./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efd557-060e-4832-aaba-e66a78aef783/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efd557-060e-4832-aaba-e66a78aef783/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_f1efd557-060e-4832-aaba-e66a78aef783/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efd557-060e-4832-aaba-e66a78aef783/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efd557-060e-4832-aaba-e66a78aef783/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_f1efd557-060e-4832-aaba-e66a78aef783/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 2c6aa6e54aa03d80dc4005d195dc80cde5e772aed59b94df03248a4abb3fc0ec --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:20:03,108 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:20:03,225 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efd557-060e-4832-aaba-e66a78aef783/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:20:03,234 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:20:03,235 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:20:03,286 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:20:03,287 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:20:03,288 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:20:03,289 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:20:03,294 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:20:03,295 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:20:03,295 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:20:03,296 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:20:03,297 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:20:03,298 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:20:03,298 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:20:03,299 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:20:03,299 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:20:03,299 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:20:03,300 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:20:03,300 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:20:03,301 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:20:03,302 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:20:03,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:20:03,303 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:20:03,303 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:20:03,304 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:20:03,304 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:20:03,305 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:20:03,305 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:20:03,307 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:20:03,307 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:20:03,307 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:20:03,307 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:20:03,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:03,308 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:20:03,309 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:20:03,309 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:20:03,309 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:20:03,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:20:03,310 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:20:03,310 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:20:03,311 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:20:03,311 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:20:03,311 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_f1efd557-060e-4832-aaba-e66a78aef783/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efd557-060e-4832-aaba-e66a78aef783/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c6aa6e54aa03d80dc4005d195dc80cde5e772aed59b94df03248a4abb3fc0ec [2023-11-23 21:20:03,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:20:03,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:20:03,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:20:03,652 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:20:03,653 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:20:03,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efd557-060e-4832-aaba-e66a78aef783/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i [2023-11-23 21:20:06,989 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:20:07,670 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:20:07,671 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efd557-060e-4832-aaba-e66a78aef783/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i [2023-11-23 21:20:07,737 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efd557-060e-4832-aaba-e66a78aef783/bin/utaipan-verify-mE87zJ7Ire/data/fb7c7171f/b84c5fc36b3d419e82d3ae566ff1bfda/FLAGe5e0697e6 [2023-11-23 21:20:07,758 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efd557-060e-4832-aaba-e66a78aef783/bin/utaipan-verify-mE87zJ7Ire/data/fb7c7171f/b84c5fc36b3d419e82d3ae566ff1bfda [2023-11-23 21:20:07,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:20:07,770 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:20:07,774 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:07,775 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:20:07,780 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:20:07,781 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:07" (1/1) ... [2023-11-23 21:20:07,782 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cb21725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:07, skipping insertion in model container [2023-11-23 21:20:07,782 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:07" (1/1) ... [2023-11-23 21:20:07,919 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:20:09,890 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_f1efd557-060e-4832-aaba-e66a78aef783/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i[284671,284684] [2023-11-23 21:20:09,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:10,016 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:20:10,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6219-6225] [2023-11-23 21:20:10,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "bts %2,%1\n\t" "sbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6232-6239] [2023-11-23 21:20:10,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [6248] [2023-11-23 21:20:10,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/arch/x86/include/asm/paravirt.h"), "i" (853), "i" (sizeof(struct bug_entry ))); [6305-6311] [2023-11-23 21:20:10,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("" "771:\n\t" "call *%c[paravirt_opptr];" "\n" "772:\n" ".pushsection .parainstructions,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " " 771b\n" " .byte " "%c[paravirt_typenum]" "\n" " .byte 772b-771b\n" " .short " "%c[paravirt_clobber]" "\n" ".popsection\n" "": "=a" (__eax): [paravirt_typenum] "i" ((unsigned long )((unsigned int )(& ((struct paravirt_patch_template *)0)->pv_irq_ops.save_fl.func)) / sizeof(void *)), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6331-6355] [2023-11-23 21:20:10,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("" "771:\n\t" "call *%c[paravirt_opptr];" "\n" "772:\n" ".pushsection .parainstructions,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " " 771b\n" " .byte " "%c[paravirt_typenum]" "\n" " .byte 772b-771b\n" " .short " "%c[paravirt_clobber]" "\n" ".popsection\n" "": "=a" (__eax): [paravirt_typenum] "i" ((unsigned long )((unsigned int )(& ((struct paravirt_patch_template *)0)->pv_irq_ops.save_fl.func)) / sizeof(void *)), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6358-6382] [2023-11-23 21:20:10,421 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_f1efd557-060e-4832-aaba-e66a78aef783/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i[284671,284684] [2023-11-23 21:20:10,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:10,524 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:20:10,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:10 WrapperNode [2023-11-23 21:20:10,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:10,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:10,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:20:10,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:20:10,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:10" (1/1) ... [2023-11-23 