:47,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:47:47,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:47:47,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:47:47,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:47:47,512 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_sleep [2023-11-12 00:47:47,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_sleep [2023-11-12 00:47:47,512 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-12 00:47:47,512 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-12 00:47:47,512 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-12 00:47:47,513 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-12 00:47:47,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:47:47,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:47:47,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:47:47,513 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:47:47,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:47:47,514 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_request_early_irq [2023-11-12 00:47:47,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_request_early_irq [2023-11-12 00:47:47,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:47:47,515 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-12 00:47:47,515 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-12 00:47:47,515 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:47:47,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:47:47,517 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_reg_write32 [2023-11-12 00:47:47,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_reg_write32 [2023-11-12 00:47:47,517 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:47:47,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:47:47,518 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-11-12 00:47:47,519 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-11-12 00:47:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_get_free_queue_number [2023-11-12 00:47:47,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_get_free_queue_number [2023-11-12 00:47:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_stop [2023-11-12 00:47:47,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_stop [2023-11-12 00:47:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_recv_buf_enqueue [2023-11-12 00:47:47,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_recv_buf_enqueue [2023-11-12 00:47:47,525 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_priv [2023-11-12 00:47:47,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_priv [2023-11-12 00:47:47,526 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:47:47,531 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:47:47,532 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 00:47:47,532 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 00:47:47,533 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_deinit [2023-11-12 00:47:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_deinit [2023-11-12 00:47:47,533 INFO L130 BoogieDeclarations]: Found specification of procedure __roundup_pow_of_two [2023-11-12 00:47:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __roundup_pow_of_two [2023-11-12 00:47:47,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:47:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:47:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_rx_pipe_cleanup [2023-11-12 00:47:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_rx_pipe_cleanup [2023-11-12 00:47:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_revoke_recv_next [2023-11-12 00:47:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_revoke_recv_next [2023-11-12 00:47:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_read_access [2023-11-12 00:47:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_read_access [2023-11-12 00:47:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-12 00:47:47,535 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-12 00:47:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_stop_ce [2023-11-12 00:47:47,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_stop_ce [2023-11-12 00:47:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_device_reset [2023-11-12 00:47:47,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_device_reset [2023-11-12 00:47:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-12 00:47:47,536 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-12 00:47:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:47:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:47:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:47:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:47:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_post_rx_pipe [2023-11-12 00:47:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_post_rx_pipe [2023-11-12 00:47:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_free_irq [2023-11-12 00:47:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_free_irq [2023-11-12 00:47:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-12 00:47:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-12 00:47:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2023-11-12 00:47:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2023-11-12 00:47:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_power_down [2023-11-12 00:47:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_power_down [2023-11-12 00:47:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 00:47:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 00:47:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_per_engine_service [2023-11-12 00:47:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_per_engine_service [2023-11-12 00:47:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-12 00:47:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-12 00:47:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:47:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:47:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_send [2023-11-12 00:47:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_send [2023-11-12 00:47:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_suspend [2023-11-12 00:47:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_suspend [2023-11-12 00:47:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-12 00:47:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-12 00:47:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2023-11-12 00:47:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2023-11-12 00:47:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-12 00:47:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-12 00:47:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:47:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 00:47:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 00:47:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_src_ring_read_index_get [2023-11-12 00:47:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_src_ring_read_index_get [2023-11-12 00:47:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure ATH10K_SKB_CB [2023-11-12 00:47:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ATH10K_SKB_CB [2023-11-12 00:47:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_free_early_irq [2023-11-12 00:47:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_free_early_irq [2023-11-12 00:47:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:47:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-12 00:47:47,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-12 00:47:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_do_pci_sleep [2023-11-12 00:47:47,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_do_pci_sleep [2023-11-12 00:47:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_kill_tasklet [2023-11-12 00:47:47,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_kill_tasklet [2023-11-12 00:47:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_remove [2023-11-12 00:47:47,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_remove [2023-11-12 00:47:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:47:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_err [2023-11-12 00:47:47,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_err [2023-11-12 00:47:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 00:47:47,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 00:47:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_disable_and_clear_legacy_irq [2023-11-12 00:47:47,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_disable_and_clear_legacy_irq [2023-11-12 00:47:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 00:47:47,545 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 00:47:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-12 00:47:47,546 