./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374814f-888c-4390-b2a2-de88de06698c/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374814f-888c-4390-b2a2-de88de06698c/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374814f-888c-4390-b2a2-de88de06698c/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374814f-888c-4390-b2a2-de88de06698c/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374814f-888c-4390-b2a2-de88de06698c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374814f-888c-4390-b2a2-de88de06698c/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bc34b562a518e1962cb00b051353e0f6c91b97d77e3b06d95f31a41553709599 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:03:33,317 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:03:33,388 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374814f-888c-4390-b2a2-de88de06698c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-25 00:03:33,394 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:03:33,395 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:03:33,446 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:03:33,447 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:03:33,447 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:03:33,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:03:33,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:03:33,450 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:03:33,450 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:03:33,451 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:03:33,452 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:03:33,452 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:03:33,453 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:03:33,454 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:03:33,454 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:03:33,455 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:03:33,455 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:03:33,456 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:03:33,457 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:03:33,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:03:33,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:03:33,459 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:03:33,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:03:33,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:03:33,460 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:03:33,460 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:03:33,461 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:03:33,461 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:03:33,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:03:33,462 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:03:33,463 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:03:33,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:03:33,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:03:33,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:03:33,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:03:33,484 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:03:33,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:03:33,484 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:03:33,485 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:03:33,485 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:03:33,485 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:03:33,486 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_5374814f-888c-4390-b2a2-de88de06698c/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374814f-888c-4390-b2a2-de88de06698c/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc34b562a518e1962cb00b051353e0f6c91b97d77e3b06d95f31a41553709599 [2023-11-25 00:03:33,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:03:33,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:03:33,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:03:33,815 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:03:33,815 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:03:33,816 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374814f-888c-4390-b2a2-de88de06698c/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i [2023-11-25 00:03:36,893 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:03:37,580 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:03:37,581 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374814f-888c-4390-b2a2-de88de06698c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i [2023-11-25 00:03:37,633 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374814f-888c-4390-b2a2-de88de06698c/bin/utaipan-verify-SwPr7d2a91/data/8fa7d714f/ea21f5c783af44ddbc50cc2c850f94cc/FLAG6beaaca1f [2023-11-25 00:03:37,648 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374814f-888c-4390-b2a2-de88de06698c/bin/utaipan-verify-SwPr7d2a91/data/8fa7d714f/ea21f5c783af44ddbc50cc2c850f94cc [2023-11-25 00:03:37,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:03:37,652 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:03:37,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:03:37,654 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:03:37,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:03:37,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:03:37" (1/1) ... [2023-11-25 00:03:37,661 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70ce14dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:37, skipping insertion in model container [2023-11-25 00:03:37,662 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:03:37" (1/1) ... [2023-11-25 00:03:37,862 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:03:40,048 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_5374814f-888c-4390-b2a2-de88de06698c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295458,295471] [2023-11-25 00:03:40,053 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_5374814f-888c-4390-b2a2-de88de06698c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295605,295618] [2023-11-25 00:03:40,053 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_5374814f-888c-4390-b2a2-de88de06698c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295744,295757] [2023-11-25 00:03:40,054 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_5374814f-888c-4390-b2a2-de88de06698c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295902,295915] [2023-11-25 00:03:40,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:03:40,137 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:03:40,346 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"); [5761] [2023-11-25 00:03:40,350 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; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5768] [2023-11-25 00:03:40,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5775] [2023-11-25 00:03:40,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/a068ef8/linux-usb-dev/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5805-5806] [2023-11-25 00:03:40,359 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"); [5811-5813] [2023-11-25 00:03:40,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5870] [2023-11-25 00:03:40,363 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5878] [2023-11-25 00:03:40,629 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_5374814f-888c-4390-b2a2-de88de06698c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295458,295471] [2023-11-25 00:03:40,629 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_5374814f-888c-4390-b2a2-de88de06698c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295605,295618] [2023-11-25 00:03:40,630 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_5374814f-888c-4390-b2a2-de88de06698c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295744,295757] [2023-11-25 00:03:40,631 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_5374814f-888c-4390-b2a2-de88de06698c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295902,295915] [2023-11-25 00:03:40,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:03:40,802 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:03:40,810 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:03:40,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:40 WrapperNode [2023-11-25 00:03:40,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:03:40,813 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:03:40,813 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:03:40,813 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:03:40,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:40" (1/1) ... [2023-11-25 00:03:40,929 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:40" (1/1) ... [2023-11-25 00:03:41,096 INFO L138 Inliner]: procedures = 290, calls = 1916, calls flagged for inlining = 144, calls inlined = 136, statements flattened = 4948 [2023-11-25 00:03:41,097 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:03:41,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:03:41,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:03:41,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:03:41,107 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:40" (1/1) ... [2023-11-25 00:03:41,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:40" (1/1) ... [2023-11-25 00:03:41,230 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:40" (1/1) ... [2023-11-25 00:03:41,232 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:40" (1/1) ... [2023-11-25 00:03:41,358 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:40" (1/1) ... [2023-11-25 00:03:41,387 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:40" (1/1) ... [2023-11-25 00:03:41,424 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:40" (1/1) ... [2023-11-25 00:03:41,448 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:40" (1/1) ... [2023-11-25 00:03:41,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:03:41,491 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:03:41,491 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:03:41,491 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:03:41,492 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:40" (1/1) ... [2023-11-25 00:03:41,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:03:41,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374814f-888c-4390-b2a2-de88de06698c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:03:41,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374814f-888c-4390-b2a2-de88de06698c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:03:41,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5374814f-888c-4390-b2a2-de88de06698c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:03:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2023-11-25 00:03:41,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2023-11-25 00:03:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-25 00:03:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-25 00:03:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-25 00:03:41,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-25 00:03:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-25 00:03:41,578 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-25 00:03:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2023-11-25 00:03:41,579 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2023-11-25 00:03:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2023-11-25 00:03:41,580 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2023-11-25 00:03:41,580 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2023-11-25 00:03:41,580 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2023-11-25 00:03:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-25 00:03:41,583 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-25 00:03:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-25 00:03:41,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-25 00:03:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-25 00:03:41,583 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-25 00:03:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2023-11-25 00:03:41,584 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2023-11-25 00:03:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-25 00:03:41,585 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-25 00:03:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2023-11-25 00:03:41,585 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2023-11-25 00:03:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure via_remove_one [2023-11-25 00:03:41,585 INFO L138 BoogieDeclarations]: Found implementation of procedure via_remove_one [2023-11-25 00:03:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2023-11-25 00:03:41,586 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2023-11-25 00:03:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2023-11-25 00:03:41,586 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2023-11-25 00:03:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-25 00:03:41,586 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-25 00:03:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2023-11-25 00:03:41,586 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2023-11-25 00:03:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-25 00:03:41,587 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-25 00:03:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2023-11-25 00:03:41,587 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2023-11-25 00:03:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2023-11-25 00:03:41,587 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2023-11-25 00:03:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-25 00:03:41,588 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-25 00:03:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:03:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-25 00:03:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:03:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-25 00:03:41,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-25 00:03:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2023-11-25 00:03:41,589 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2023-11-25 00:03:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2023-11-25 00:03:41,589 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2023-11-25 00:03:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-25 00:03:41,590 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-25 00:03:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-25 00:03:41,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-25 00:03:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2023-11-25 00:03:41,590 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2023-11-25 00:03:41,591 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-25 00:03:41,591 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-25 00:03:41,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:03:41,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:03:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2023-11-25 00:03:41,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2023-11-25 00:03:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2023-11-25 00:03:41,592 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2023-11-25 00:03:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-25 00:03:41,593 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-25 00:03:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-25 00:03:41,593 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-25 00:03:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-25 00:03:41,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-25 00:03:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-25 00:03:41,594 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-25 00:03:41,594 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-25 00:03:41,594 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-25 00:03:41,594 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2023-11-25 00:03:41,594 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2023-11-25 00:03:41,595 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-25 00:03:41,595 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-25 00:03:41,595 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-25 00:03:41,595 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-25 00:03:41,595 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-25 00:03:41,595 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-25 00:03:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-25 00:03:41,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-25 00:03:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-25 00:03:41,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-25 00:03:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2023-11-25 00:03:41,597 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2023-11-25 00:03:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2023-11-25 00:03:41,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2023-11-25 00:03:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-25 00:03:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2023-11-25 00:03:41,597 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2023-11-25 00:03:41,598 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2023-11-25 00:03:41,598 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2023-11-25 00:03:41,598 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-25 00:03:41,598 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-25 00:03:41,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-25 00:03:41,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-25 00:03:41,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-25 00:03:41,599 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2023-11-25 00:03:41,599 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2023-11-25 00:03:41,599 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-25 00:03:41,599 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-25 00:03:41,600 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2023-11-25 00:03:41,600 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2023-11-25 00:03:41,600 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-25 00:03:41,600 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-25 00:03:41,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:03:41,600 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-25 00:03:41,601 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-25 00:03:41,601 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-25 00:03:41,601 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-25 00:03:41,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-25 00:03:41,601 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-25 00:03:41,601 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2023-11-25 00:03:41,602 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2023-11-25 00:03:41,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-25 00:03:41,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-25 00:03:41,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-25 00:03:41,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-25 00:03:41,603 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2023-11-25 00:03:41,603 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2023-11-25 00:03:41,603 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-25 00:03:41,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-25 00:03:41,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:03:41,603 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-25 00:03:41,604 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-25 00:03:41,604 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2023-11-25 00:03:41,605 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2023-11-25 00:03:41,605 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-25 00:03:41,605 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-25 00:03:41,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-25 00:03:41,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-25 00:03:41,605 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2023-11-25 00:03:41,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2023-11-25 00:03:41,606 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2023-11-25 00:03:41,607 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2023-11-25 00:03:41,607 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2023-11-25 00:03:41,608 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2023-11-25 00:03:41,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:03:41,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-25 00:03:41,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-25 00:03:41,614 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2023-11-25 00:03:41,614 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2023-11-25 00:03:41,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:03:41,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-25 00:03:41,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-25 00:03:41,614 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-25 00:03:41,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-25 00:03:41,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:03:41,615 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:03:41,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:03:41,615 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-25 00:03:41,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-25 00:03:41,615 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2023-11-25 00:03:41,616 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2023-11-25 00:03:41,616 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2023-11-25 00:03:41,616 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2023-11-25 00:03:41,616 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2023-11-25 00:03:41,616 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2023-11-25 00:03:41,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-25 00:03:41,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-25 00:03:41,616 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2023-11-25 00:03:41,617 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2023-11-25 00:03:41,617 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2023-11-25 00:03:41,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2023-11-25 00:03:41,617 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-25 00:03:41,617 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-25 00:03:41,617 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2023-11-25 00:03:41,617 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2023-11-25 00:03:41,617 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2023-11-25 00:03:41,618 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2023-11-25 00:03:41,618 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-25 00:03:41,618 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-25 00:03:41,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-25 00:03:41,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-25 00:03:41,618 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2023-11-25 00:03:41,618 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2023-11-25 00:03:41,618 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-25 00:03:41,619 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-25 00:03:41,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:03:41,619 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-11-25 00:03:41,619 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-11-25 00:03:41,619 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2023-11-25 00:03:41,619 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2023-11-25 00:03:41,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-25 00:03:41,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-25 00:03:41,620 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2023-11-25 00:03:41,620 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2023-11-25 00:03:41,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:03:41,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:03:42,327 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:03:42,332 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:03:42,576 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-25 00:03:46,871 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-25 00:03:47,484 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:03:49,724 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:03:49,724 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-25 00:03:49,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:03:49 BoogieIcfgContainer [2023-11-25 00:03:49,727 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:03:49,729 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:03:49,729 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:03:49,732 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:03:49,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:03:37" (1/3) ... [2023-11-25 00:03:49,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c31e6bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:03:49, skipping insertion in model container [2023-11-25 00:03:49,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:03:40" (2/3) ... [2023-11-25 00:03:49,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c31e6bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:03:49, skipping insertion in model container [2023-11-25 00:03:49,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:03:49" (3/3) ... [2023-11-25 00:03:49,735 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i [2023-11-25 00:03:49,754 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:03:49,755 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-25 00:03:49,842 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:03:49,849 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;@6501730f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:03:49,849 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-25 00:03:49,861 INFO L276 IsEmpty]: Start isEmpty. Operand has 1706 states, 930 states have (on average 1.2526881720430108) internal successors, (1165), 952 states have internal predecessors, (1165), 686 states have call successors, (686), 89 states have call predecessors, (686), 88 states have return successors, (682), 671 states have call predecessors, (682), 682 states have call successors, (682) [2023-11-25 00:03:49,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-25 00:03:49,875 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:03:49,876 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:03:49,876 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:03:49,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:03:49,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1666281584, now seen corresponding path program 1 times [2023-11-25 00:03:49,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:03:49,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706239414] [2023-11-25 00:03:49,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:49,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:03:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:03:50,723 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-25 00:03:50,724 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:03:50,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706239414] [2023-11-25 00:03:50,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706239414] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:03:50,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:03:50,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:03:50,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277442105] [2023-11-25 00:03:50,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:03:50,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:03:50,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:03:50,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:03:50,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:03:50,778 INFO L87 Difference]: Start difference. First operand has 1706 states, 930 states have (on average 1.2526881720430108) internal successors, (1165), 952 states have internal predecessors, (1165), 686 states have call successors, (686), 89 states have call predecessors, (686), 88 states have return successors, (682), 671 states have call predecessors, (682), 682 states have call successors, (682) Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-25 00:03:55,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:03:57,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:03:57,070 INFO L93 Difference]: Finished difference Result 5042 states and 7495 transitions. [2023-11-25 00:03:57,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:03:57,073 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 66 [2023-11-25 00:03:57,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:03:57,144 INFO L225 Difference]: With dead ends: 5042 [2023-11-25 00:03:57,144 INFO L226 Difference]: Without dead ends: 3338 [2023-11-25 00:03:57,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:03:57,172 INFO L413 NwaCegarLoop]: 2318 mSDtfsCounter, 2476 mSDsluCounter, 2267 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2476 SdHoareTripleChecker+Valid, 4585 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-11-25 00:03:57,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2476 Valid, 4585 Invalid, 458 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2023-11-25 00:03:57,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3338 states. [2023-11-25 00:03:57,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3338 to 3336. [2023-11-25 00:03:57,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3336 states, 1817 states have (on average 1.24821133736929) internal successors, (2268), 1859 states have internal predecessors, (2268), 1343 states have call successors, (1343), 175 states have call predecessors, (1343), 174 states have return successors, (1341), 1319 states have call predecessors, (1341), 1341 states have call successors, (1341) [2023-11-25 00:03:57,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3336 states to 3336 states and 4952 transitions. [2023-11-25 00:03:57,670 INFO L78 Accepts]: Start accepts. Automaton has 3336 states and 4952 transitions. Word has length 66 [2023-11-25 00:03:57,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:03:57,671 INFO L495 AbstractCegarLoop]: Abstraction has 3336 states and 4952 transitions. [2023-11-25 00:03:57,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-25 00:03:57,675 INFO L276 IsEmpty]: Start isEmpty. Operand 3336 states and 4952 transitions. [2023-11-25 00:03:57,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-25 00:03:57,691 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:03:57,692 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:03:57,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:03:57,693 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:03:57,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:03:57,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1822339220, now seen corresponding path program 1 times [2023-11-25 00:03:57,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:03:57,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847804259] [2023-11-25 00:03:57,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:03:57,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:03:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:03:58,113 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-25 00:03:58,114 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:03:58,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847804259] [2023-11-25 00:03:58,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847804259] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:03:58,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:03:58,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:03:58,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643917046] [2023-11-25 00:03:58,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:03:58,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:03:58,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:03:58,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:03:58,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:03:58,122 INFO L87 Difference]: Start difference. First operand 3336 states and 4952 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-25 00:04:03,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:04:03,282 INFO L93 Difference]: Finished difference Result 7333 states and 10903 transitions. [2023-11-25 00:04:03,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:04:03,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 89 [2023-11-25 00:04:03,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:04:03,327 INFO L225 Difference]: With dead ends: 7333 [2023-11-25 00:04:03,328 INFO L226 Difference]: Without dead ends: 4008 [2023-11-25 00:04:03,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:04:03,354 INFO L413 NwaCegarLoop]: 2303 mSDtfsCounter, 1719 mSDsluCounter, 2253 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1719 SdHoareTripleChecker+Valid, 4556 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-25 00:04:03,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1719 Valid, 4556 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-11-25 00:04:03,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4008 states. [2023-11-25 00:04:03,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4008 to 4001. [2023-11-25 00:04:03,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4001 states, 2167 states have (on average 1.2445777572681127) internal successors, (2697), 2212 states have internal predecessors, (2697), 1618 states have call successors, (1618), 215 states have call predecessors, (1618), 214 states have return successors, (1616), 1594 states have call predecessors, (1616), 1616 states have call successors, (1616) [2023-11-25 00:04:03,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4001 states to 4001 states and 5931 transitions. [2023-11-25 00:04:03,771 INFO L78 Accepts]: Start accepts. Automaton has 4001 states and 5931 transitions. Word has length 89 [2023-11-25 00:04:03,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:04:03,774 INFO L495 AbstractCegarLoop]: Abstraction has 4001 states and 5931 transitions. [2023-11-25 00:04:03,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-25 00:04:03,775 INFO L276 IsEmpty]: Start isEmpty. Operand 4001 states and 5931 transitions. [2023-11-25 00:04:03,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-25 00:04:03,781 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:04:03,781 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2023-11-25 00:04:03,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-25 00:04:03,781 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:04:03,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:04:03,782 INFO L85 PathProgramCache]: Analyzing trace with hash -129286750, now seen corresponding path program 1 times [2023-11-25 00:04:03,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:04:03,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79997363] [2023-11-25 00:04:03,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:03,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:04:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:04:04,501 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-25 00:04:04,501 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:04:04,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79997363] [2023-11-25 00:04:04,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79997363] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:04:04,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:04:04,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-25 00:04:04,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996808437] [2023-11-25 00:04:04,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:04:04,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:04:04,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:04:04,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:04:04,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-25 00:04:04,506 INFO L87 Difference]: Start difference. First operand 4001 states and 5931 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-25 00:04:08,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:04:10,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:04:10,646 INFO L93 Difference]: Finished difference Result 4001 states and 5931 transitions. [2023-11-25 00:04:10,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-25 00:04:10,647 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 108 [2023-11-25 00:04:10,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:04:10,687 INFO L225 Difference]: With dead ends: 4001 [2023-11-25 00:04:10,687 INFO L226 Difference]: Without dead ends: 3976 [2023-11-25 00:04:10,692 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 [2023-11-25 00:04:10,693 INFO L413 NwaCegarLoop]: 2287 mSDtfsCounter, 2476 mSDsluCounter, 2287 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2476 SdHoareTripleChecker+Valid, 4574 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-11-25 00:04:10,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2476 Valid, 4574 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2023-11-25 00:04:10,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3976 states. [2023-11-25 00:04:11,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3976 to 3976. [2023-11-25 00:04:11,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3976 states, 2155 states have (on average 1.243155452436195) internal successors, (2679), 2196 states have internal predecessors, (2679), 1606 states have call successors, (1606), 214 states have call predecessors, (1606), 214 states have return successors, (1606), 1586 states have call predecessors, (1606), 1606 states have call successors, (1606) [2023-11-25 00:04:11,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3976 states to 3976 states and 5891 transitions. [2023-11-25 00:04:11,273 INFO L78 Accepts]: Start accepts. Automaton has 3976 states and 5891 transitions. Word has length 108 [2023-11-25 00:04:11,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:04:11,275 INFO L495 AbstractCegarLoop]: Abstraction has 3976 states and 5891 transitions. [2023-11-25 00:04:11,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-25 00:04:11,276 INFO L276 IsEmpty]: Start isEmpty. Operand 3976 states and 5891 transitions. [2023-11-25 00:04:11,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-25 00:04:11,292 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:04:11,293 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:04:11,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-25 00:04:11,293 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:04:11,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:04:11,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1376516951, now seen corresponding path program 1 times [2023-11-25 00:04:11,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:04:11,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647316099] [2023-11-25 00:04:11,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:11,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:04:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:04:11,723 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-25 00:04:11,723 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:04:11,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647316099] [2023-11-25 00:04:11,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647316099] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:04:11,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:04:11,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:04:11,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117990569] [2023-11-25 00:04:11,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:04:11,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:04:11,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:04:11,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:04:11,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:04:11,728 INFO L87 Difference]: Start difference. First operand 3976 states and 5891 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-25 00:04:16,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:04:16,929 INFO L93 Difference]: Finished difference Result 7983 states and 11830 transitions. [2023-11-25 00:04:16,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:04:16,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 136 [2023-11-25 00:04:16,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:04:16,987 INFO L225 Difference]: With dead ends: 7983 [2023-11-25 00:04:16,988 INFO L226 Difference]: Without dead ends: 5140 [2023-11-25 00:04:17,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:04:17,020 INFO L413 NwaCegarLoop]: 3821 mSDtfsCounter, 1705 mSDsluCounter, 2219 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1705 SdHoareTripleChecker+Valid, 6040 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-25 00:04:17,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1705 Valid, 6040 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-11-25 00:04:17,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5140 states. [2023-11-25 00:04:17,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5140 to 5139. [2023-11-25 00:04:17,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5139 states, 2783 states have (on average 1.2425440172475746) internal successors, (3458), 2835 states have internal predecessors, (3458), 2076 states have call successors, (2076), 279 states have call predecessors, (2076), 279 states have return successors, (2076), 2051 states have call predecessors, (2076), 2076 states have call successors, (2076) [2023-11-25 00:04:17,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5139 states to 5139 states and 7610 transitions. [2023-11-25 00:04:17,654 INFO L78 Accepts]: Start accepts. Automaton has 5139 states and 7610 transitions. Word has length 136 [2023-11-25 00:04:17,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:04:17,654 INFO L495 AbstractCegarLoop]: Abstraction has 5139 states and 7610 transitions. [2023-11-25 00:04:17,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-25 00:04:17,656 INFO L276 IsEmpty]: Start isEmpty. Operand 5139 states and 7610 transitions. [2023-11-25 00:04:17,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-11-25 00:04:17,680 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:04:17,682 INFO L195 NwaCegarLoop]: trace histogram [11, 9, 9, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-25 00:04:17,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-25 00:04:17,682 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:04:17,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:04:17,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1132579408, now seen corresponding path program 1 times [2023-11-25 00:04:17,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:04:17,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092085401] [2023-11-25 00:04:17,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:17,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:04:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:04:18,352 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2023-11-25 00:04:18,352 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:04:18,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092085401] [2023-11-25 00:04:18,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092085401] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:04:18,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:04:18,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-25 00:04:18,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156689603] [2023-11-25 00:04:18,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:04:18,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:04:18,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:04:18,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:04:18,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-25 00:04:18,356 INFO L87 Difference]: Start difference. First operand 5139 states and 7610 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-25 00:04:22,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:04:22,454 INFO L93 Difference]: Finished difference Result 5139 states and 7610 transitions. [2023-11-25 00:04:22,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-25 00:04:22,455 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 198 [2023-11-25 00:04:22,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:04:22,456 INFO L225 Difference]: With dead ends: 5139 [2023-11-25 00:04:22,456 INFO L226 Difference]: Without dead ends: 0 [2023-11-25 00:04:22,488 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 [2023-11-25 00:04:22,489 INFO L413 NwaCegarLoop]: 2266 mSDtfsCounter, 2420 mSDsluCounter, 2265 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2420 SdHoareTripleChecker+Valid, 4531 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-25 00:04:22,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2420 Valid, 4531 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-11-25 00:04:22,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-25 00:04:22,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-25 00:04:22,490 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) [2023-11-25 00:04:22,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-25 00:04:22,493 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 198 [2023-11-25 00:04:22,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:04:22,493 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-25 00:04:22,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-25 00:04:22,493 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-25 00:04:22,494 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-25 00:04:22,496 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-25 00:04:22,497 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-25 00:04:22,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-25 00:04:22,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.