21:20:10,633 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:10" (1/1) ... [2023-11-23 21:20:10,815 INFO L138 Inliner]: procedures = 177, calls = 1697, calls flagged for inlining = 87, calls inlined = 82, statements flattened = 4036 [2023-11-23 21:20:10,815 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:10,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:20:10,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:20:10,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:20:10,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:10" (1/1) ... [2023-11-23 21:20:10,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:10" (1/1) ... [2023-11-23 21:20:10,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:10" (1/1) ... [2023-11-23 21:20:10,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:10" (1/1) ... [2023-11-23 21:20:11,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:10" (1/1) ... [2023-11-23 21:20:11,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:10" (1/1) ... [2023-11-23 21:20:11,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:10" (1/1) ... [2023-11-23 21:20:11,097 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:10" (1/1) ... [2023-11-23 21:20:11,199 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:20:11,200 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:20:11,200 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:20:11,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:20:11,201 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:10" (1/1) ... [2023-11-23 21:20:11,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:11,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efd557-060e-4832-aaba-e66a78aef783/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:20:11,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efd557-060e-4832-aaba-e66a78aef783/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:20:11,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efd557-060e-4832-aaba-e66a78aef783/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:20:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:20:11,281 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:20:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-23 21:20:11,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-23 21:20:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 21:20:11,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 21:20:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_free_iso_urbs [2023-11-23 21:20:11,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_free_iso_urbs [2023-11-23 21:20:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:20:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-11-23 21:20:11,283 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-11-23 21:20:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2023-11-23 21:20:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2023-11-23 21:20:11,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:20:11,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:20:11,284 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2023-11-23 21:20:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2023-11-23 21:20:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:20:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_dvb [2023-11-23 21:20:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_dvb [2023-11-23 21:20:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2023-11-23 21:20:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2023-11-23 21:20:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2023-11-23 21:20:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2023-11-23 21:20:11,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:20:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:20:11,288 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-23 21:20:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-23 21:20:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:20:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:20:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-23 21:20:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-23 21:20:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-11-23 21:20:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-11-23 21:20:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:20:11,290 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:20:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_iso_xfer [2023-11-23 21:20:11,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_iso_xfer [2023-11-23 21:20:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-23 21:20:11,290 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-23 21:20:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_send_command [2023-11-23 21:20:11,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_send_command [2023-11-23 21:20:11,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:20:11,291 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:20:11,291 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:20:11,291 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_setup_urbs [2023-11-23 21:20:11,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_setup_urbs [2023-11-23 21:20:11,291 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2023-11-23 21:20:11,292 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2023-11-23 21:20:11,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2023-11-23 21:20:11,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2023-11-23 21:20:11,292 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_pids [2023-11-23 21:20:11,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_pids [2023-11-23 21:20:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit [2023-11-23 21:20:11,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit [2023-11-23 21:20:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_usb [2023-11-23 21:20:11,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_usb [2023-11-23 21:20:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2023-11-23 21:20:11,295 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2023-11-23 21:20:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:20:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:20:11,295 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:20:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init [2023-11-23 21:20:11,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init [2023-11-23 21:20:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:20:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:20:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:20:11,297 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2023-11-23 21:20:11,297 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2023-11-23 21:20:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:20:11,298 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:20:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:20:11,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:20:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:20:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-23 21:20:11,298 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-23 21:20:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:20:11,299 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:20:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-11-23 21:20:11,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-11-23 21:20:11,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:20:11,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:20:11,300 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_probe [2023-11-23 21:20:11,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_probe [2023-11-23 21:20:11,300 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:20:11,301 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:20:11,301 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 21:20:11,301 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 21:20:11,301 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2023-11-23 21:20:11,301 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2023-11-23 21:20:11,301 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-23 21:20:11,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-23 