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-12 00:47:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_irq_pending [2023-11-12 00:47:47,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_irq_pending [2023-11-12 00:47:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-12 00:47:47,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-12 00:47:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:47:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:47:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 00:47:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 00:47:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 00:47:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 00:47:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-11-12 00:47:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-11-12 00:47:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-12 00:47:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-12 00:47:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_write32 [2023-11-12 00:47:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_write32 [2023-11-12 00:47:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_map_service_to_pipe [2023-11-12 00:47:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_map_service_to_pipe [2023-11-12 00:47:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msi_block [2023-11-12 00:47:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msi_block [2023-11-12 00:47:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:47:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:47:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:47:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:47:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_warn [2023-11-12 00:47:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_warn [2023-11-12 00:47:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:47:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2023-11-12 00:47:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2023-11-12 00:47:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:47:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:47:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-12 00:47:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-12 00:47:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-12 00:47:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-12 00:47:47,556 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_dbg_dump [2023-11-12 00:47:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_dbg_dump [2023-11-12 00:47:47,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2023-11-12 00:47:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2023-11-12 00:47:47,557 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_power_up [2023-11-12 00:47:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_power_up [2023-11-12 00:47:47,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:47:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:47:47,558 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_deinit_irq [2023-11-12 00:47:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_deinit_irq [2023-11-12 00:47:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_master [2023-11-12 00:47:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_master [2023-11-12 00:47:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-12 00:47:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-12 00:47:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure host_interest_item_address [2023-11-12 00:47:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure host_interest_item_address [2023-11-12 00:47:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_read_mem [2023-11-12 00:47:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_read_mem [2023-11-12 00:47:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2023-11-12 00:47:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2023-11-12 00:47:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2023-11-12 00:47:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2023-11-12 00:47:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_cancel_send_next [2023-11-12 00:47:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_cancel_send_next [2023-11-12 00:47:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:47:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:47:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:47:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_engine_int_status_clear [2023-11-12 00:47:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_engine_int_status_clear [2023-11-12 00:47:48,808 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:47:48,813 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:47:49,038 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:47:55,974 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:47:56,335 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:47:59,082 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:47:59,083 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 00:47:59,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:47:59 BoogieIcfgContainer [2023-11-12 00:47:59,090 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:47:59,093 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:47:59,093 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:47:59,097 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:47:59,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:47:41" (1/3) ... [2023-11-12 00:47:59,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c947782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:47:59, skipping insertion in model container [2023-11-12 00:47:59,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:46" (2/3) ... [2023-11-12 00:47:59,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c947782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:47:59, skipping insertion in model container [2023-11-12 00:47:59,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:47:59" (3/3) ... [2023-11-12 00:47:59,101 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2023-11-12 00:47:59,124 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:47:59,124 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:47:59,252 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:47:59,260 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;@3c8c04e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:47:59,261 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:47:59,279 INFO L276 IsEmpty]: Start isEmpty. Operand has 2219 states, 1288 states have (on average 1.2903726708074534) internal successors, (1662), 1339 states have internal predecessors, (1662), 798 states have call successors, (798), 137 states have call predecessors, (798), 136 states have return successors, (789), 782 states have call predecessors, (789), 789 states have call successors, (789) [2023-11-12 00:47:59,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-12 00:47:59,322 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:59,323 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, 1] [2023-11-12 00:47:59,324 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:47:59,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:59,333 INFO L85 PathProgramCache]: Analyzing trace with hash -815830299, now seen corresponding path program 1 times [2023-11-12 00:47:59,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:59,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045046980] [2023-11-12 00:47:59,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:59,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:48:00,408 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2023-11-12 00:48:00,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:48:00,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045046980] [2023-11-12 00:48:00,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045046980] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:48:00,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:48:00,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:48:00,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378767291] [2023-11-12 00:48:00,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:48:00,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:48:00,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:48:00,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:48:00,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:48:00,460 INFO L87 Difference]: Start difference. First operand has 2219 states, 1288 states have (on average 1.2903726708074534) internal successors, (1662), 1339 states have internal predecessors, (1662), 798 states have call successors, (798), 137 states have call predecessors, (798), 136 states have return successors, (789), 782 states have call predecessors, (789), 789 states have call successors, (789) 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-12 00:48:02,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:48:06,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:48:07,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:48:07,965 INFO L93 Difference]: Finished difference Result 6499 states and 9565 transitions. [2023-11-12 00:48:07,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:48:07,968 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 171 [2023-11-12 00:48:07,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:48:08,028 INFO L225 Difference]: With dead ends: 6499 [2023-11-12 00:48:08,028 INFO L226 Difference]: Without dead ends: 4296 [2023-11-12 00:48:08,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:48:08,053 INFO L413 NwaCegarLoop]: 2897 mSDtfsCounter, 3109 mSDsluCounter, 2848 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3109 SdHoareTripleChecker+Valid, 5745 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-11-12 00:48:08,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3109 Valid, 5745 Invalid, 688 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2023-11-12 00:48:08,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4296 states. [2023-11-12 00:48:08,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4296 to 4296. [2023-11-12 00:48:08,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4296 states, 2496 states have (on average 1.2860576923076923) internal successors, (3210), 2587 states have internal predecessors, (3210), 1531 states have call successors, (1531), 269 states have call predecessors, (1531), 268 states have return successors, (1527), 1513 states have call predecessors, (1527), 1527 states have call successors, (1527) [2023-11-12 00:48:08,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4296 states to 4296 states and 6268 transitions. [2023-11-12 00:48:08,672 INFO L78 Accepts]: Start accepts. Automaton has 4296 states and 6268 transitions. Word has length 171 [2023-11-12 00:48:08,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:48:08,676 INFO L495 AbstractCegarLoop]: Abstraction has 4296 states and 6268 transitions. [2023-11-12 00:48:08,676 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-12 00:48:08,676 INFO L276 IsEmpty]: Start isEmpty. Operand 4296 states and 6268 transitions. [2023-11-12 00:48:08,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-11-12 00:48:08,701 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:48:08,702 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, 1] [2023-11-12 00:48:08,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:48:08,702 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:48:08,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:48:08,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1545575354, now seen corresponding path program 1 times [2023-11-12 00:48:08,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:48:08,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393204017] [2023-11-12 00:48:08,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:48:08,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:48:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:48:09,984 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 999 trivial. 0 not checked. [2023-11-12 00:48:09,984 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:48:09,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393204017] [2023-11-12 00:48:09,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393204017] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:48:09,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:48:09,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 00:48:09,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126806965] [2023-11-12 00:48:09,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:48:09,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:48:09,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:48:09,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:48:09,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:48:09,988 INFO L87 Difference]: Start difference. First operand 4296 states and 6268 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-12 00:48:12,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:48:13,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:48:15,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:48:16,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:48:20,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:48:20,089 INFO L93 Difference]: Finished difference Result 4302 states and 6273 transitions. [2023-11-12 00:48:20,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:48:20,091 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 215 [2023-11-12 00:48:20,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:48:20,128 INFO L225 Difference]: With dead ends: 4302 [2023-11-12 00:48:20,128 INFO L226 Difference]: Without dead ends: 4300 [2023-11-12 00:48:20,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:48:20,134 INFO L413 NwaCegarLoop]: 2860 mSDtfsCounter, 3143 mSDsluCounter, 5715 mSDsCounter, 0 mSdLazyCounter, 1007 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3145 SdHoareTripleChecker+Valid, 8575 SdHoareTripleChecker+Invalid, 1008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2023-11-12 00:48:20,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3145 Valid, 8575 Invalid, 1008 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1007 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2023-11-12 00:48:20,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4300 states. [2023-11-12 00:48:20,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4300 to 4300. [2023-11-12 00:48:20,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4300 states, 2499 states have (on average 1.2857142857142858) internal successors, (3213), 2590 states have internal predecessors, (3213), 1531 states have call successors, (1531), 270 states have call predecessors, (1531), 269 states have return successors, (1527), 1513 states have call predecessors, (1527), 1527 states have call successors, (1527) [2023-11-12 00:48:20,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4300 states to 4300 states and 6271 transitions. [2023-11-12 00:48:20,494 INFO L78 Accepts]: Start accepts. Automaton has 4300 states and 6271 transitions. Word has length 215 [2023-11-12 00:48:20,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:48:20,495 INFO L495 AbstractCegarLoop]: Abstraction has 4300 states and 6271 transitions. [2023-11-12 00:48:20,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-12 00:48:20,496 INFO L276 IsEmpty]: Start isEmpty. Operand 4300 states and 6271 transitions. [2023-11-12 00:48:20,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2023-11-12 00:48:20,506 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:48:20,506 INFO L195 NwaCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:48:20,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:48:20,507 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:48:20,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:48:20,517 INFO L85 PathProgramCache]: Analyzing trace with hash -996897500, now seen corresponding path program 1 times [2023-11-12 00:48:20,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:48:20,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660096650] [2023-11-12 00:48:20,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:48:20,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:48:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:48:21,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1009 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1007 trivial. 0 not checked. [2023-11-12 00:48:21,604 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:48:21,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660096650] [2023-11-12 00:48:21,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660096650] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:48:21,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:48:21,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 00:48:21,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689130724] [2023-11-12 00:48:21,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:48:21,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:48:21,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:48:21,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:48:21,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:48:21,610 INFO L87 Difference]: Start difference. First operand 4300 states and 6271 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-12 00:48:22,865 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 [] [2023-11-12 00:48:24,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:48:26,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []