./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_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_c46cf97b-a117-41df-896a-5441155aa532/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46cf97b-a117-41df-896a-5441155aa532/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_c46cf97b-a117-41df-896a-5441155aa532/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46cf97b-a117-41df-896a-5441155aa532/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46cf97b-a117-41df-896a-5441155aa532/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_c46cf97b-a117-41df-896a-5441155aa532/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 209eb675960851982fc4368f14d1ba0202934f92c4fe60f38f28bc9e128aeee3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:20:51,713 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:20:51,803 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46cf97b-a117-41df-896a-5441155aa532/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:20:51,810 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:20:51,810 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:20:51,842 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:20:51,843 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:20:51,844 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:20:51,845 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:20:51,846 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:20:51,846 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:20:51,847 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:20:51,848 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:20:51,848 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:20:51,849 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:20:51,850 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:20:51,850 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:20:51,851 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:20:51,851 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:20:51,852 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:20:51,853 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:20:51,853 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:20:51,854 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:20:51,855 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:20:51,855 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:20:51,856 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:20:51,856 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:20:51,857 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:20:51,857 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:20:51,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:20:51,858 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:20:51,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:20:51,859 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:20:51,861 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:20:51,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:51,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:20:51,862 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:20:51,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:20:51,863 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:20:51,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:20:51,864 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:20:51,864 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:20:51,865 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:20:51,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:20:51,866 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_c46cf97b-a117-41df-896a-5441155aa532/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46cf97b-a117-41df-896a-5441155aa532/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 209eb675960851982fc4368f14d1ba0202934f92c4fe60f38f28bc9e128aeee3 [2023-11-23 21:20:52,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:20:52,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:20:52,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:20:52,210 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:20:52,211 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:20:52,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46cf97b-a117-41df-896a-5441155aa532/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2023-11-23 21:20:55,583 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:20:56,307 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:20:56,308 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46cf97b-a117-41df-896a-5441155aa532/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2023-11-23 21:20:56,390 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46cf97b-a117-41df-896a-5441155aa532/bin/utaipan-verify-mE87zJ7Ire/data/9d26dd378/591e2d77a5c946ae917b40423577a86f/FLAGf8c1c9805 [2023-11-23 21:20:56,408 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46cf97b-a117-41df-896a-5441155aa532/bin/utaipan-verify-mE87zJ7Ire/data/9d26dd378/591e2d77a5c946ae917b40423577a86f [2023-11-23 21:20:56,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:20:56,415 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:20:56,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:56,417 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:20:56,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:20:56,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:56" (1/1) ... [2023-11-23 21:20:56,430 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@645afe20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:56, skipping insertion in model container [2023-11-23 21:20:56,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:56" (1/1) ... [2023-11-23 21:20:56,693 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:21:00,383 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_c46cf97b-a117-41df-896a-5441155aa532/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[403525,403538] [2023-11-23 21:21:00,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:00,491 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:21:00,752 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"); [6720] [2023-11-23 21:21:00,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6727] [2023-11-23 21:21:00,757 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)); [6742-6743] [2023-11-23 21:21:00,758 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/e5e3e20/linux-drivers-clk1/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6772-6773] [2023-11-23 21:21:00,759 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"); [6778-6780] [2023-11-23 21:21:00,770 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)); [6807] [2023-11-23 21:21:00,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6814] [2023-11-23 21:21:00,786 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)); [7000-7001] [2023-11-23 21:21:00,790 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)); [7034-7035] [2023-11-23 21:21:00,792 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)); [7071-7072] [2023-11-23 21:21:01,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [13834] [2023-11-23 21:21:01,202 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_c46cf97b-a117-41df-896a-5441155aa532/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[403525,403538] [2023-11-23 21:21:01,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:21:01,417 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:21:01,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:01 WrapperNode [2023-11-23 21:21:01,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:01,420 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:01,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:21:01,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:21:01,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:01" (1/1) ... [2023-11-23 21:21:01,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:01" (1/1) ... [2023-11-23 21:21:01,979 INFO L138 Inliner]: procedures = 415, calls = 2564, calls flagged for inlining = 227, calls inlined = 221, statements flattened = 7138 [2023-11-23 21:21:01,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:21:01,981 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:21:01,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:21:01,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:21:01,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:01" (1/1) ... [2023-11-23 21:21:01,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:01" (1/1) ... [2023-11-23 21:21:02,045 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:01" (1/1) ... [2023-11-23 21:21:02,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:01" (1/1) ... [2023-11-23 21:21:02,250 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:01" (1/1) ... [2023-11-23 21:21:02,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:01" (1/1) ... [2023-11-23 21:21:02,348 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:01" (1/1) ... [2023-11-23 21:21:02,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:01" (1/1) ... [2023-11-23 21:21:02,453 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:21:02,455 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:21:02,455 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:21:02,455 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:21:02,456 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:01" (1/1) ... [2023-11-23 21:21:02,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:02,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46cf97b-a117-41df-896a-5441155aa532/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:21:02,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46cf97b-a117-41df-896a-5441155aa532/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:21:02,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c46cf97b-a117-41df-896a-5441155aa532/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:21:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_per_engine_handler_adjust [2023-11-23 21:21:02,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_per_engine_handler_adjust [2023-11-23 21:21:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:21:02,542 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:21:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-11-23 21:21:02,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-11-23 21:21:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_core_destroy [2023-11-23 21:21:02,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_core_destroy [2023-11-23 21:21:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:21:02,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:21:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 21:21:02,543 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 21:21:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_watermark_intr_disable [2023-11-23 21:21:02,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_watermark_intr_disable [2023-11-23 21:21:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:21:02,544 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:21:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_completed_recv_next [2023-11-23 21:21:02,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_completed_recv_next [2023-11-23 21:21:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-23 21:21:02,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-23 21:21:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_completed_send_next [2023-11-23 21:21:02,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_completed_send_next [2023-11-23 21:21:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:21:02,545 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:21:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_ce_deinit [2023-11-23 21:21:02,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_ce_deinit [2023-11-23 21:21:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_start [2023-11-23 21:21:02,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_start [2023-11-23 21:21:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_resume [2023-11-23 21:21:02,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_resume [2023-11-23 21:21:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:21:02,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:21:02,547 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_read32 [2023-11-23 21:21:02,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_read32 [2023-11-23 21:21:02,547 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-23 21:21:02,547 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-23 21:21:02,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:21:02,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:21:02,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ath10k_pci_exit_13_2 [2023-11-23 21:21:02,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ath10k_pci_exit_13_2 [2023-11-23 21:21:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_dbg [2023-11-23 21:21:02,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_dbg [2023-11-23 21:21:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2023-11-23 21:21:02,548 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2023-11-23 21:21:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:21:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2023-11-23 21:21:02,549 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2023-11-23 21:21:02,549 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_write_mem [2023-11-23 21:21:02,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_write_mem [2023-11-23 21:21:02,549 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 21:21:02,549 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 21:21:02,549 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:21:02,549 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:21:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_base_address [2023-11-23 21:21:02,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_base_address [2023-11-23 21:21:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_write_access [2023-11-23 21:21:02,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_write_access [2023-11-23 21:21:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-23 21:21:02,550 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-23 21:21:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:21:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:21:02,551 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:21:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 21:21:02,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 21:21:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:21:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:21:02,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:21:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:21:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:21:02,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:21:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:21:02,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:21:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-23 21:21:02,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-23 21:21:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:21:02,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:21:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_wake [2023-11-23 21:21:02,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_wake [2023-11-23 21:21:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:21:02,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:21:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_copy_complete_intr_disable [2023-11-23 21:21:02,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_copy_complete_intr_disable [2023-11-23 21:21:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure get_free_compl [2023-11-23 21:21:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure get_free_compl [2023-11-23 21:21:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_process_ce [2023-11-23 21:21:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_process_ce [2023-11-23 21:21:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_reg_read32 [2023-11-23 21:21:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_reg_read32 [2023-11-23 21:21:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-23 21:21:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-23 21:21:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-23 21:21:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-23 21:21:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:21:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:21:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_do_pci_wake [2023-11-23 21:21:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_do_pci_wake [2023-11-23 21:21:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_cleanup_ce [2023-11-23 21:21:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_cleanup_ce [2023-11-23 21:21:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_disable_interrupts [2023-11-23 21:21:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_disable_interrupts [2023-11-23 21:21:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:21:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_info [2023-11-23 21:21:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_info [2023-11-23 21:21:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 21:21:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 21:21:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 21:21:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 21:21:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_sleep [2023-11-23 21:21:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_sleep [2023-11-23 21:21:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-23 21:21:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-23 21:21:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-23 21:21:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-23 21:21:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:21:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:21:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:21:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:21:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:21:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_request_early_irq [2023-11-23 21:21:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_request_early_irq [2023-11-23 21:21:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:21:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-23 21:21:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-23 21:21:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:21:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:21:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_reg_write32 [2023-11-23 21:21:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_reg_write32 [2023-11-23 21:21:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:21:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:21:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-11-23 21:21:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-11-23 21:21:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_get_free_queue_number [2023-11-23 21:21:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_get_free_queue_number [2023-11-23 21:21:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_stop [2023-11-23 21:21:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_stop [2023-11-23 21:21:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_recv_buf_enqueue [2023-11-23 21:21:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_recv_buf_enqueue [2023-11-23 21:21:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_priv [2023-11-23 21:21:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_priv [2023-11-23 21:21:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:21:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:21:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 21:21:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 21:21:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_deinit [2023-11-23 21:21:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_deinit [2023-11-23 21:21:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure __roundup_pow_of_two [2023-11-23 21:21:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __roundup_pow_of_two [2023-11-23 21:21:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:21:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:21:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_rx_pipe_cleanup [2023-11-23 21:21:02,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_rx_pipe_cleanup [2023-11-23 21:21:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_revoke_recv_next [2023-11-23 21:21:02,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_revoke_recv_next [2023-11-23 21:21:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_read_access [2023-11-23 21:21:02,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_read_access [2023-11-23 21:21:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-23 21:21:02,564 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-23 21:21:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_stop_ce [2023-11-23 21:21:02,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_stop_ce [2023-11-23 21:21:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_device_reset [2023-11-23 21:21:02,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_device_reset [2023-11-23 21:21:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 21:21:02,564 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 21:21:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:21:02,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:21:02,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:21:02,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:21:02,565 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_post_rx_pipe [2023-11-23 21:21:02,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_post_rx_pipe [2023-11-23 21:21:02,565 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_free_irq [2023-11-23 21:21:02,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_free_irq [2023-11-23 21:21:02,566 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-23 21:21:02,566 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-23 21:21:02,566 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2023-11-23 21:21:02,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2023-11-23 21:21:02,566 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_power_down [2023-11-23 21:21:02,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_power_down [2023-11-23 21:21:02,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-23 21:21:02,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-23 21:21:02,567 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_per_engine_service [2023-11-23 21:21:02,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_per_engine_service [2023-11-23 21:21:02,567 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-23 21:21:02,567 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-23 21:21:02,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:21:02,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:21:02,567 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_send [2023-11-23 21:21:02,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_send [2023-11-23 21:21:02,568 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_suspend [2023-11-23 21:21:02,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_suspend [2023-11-23 21:21:02,568 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-23 21:21:02,568 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-23 21:21:02,568 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2023-11-23 21:21:02,568 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2023-11-23 21:21:02,568 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-23 21:21:02,569 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-23 21:21:02,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:21:02,569 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:21:02,569 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:21:02,569 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_src_ring_read_index_get [2023-11-23 21:21:02,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_src_ring_read_index_get [2023-11-23 21:21:02,569 INFO L130 BoogieDeclarations]: Found specification of procedure ATH10K_SKB_CB [2023-11-23 21:21:02,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ATH10K_SKB_CB [2023-11-23 21:21:02,570 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_free_early_irq [2023-11-23 21:21:02,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_free_early_irq [2023-11-23 21:21:02,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:21:02,570 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-23 21:21:02,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-23 21:21:02,570 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_do_pci_sleep [2023-11-23 21:21:02,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_do_pci_sleep [2023-11-23 21:21:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_kill_tasklet [2023-11-23 21:21:02,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_kill_tasklet [2023-11-23 21:21:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_remove [2023-11-23 21:21:02,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_remove [2023-11-23 21:21:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:21:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_err [2023-11-23 21:21:02,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_err [2023-11-23 21:21:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 21:21:02,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 21:21:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_disable_and_clear_legacy_irq [2023-11-23 21:21:02,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_disable_and_clear_legacy_irq [2023-11-23 21:21:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:21:02,572 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:21:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-23 21:21:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-23 21:21:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_irq_pending [2023-11-23 21:21:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_irq_pending [2023-11-23 21:21:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-23 21:21:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-23 21:21:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:21:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:21:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-23 21:21:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-23 21:21:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 21:21:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 21:21:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-11-23 21:21:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-11-23 21:21:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 21:21:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 21:21:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_write32 [2023-11-23 21:21:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_write32 [2023-11-23 21:21:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_map_service_to_pipe [2023-11-23 21:21:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_map_service_to_pipe [2023-11-23 21:21:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msi_block [2023-11-23 21:21:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msi_block [2023-11-23 21:21:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 21:21:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 21:21:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:21:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:21:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_warn [2023-11-23 21:21:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_warn [2023-11-23 21:21:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:21:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2023-11-23 21:21:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2023-11-23 21:21:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:21:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:21:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-23 21:21:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-23 21:21:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-23 21:21:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-23 21:21:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_dbg_dump [2023-11-23 21:21:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_dbg_dump [2023-11-23 21:21:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2023-11-23 21:21:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2023-11-23 21:21:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_power_up [2023-11-23 21:21:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_power_up [2023-11-23 21:21:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:21:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:21:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_deinit_irq [2023-11-23 21:21:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_deinit_irq [2023-11-23 21:21:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_master [2023-11-23 21:21:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_master [2023-11-23 21:21:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-23 21:21:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-23 21:21:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure host_interest_item_address [2023-11-23 21:21:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure host_interest_item_address [2023-11-23 21:21:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_read_mem [2023-11-23 21:21:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_read_mem [2023-11-23 21:21:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2023-11-23 21:21:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2023-11-23 21:21:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2023-11-23 21:21:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2023-11-23 21:21:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_cancel_send_next [2023-11-23 21:21:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_cancel_send_next [2023-11-23 21:21:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:21:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:21:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:21:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_engine_int_status_clear [2023-11-23 21:21:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_engine_int_status_clear [2023-11-23 21:21:03,931 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:21:03,937 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:21:04,195 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:21:11,902 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:21:12,204 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:21:15,103 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:21:15,103 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-23 21:21:15,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:15 BoogieIcfgContainer [2023-11-23 21:21:15,107 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:21:15,111 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:21:15,111 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:21:15,114 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:21:15,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:20:56" (1/3) ... [2023-11-23 21:21:15,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758f5b17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:15, skipping insertion in model container [2023-11-23 21:21:15,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:01" (2/3) ... [2023-11-23 21:21:15,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758f5b17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:21:15, skipping insertion in model container [2023-11-23 21:21:15,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:21:15" (3/3) ... [2023-11-23 21:21:15,120 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2023-11-23 21:21:15,141 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:21:15,141 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:21:15,259 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:21:15,266 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;@54c9b24f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:21:15,266 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:21:15,279 INFO L276 IsEmpty]: Start isEmpty. Operand has 2214 states, 1287 states have (on average 1.2905982905982907) internal successors, (1661), 1338 states have internal predecessors, (1661), 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 21:21:15,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-23 21:21:15,306 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:15,307 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 21:21:15,307 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:15,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:15,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1756094441, now seen corresponding path program 1 times [2023-11-23 21:21:15,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:21:15,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816506254] [2023-11-23 21:21:15,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:15,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:21:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:16,363 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 21:21:16,364 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:21:16,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816506254] [2023-11-23 21:21:16,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816506254] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:16,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:16,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:21:16,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056544992] [2023-11-23 21:21:16,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:16,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:21:16,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:21:16,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:21:16,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:21:16,409 INFO L87 Difference]: Start difference. First operand has 2214 states, 1287 states have (on average 1.2905982905982907) internal successors, (1661), 1338 states have internal predecessors, (1661), 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 21:21:18,642 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 21:21:20,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:22,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:26,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:21:26,734 INFO L93 Difference]: Finished difference Result 6489 states and 9548 transitions. [2023-11-23 21:21:26,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:21:26,738 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 21:21:26,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:21:26,800 INFO L225 Difference]: With dead ends: 6489 [2023-11-23 21:21:26,800 INFO L226 Difference]: Without dead ends: 4291 [2023-11-23 21:21:26,822 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 21:21:26,826 INFO L413 NwaCegarLoop]: 2889 mSDtfsCounter, 3109 mSDsluCounter, 2840 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3109 SdHoareTripleChecker+Valid, 5729 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2023-11-23 21:21:26,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3109 Valid, 5729 Invalid, 692 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 683 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2023-11-23 21:21:26,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4291 states. [2023-11-23 21:21:27,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4291 to 4291. [2023-11-23 21:21:27,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4291 states, 2495 states have (on average 1.2857715430861723) internal successors, (3208), 2585 states have internal predecessors, (3208), 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 21:21:27,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4291 states to 4291 states and 6261 transitions. [2023-11-23 21:21:27,335 INFO L78 Accepts]: Start accepts. Automaton has 4291 states and 6261 transitions. Word has length 170 [2023-11-23 21:21:27,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:21:27,343 INFO L495 AbstractCegarLoop]: Abstraction has 4291 states and 6261 transitions. [2023-11-23 21:21:27,343 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 21:21:27,343 INFO L276 IsEmpty]: Start isEmpty. Operand 4291 states and 6261 transitions. [2023-11-23 21:21:27,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-11-23 21:21:27,376 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:21:27,377 INFO L195 NwaCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:21:27,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:21:27,378 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:21:27,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:21:27,379 INFO L85 PathProgramCache]: Analyzing trace with hash -198696198, now seen corresponding path program 1 times [2023-11-23 21:21:27,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:21:27,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972738523] [2023-11-23 21:21:27,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:21:27,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:21:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:21:28,618 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 999 trivial. 0 not checked. [2023-11-23 21:21:28,619 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:21:28,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972738523] [2023-11-23 21:21:28,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972738523] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:21:28,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:21:28,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:21:28,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022989161] [2023-11-23 21:21:28,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:21:28,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:21:28,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:21:28,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:21:28,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:21:28,632 INFO L87 Difference]: Start difference. First operand 4291 states and 6261 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-23 21:21:30,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:32,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:34,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:21:36,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:21:36,141 INFO L93 Difference]: Finished difference Result 4291 states and 6261 transitions. [2023-11-23 21:21:36,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:21:36,142 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 214 [2023-11-23 21:21:36,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:21:36,147 INFO L225 Difference]: With dead ends: 4291 [2023-11-23 21:21:36,147 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:21:36,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:21:36,184 INFO L413 NwaCegarLoop]: 2853 mSDtfsCounter, 3127 mSDsluCounter, 2853 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3127 SdHoareTripleChecker+Valid, 5706 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:21:36,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3127 Valid, 5706 Invalid, 665 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2023-11-23 21:21:36,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:21:36,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:21:36,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:21:36,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:21:36,194 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 214 [2023-11-23 21:21:36,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:21:36,199 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:21:36,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-23 21:21:36,201 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:21:36,201 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:21:36,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:21:36,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:21:36,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.