21:20:11,302 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:20:11,302 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:20:11,302 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:20:11,302 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:20:11,302 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-23 21:20:11,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-23 21:20:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_dvb [2023-11-23 21:20:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_dvb [2023-11-23 21:20:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-23 21:20:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-23 21:20:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:20:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:20:11,304 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_disconnect [2023-11-23 21:20:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_disconnect [2023-11-23 21:20:11,304 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-23 21:20:11,305 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-23 21:20:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2023-11-23 21:20:11,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2023-11-23 21:20:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_model [2023-11-23 21:20:11,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_model [2023-11-23 21:20:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-11-23 21:20:11,306 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-11-23 21:20:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:20:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2023-11-23 21:20:11,307 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2023-11-23 21:20:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_iso_xfer [2023-11-23 21:20:11,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_iso_xfer [2023-11-23 21:20:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-11-23 21:20:11,307 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-11-23 21:20:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts_init [2023-11-23 21:20:11,308 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts_init [2023-11-23 21:20:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:20:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:20:11,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:20:11,921 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:20:11,925 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:20:12,246 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-23 21:20:12,403 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !false; [2023-11-23 21:20:12,404 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume false; [2023-11-23 21:20:12,778 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-23 21:20:14,094 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##282: assume !false; [2023-11-23 21:20:14,095 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##281: assume false; [2023-11-23 21:20:14,530 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2023-11-23 21:20:14,557 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-23 21:20:14,558 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-23 21:20:17,049 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume !false; [2023-11-23 21:20:17,050 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume false; [2023-11-23 21:20:17,050 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume !false; [2023-11-23 21:20:17,050 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume false; [2023-11-23 21:20:17,050 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L8653: ttusb_dec_start_feed_#res#1 := 0; [2023-11-23 21:20:17,649 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-23 21:20:18,633 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2023-11-23 21:20:18,633 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2023-11-23 21:20:18,723 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:20:19,736 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:20:19,737 INFO L309 CfgBuilder]: Removed 38 assume(true) statements. [2023-11-23 21:20:19,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:19 BoogieIcfgContainer [2023-11-23 21:20:19,740 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:20:19,744 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:20:19,750 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:20:19,755 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:20:19,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:20:07" (1/3) ... [2023-11-23 21:20:19,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@388bd788 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:19, skipping insertion in model container [2023-11-23 21:20:19,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:10" (2/3) ... [2023-11-23 21:20:19,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@388bd788 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:19, skipping insertion in model container [2023-11-23 21:20:19,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:19" (3/3) ... [2023-11-23 21:20:19,761 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i [2023-11-23 21:20:19,783 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:20:19,784 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:20:19,881 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:20:19,889 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;@14d51aa2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:20:19,890 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:20:19,899 INFO L276 IsEmpty]: Start isEmpty. Operand has 952 states, 629 states have (on average 1.3863275039745628) internal successors, (872), 653 states have internal predecessors, (872), 267 states have call successors, (267), 55 states have call predecessors, (267), 54 states have return successors, (265), 259 states have call predecessors, (265), 265 states have call successors, (265) [2023-11-23 21:20:19,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 21:20:19,908 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:19,909 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:20:19,909 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:19,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:19,916 INFO L85 PathProgramCache]: Analyzing trace with hash 207523640, now seen corresponding path program 1 times [2023-11-23 21:20:19,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:20:19,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682958540] [2023-11-23 21:20:19,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:19,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:20:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:20:23,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:20:23,824 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:20:23,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682958540] [2023-11-23 21:20:23,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682958540] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:20:23,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:20:23,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:20:23,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195134044] [2023-11-23 21:20:23,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:20:23,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:20:23,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:20:23,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:20:23,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:20:23,878 INFO L87 Difference]: Start difference. First operand has 952 states, 629 states have (on average 1.3863275039745628) internal successors, (872), 653 states have internal predecessors, (872), 267 states have call successors, (267), 55 states have call predecessors, (267), 54 states have return successors, (265), 259 states have call predecessors, (265), 265 states have call successors, (265) Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:20:26,612 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 21:20:28,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:20:30,631 WARN L539 Checker$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 21:20:32,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:20:35,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:20:36,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:20:37,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:20:39,484 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 21:20:40,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:20:40,298 INFO L93 Difference]: Finished difference Result 1903 states and 2856 transitions. [2023-11-23 21:20:40,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:20:40,301 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-23 21:20:40,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:20:40,324 INFO L225 Difference]: With dead ends: 1903 [2023-11-23 21:20:40,325 INFO L226 Difference]: Without dead ends: 953 [2023-11-23 21:20:40,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:20:40,341 INFO L413 NwaCegarLoop]: 1234 mSDtfsCounter, 24 mSDsluCounter, 3675 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 36 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 4909 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:20:40,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 4909 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 518 Invalid, 5 Unknown, 0 Unchecked, 16.2s Time] [2023-11-23 21:20:40,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2023-11-23 21:20:40,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 948. [2023-11-23 21:20:40,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 628 states have (on average 1.3121019108280254) internal successors, (824), 644 states have internal predecessors, (824), 265 states have call successors, (265), 54 states have call predecessors, (265), 54 states have return successors, (262), 256 states have call predecessors, (262), 261 states have call successors, (262) [2023-11-23 21:20:40,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1351 transitions. [2023-11-23 21:20:40,519 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1351 transitions. Word has length 12 [2023-11-23 21:20:40,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:20:40,520 INFO L495 AbstractCegarLoop]: Abstraction has 948 states and 1351 transitions. [2023-11-23 21:20:40,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:20:40,521 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1351 transitions. [2023-11-23 21:20:40,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 21:20:40,522 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:40,522 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:20:40,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:20:40,523 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:40,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:40,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1952802876, now seen corresponding path program 1 times [2023-11-23 21:20:40,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:20:40,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113768049] [2023-11-23 21:20:40,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:40,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:20:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:20:43,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:20:43,393 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:20:43,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113768049] [2023-11-23 21:20:43,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113768049] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:20:43,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:20:43,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:20:43,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935502871] [2023-11-23 21:20:43,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:20:43,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:20:43,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:20:43,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:20:43,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:20:43,398 INFO L87 Difference]: Start difference. First operand 948 states and 1351 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:20:45,684 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 21:20:48,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:20:51,925 WARN L539 Checker$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 21:20:53,935 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 21:20:54,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:20:54,188 INFO L93 Difference]: Finished difference Result 2797 states and 4024 transitions. [2023-11-23 21:20:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:20:54,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2023-11-23 21:20:54,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:20:54,211 INFO L225 Difference]: With dead ends: 2797 [2023-11-23 21:20:54,212 INFO L226 Difference]: Without dead ends: 1863 [2023-11-23 21:20:54,218 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 21:20:54,220 INFO L413 NwaCegarLoop]: 1592 mSDtfsCounter, 1315 mSDsluCounter, 1214 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1315 SdHoareTripleChecker+Valid, 2806 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:20:54,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1315 Valid, 2806 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 284 Invalid, 4 Unknown, 0 Unchecked, 10.6s Time] [2023-11-23 21:20:54,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1863 states. [2023-11-23 21:20:54,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1863 to 1858. [2023-11-23 21:20:54,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1858 states, 1231 states have (on average 1.3127538586515028) internal successors, (1616), 1261 states have internal predecessors, (1616), 521 states have call successors, (521), 106 states have call predecessors, (521), 105 states have return successors, (530), 503 states have call predecessors, (530), 517 states have call successors, (530) [2023-11-23 21:20:54,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 1858 states and 2667 transitions. [2023-11-23 21:20:54,395 INFO L78 Accepts]: Start accepts. Automaton has 1858 states and 2667 transitions. Word has length 16 [2023-11-23 21:20:54,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:20:54,395 INFO L495 AbstractCegarLoop]: Abstraction has 1858 states and 2667 transitions. [2023-11-23 21:20:54,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:20:54,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 2667 transitions. [2023-11-23 21:20:54,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 21:20:54,397 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:54,397 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:20:54,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:20:54,398 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:54,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:54,411 INFO L85 PathProgramCache]: Analyzing trace with hash -407843096, now seen corresponding path program 1 times [2023-11-23 21:20:54,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:20:54,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095297125] [2023-11-23 21:20:54,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:54,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:20:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:20:57,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:20:57,116 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:20:57,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095297125] [2023-11-23 21:20:57,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095297125] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:20:57,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:20:57,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:20:57,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597552224] [2023-11-23 21:20:57,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:20:57,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:20:57,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:20:57,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:20:57,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:20:57,121 INFO L87 Difference]: Start difference. First operand 1858 states and 2667 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:20:59,367 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 21:21:01,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []