./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 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_452955c8-046d-4a85-9cea-7ca84f3506c5/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452955c8-046d-4a85-9cea-7ca84f3506c5/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_452955c8-046d-4a85-9cea-7ca84f3506c5/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452955c8-046d-4a85-9cea-7ca84f3506c5/bin/utaipan-verify-mE87zJ7Ire/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_452955c8-046d-4a85-9cea-7ca84f3506c5/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_452955c8-046d-4a85-9cea-7ca84f3506c5/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 bc34b562a518e1962cb00b051353e0f6c91b97d77e3b06d95f31a41553709599 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:31:44,411 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:31:44,532 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452955c8-046d-4a85-9cea-7ca84f3506c5/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:31:44,541 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:31:44,542 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:31:44,584 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:31:44,585 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:31:44,585 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:31:44,587 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:31:44,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:31:44,592 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:31:44,593 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:31:44,594 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:31:44,596 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:31:44,596 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:31:44,597 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:31:44,597 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:31:44,598 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:31:44,598 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:31:44,599 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:31:44,601 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:31:44,602 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:31:44,603 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:31:44,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:31:44,604 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:31:44,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:31:44,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:31:44,606 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:31:44,606 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:31:44,607 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:31:44,608 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:31:44,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:31:44,609 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:31:44,609 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:31:44,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:44,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:31:44,610 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:31:44,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:31:44,611 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:31:44,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:31:44,611 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:31:44,612 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:31:44,612 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:31:44,612 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:31:44,613 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_452955c8-046d-4a85-9cea-7ca84f3506c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452955c8-046d-4a85-9cea-7ca84f3506c5/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc34b562a518e1962cb00b051353e0f6c91b97d77e3b06d95f31a41553709599 [2023-11-23 21:31:44,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:31:44,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:31:44,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:31:44,978 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:31:44,979 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:31:44,981 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452955c8-046d-4a85-9cea-7ca84f3506c5/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i [2023-11-23 21:31:48,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:31:48,711 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:31:48,712 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452955c8-046d-4a85-9cea-7ca84f3506c5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i [2023-11-23 21:31:48,776 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452955c8-046d-4a85-9cea-7ca84f3506c5/bin/utaipan-verify-mE87zJ7Ire/data/624518df9/47df9700650840a2baee0d8b61f919c9/FLAGcbd18b619 [2023-11-23 21:31:48,795 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452955c8-046d-4a85-9cea-7ca84f3506c5/bin/utaipan-verify-mE87zJ7Ire/data/624518df9/47df9700650840a2baee0d8b61f919c9 [2023-11-23 21:31:48,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:31:48,803 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:31:48,808 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:48,808 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:31:48,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:31:48,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:48" (1/1) ... [2023-11-23 21:31:48,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d1ed88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:48, skipping insertion in model container [2023-11-23 21:31:48,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:48" (1/1) ... [2023-11-23 21:31:48,992 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:31:51,584 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_452955c8-046d-4a85-9cea-7ca84f3506c5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295458,295471] [2023-11-23 21:31:51,590 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_452955c8-046d-4a85-9cea-7ca84f3506c5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295605,295618] [2023-11-23 21:31:51,591 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_452955c8-046d-4a85-9cea-7ca84f3506c5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295744,295757] [2023-11-23 21:31:51,592 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_452955c8-046d-4a85-9cea-7ca84f3506c5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295902,295915] [2023-11-23 21:31:51,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:51,672 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:31:51,800 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] [2023-11-23 21:31:51,803 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] [2023-11-23 21:31:51,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5775] [2023-11-23 21:31:51,812 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] [2023-11-23 21:31:51,813 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] [2023-11-23 21:31:51,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5870] [2023-11-23 21:31:51,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5878] [2023-11-23 21:31:52,136 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_452955c8-046d-4a85-9cea-7ca84f3506c5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295458,295471] [2023-11-23 21:31:52,136 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_452955c8-046d-4a85-9cea-7ca84f3506c5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295605,295618] [2023-11-23 21:31:52,137 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_452955c8-046d-4a85-9cea-7ca84f3506c5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295744,295757] [2023-11-23 21:31:52,137 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_452955c8-046d-4a85-9cea-7ca84f3506c5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295902,295915] [2023-11-23 21:31:52,145 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:52,250 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:31:52,258 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:31:52,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:52 WrapperNode [2023-11-23 21:31:52,259 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:52,260 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:52,260 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:31:52,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:31:52,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:52" (1/1) ... [2023-11-23 21:31:52,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:52" (1/1) ... [2023-11-23 21:31:52,647 INFO L138 Inliner]: procedures = 290, calls = 1916, calls flagged for inlining = 144, calls inlined = 136, statements flattened = 4856 [2023-11-23 21:31:52,647 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:52,648 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:31:52,648 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:31:52,648 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:31:52,659 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:52" (1/1) ... [2023-11-23 21:31:52,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:52" (1/1) ... [2023-11-23 21:31:52,711 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:52" (1/1) ... [2023-11-23 21:31:52,711 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:52" (1/1) ... [2023-11-23 21:31:52,859 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:52" (1/1) ... [2023-11-23 21:31:52,883 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:52" (1/1) ... [2023-11-23 21:31:52,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:52" (1/1) ... [2023-11-23 21:31:52,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:52" (1/1) ... [2023-11-23 21:31:53,001 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:31:53,002 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:31:53,002 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:31:53,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:31:53,003 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:52" (1/1) ... [2023-11-23 21:31:53,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:53,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452955c8-046d-4a85-9cea-7ca84f3506c5/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:31:53,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452955c8-046d-4a85-9cea-7ca84f3506c5/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:31:53,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_452955c8-046d-4a85-9cea-7ca84f3506c5/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:31:53,076 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2023-11-23 21:31:53,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2023-11-23 21:31:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:31:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:31:53,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:31:53,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:31:53,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:31:53,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:31:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2023-11-23 21:31:53,079 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2023-11-23 21:31:53,079 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2023-11-23 21:31:53,080 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2023-11-23 21:31:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2023-11-23 21:31:53,080 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2023-11-23 21:31:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 21:31:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 21:31:53,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:31:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:31:53,083 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-23 21:31:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-23 21:31:53,084 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2023-11-23 21:31:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2023-11-23 21:31:53,085 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 21:31:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 21:31:53,085 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2023-11-23 21:31:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2023-11-23 21:31:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure via_remove_one [2023-11-23 21:31:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure via_remove_one [2023-11-23 21:31:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2023-11-23 21:31:53,086 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2023-11-23 21:31:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2023-11-23 21:31:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2023-11-23 21:31:53,087 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:31:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:31:53,087 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2023-11-23 21:31:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2023-11-23 21:31:53,087 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:31:53,087 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:31:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2023-11-23 21:31:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2023-11-23 21:31:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2023-11-23 21:31:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2023-11-23 21:31:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-23 21:31:53,088 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-23 21:31:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:31:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:31:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:31:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:31:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:31:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2023-11-23 21:31:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2023-11-23 21:31:53,091 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2023-11-23 21:31:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2023-11-23 21:31:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-23 21:31:53,092 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-23 21:31:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:31:53,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:31:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2023-11-23 21:31:53,092 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2023-11-23 21:31:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:31:53,093 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:31:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:31:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:31:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2023-11-23 21:31:53,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2023-11-23 21:31:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2023-11-23 21:31:53,094 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2023-11-23 21:31:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:31:53,094 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:31:53,095 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-23 21:31:53,095 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-23 21:31:53,095 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 21:31:53,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 21:31:53,096 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-23 21:31:53,096 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-23 21:31:53,096 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-23 21:31:53,096 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-23 21:31:53,096 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2023-11-23 21:31:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2023-11-23 21:31:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 21:31:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 21:31:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-23 21:31:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-23 21:31:53,097 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:31:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:31:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:31:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:31:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-23 21:31:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-23 21:31:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2023-11-23 21:31:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2023-11-23 21:31:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2023-11-23 21:31:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2023-11-23 21:31:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:31:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2023-11-23 21:31:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2023-11-23 21:31:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2023-11-23 21:31:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2023-11-23 21:31:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:31:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:31:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:31:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:31:53,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:31:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2023-11-23 21:31:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2023-11-23 21:31:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-23 21:31:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-23 21:31:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2023-11-23 21:31:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2023-11-23 21:31:53,103 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-23 21:31:53,103 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-23 21:31:53,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:31:53,103 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-23 21:31:53,103 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-23 21:31:53,103 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:31:53,103 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:31:53,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:31:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:31:53,104 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2023-11-23 21:31:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2023-11-23 21:31:53,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:31:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:31:53,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:31:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:31:53,105 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2023-11-23 21:31:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2023-11-23 21:31:53,105 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-23 21:31:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-23 21:31:53,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:31:53,106 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-23 21:31:53,107 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-23 21:31:53,107 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2023-11-23 21:31:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2023-11-23 21:31:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-23 21:31:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-23 21:31:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:31:53,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:31:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2023-11-23 21:31:53,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2023-11-23 21:31:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2023-11-23 21:31:53,114 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2023-11-23 21:31:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2023-11-23 21:31:53,115 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2023-11-23 21:31:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:31:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 21:31:53,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 21:31:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2023-11-23 21:31:53,120 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2023-11-23 21:31:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:31:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:31:53,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:31:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:31:53,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:31:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:31:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:31:53,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:31:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:31:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:31:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2023-11-23 21:31:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2023-11-23 21:31:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2023-11-23 21:31:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2023-11-23 21:31:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2023-11-23 21:31:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2023-11-23 21:31:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:31:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:31:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2023-11-23 21:31:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2023-11-23 21:31:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2023-11-23 21:31:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2023-11-23 21:31:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:31:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:31:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2023-11-23 21:31:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2023-11-23 21:31:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2023-11-23 21:31:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2023-11-23 21:31:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-23 21:31:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-23 21:31:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 21:31:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 21:31:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2023-11-23 21:31:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2023-11-23 21:31:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-23 21:31:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-23 21:31:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:31:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-11-23 21:31:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-11-23 21:31:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2023-11-23 21:31:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2023-11-23 21:31:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:31:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:31:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2023-11-23 21:31:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2023-11-23 21:31:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:31:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:31:53,878 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:31:53,888 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:31:54,240 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:31:59,732 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:32:01,011 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:32:03,197 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:32:03,198 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:32:03,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:03 BoogieIcfgContainer [2023-11-23 21:32:03,200 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:32:03,203 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:32:03,203 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:32:03,207 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:32:03,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:31:48" (1/3) ... [2023-11-23 21:32:03,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f80e3be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:03, skipping insertion in model container [2023-11-23 21:32:03,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:52" (2/3) ... [2023-11-23 21:32:03,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f80e3be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:03, skipping insertion in model container [2023-11-23 21:32:03,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:03" (3/3) ... [2023-11-23 21:32:03,210 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i [2023-11-23 21:32:03,231 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:32:03,232 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 21:32:03,344 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:32:03,353 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;@29348da3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:32:03,353 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 21:32:03,365 INFO L276 IsEmpty]: Start isEmpty. Operand has 1704 states, 928 states have (on average 1.2532327586206897) internal successors, (1163), 952 states have internal predecessors, (1163), 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) [2023-11-23 21:32:03,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-23 21:32:03,379 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:03,380 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] [2023-11-23 21:32:03,381 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:03,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:03,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1355094712, now seen corresponding path program 1 times [2023-11-23 21:32:03,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:03,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143329032] [2023-11-23 21:32:03,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:03,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:04,267 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-23 21:32:04,268 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:32:04,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143329032] [2023-11-23 21:32:04,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143329032] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:04,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:04,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:32:04,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794224163] [2023-11-23 21:32:04,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:04,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:32:04,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:32:04,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:32:04,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:32:04,329 INFO L87 Difference]: Start difference. First operand has 1704 states, 928 states have (on average 1.2532327586206897) internal successors, (1163), 952 states have internal predecessors, (1163), 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) [2023-11-23 21:32:08,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:09,875 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 21:32:10,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:10,136 INFO L93 Difference]: Finished difference Result 5036 states and 7489 transitions. [2023-11-23 21:32:10,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:32:10,139 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 [2023-11-23 21:32:10,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:10,198 INFO L225 Difference]: With dead ends: 5036 [2023-11-23 21:32:10,199 INFO L226 Difference]: Without dead ends: 3334 [2023-11-23 21:32:10,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:32:10,223 INFO L413 NwaCegarLoop]: 2316 mSDtfsCounter, 2474 mSDsluCounter, 2265 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2474 SdHoareTripleChecker+Valid, 4581 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:10,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2474 Valid, 4581 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-11-23 21:32:10,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3334 states. [2023-11-23 21:32:10,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3334 to 3332. [2023-11-23 21:32:10,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3332 states, 1813 states have (on average 1.2487589630446774) internal successors, (2264), 1859 states have internal predecessors, (2264), 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) [2023-11-23 21:32:10,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3332 states to 3332 states and 4948 transitions. [2023-11-23 21:32:10,773 INFO L78 Accepts]: Start accepts. Automaton has 3332 states and 4948 transitions. Word has length 66 [2023-11-23 21:32:10,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:10,780 INFO L495 AbstractCegarLoop]: Abstraction has 3332 states and 4948 transitions. [2023-11-23 21:32:10,780 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) [2023-11-23 21:32:10,781 INFO L276 IsEmpty]: Start isEmpty. Operand 3332 states and 4948 transitions. [2023-11-23 21:32:10,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-23 21:32:10,800 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:10,801 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] [2023-11-23 21:32:10,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:32:10,801 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:10,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:10,803 INFO L85 PathProgramCache]: Analyzing trace with hash 186163094, now seen corresponding path program 1 times [2023-11-23 21:32:10,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:10,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780247130] [2023-11-23 21:32:10,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:10,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:11,455 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-23 21:32:11,455 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:32:11,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780247130] [2023-11-23 21:32:11,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780247130] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:11,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:11,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:32:11,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324676277] [2023-11-23 21:32:11,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:11,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:32:11,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:32:11,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:32:11,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:32:11,463 INFO L87 Difference]: Start difference. First operand 3332 states and 4948 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) [2023-11-23 21:32:15,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:15,949 INFO L93 Difference]: Finished difference Result 7325 states and 10895 transitions. [2023-11-23 21:32:15,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:32:15,950 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 [2023-11-23 21:32:15,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:16,003 INFO L225 Difference]: With dead ends: 7325 [2023-11-23 21:32:16,003 INFO L226 Difference]: Without dead ends: 4004 [2023-11-23 21:32:16,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:32:16,034 INFO L413 NwaCegarLoop]: 2301 mSDtfsCounter, 1718 mSDsluCounter, 2251 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1718 SdHoareTripleChecker+Valid, 4552 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:16,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1718 Valid, 4552 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-23 21:32:16,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4004 states. [2023-11-23 21:32:16,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4004 to 3997. [2023-11-23 21:32:16,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3997 states, 2163 states have (on average 1.2450300508552936) internal successors, (2693), 2212 states have internal predecessors, (2693), 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) [2023-11-23 21:32:16,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3997 states to 3997 states and 5927 transitions. [2023-11-23 21:32:16,478 INFO L78 Accepts]: Start accepts. Automaton has 3997 states and 5927 transitions. Word has length 89 [2023-11-23 21:32:16,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:16,481 INFO L495 AbstractCegarLoop]: Abstraction has 3997 states and 5927 transitions. [2023-11-23 21:32:16,481 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) [2023-11-23 21:32:16,481 INFO L276 IsEmpty]: Start isEmpty. Operand 3997 states and 5927 transitions. [2023-11-23 21:32:16,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-23 21:32:16,488 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:16,489 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] [2023-11-23 21:32:16,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:32:16,489 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:16,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:16,500 INFO L85 PathProgramCache]: Analyzing trace with hash -582230924, now seen corresponding path program 1 times [2023-11-23 21:32:16,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:16,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512378823] [2023-11-23 21:32:16,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:16,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:17,218 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-23 21:32:17,219 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:32:17,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512378823] [2023-11-23 21:32:17,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512378823] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:17,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:17,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:32:17,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462086537] [2023-11-23 21:32:17,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:17,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:32:17,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:32:17,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:32:17,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:32:17,224 INFO L87 Difference]: Start difference. First operand 3997 states and 5927 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) [2023-11-23 21:32:21,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:21,111 INFO L93 Difference]: Finished difference Result 3997 states and 5927 transitions. [2023-11-23 21:32:21,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:32:21,112 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 [2023-11-23 21:32:21,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:21,161 INFO L225 Difference]: With dead ends: 3997 [2023-11-23 21:32:21,161 INFO L226 Difference]: Without dead ends: 3972 [2023-11-23 21:32:21,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:32:21,168 INFO L413 NwaCegarLoop]: 2285 mSDtfsCounter, 2474 mSDsluCounter, 2285 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2474 SdHoareTripleChecker+Valid, 4570 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:21,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2474 Valid, 4570 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-23 21:32:21,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3972 states. [2023-11-23 21:32:21,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3972 to 3972. [2023-11-23 21:32:21,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3972 states, 2151 states have (on average 1.2436076243607623) internal successors, (2675), 2196 states have internal predecessors, (2675), 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) [2023-11-23 21:32:21,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3972 states to 3972 states and 5887 transitions. [2023-11-23 21:32:21,711 INFO L78 Accepts]: Start accepts. Automaton has 3972 states and 5887 transitions. Word has length 108 [2023-11-23 21:32:21,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:21,713 INFO L495 AbstractCegarLoop]: Abstraction has 3972 states and 5887 transitions. [2023-11-23 21:32:21,714 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) [2023-11-23 21:32:21,714 INFO L276 IsEmpty]: Start isEmpty. Operand 3972 states and 5887 transitions. [2023-11-23 21:32:21,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-23 21:32:21,731 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:21,731 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] [2023-11-23 21:32:21,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:32:21,731 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:21,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:21,733 INFO L85 PathProgramCache]: Analyzing trace with hash -791878079, now seen corresponding path program 1 times [2023-11-23 21:32:21,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:21,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975394724] [2023-11-23 21:32:21,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:21,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:22,194 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-23 21:32:22,194 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:32:22,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975394724] [2023-11-23 21:32:22,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975394724] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:22,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:22,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:32:22,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754181585] [2023-11-23 21:32:22,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:22,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:32:22,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:32:22,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:32:22,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:32:22,199 INFO L87 Difference]: Start difference. First operand 3972 states and 5887 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) [2023-11-23 21:32:26,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:26,232 INFO L93 Difference]: Finished difference Result 7975 states and 11822 transitions. [2023-11-23 21:32:26,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:32:26,233 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 [2023-11-23 21:32:26,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:26,287 INFO L225 Difference]: With dead ends: 7975 [2023-11-23 21:32:26,287 INFO L226 Difference]: Without dead ends: 5135 [2023-11-23 21:32:26,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:32:26,313 INFO L413 NwaCegarLoop]: 3818 mSDtfsCounter, 1704 mSDsluCounter, 2217 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1704 SdHoareTripleChecker+Valid, 6035 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:26,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1704 Valid, 6035 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-23 21:32:26,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5135 states. [2023-11-23 21:32:26,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5135 to 5134. [2023-11-23 21:32:26,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5134 states, 2778 states have (on average 1.2429805615550755) internal successors, (3453), 2835 states have internal predecessors, (3453), 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) [2023-11-23 21:32:26,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5134 states to 5134 states and 7605 transitions. [2023-11-23 21:32:26,951 INFO L78 Accepts]: Start accepts. Automaton has 5134 states and 7605 transitions. Word has length 136 [2023-11-23 21:32:26,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:26,952 INFO L495 AbstractCegarLoop]: Abstraction has 5134 states and 7605 transitions. [2023-11-23 21:32:26,953 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) [2023-11-23 21:32:26,954 INFO L276 IsEmpty]: Start isEmpty. Operand 5134 states and 7605 transitions. [2023-11-23 21:32:26,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-11-23 21:32:26,984 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:26,985 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] [2023-11-23 21:32:26,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:32:26,986 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:26,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:26,987 INFO L85 PathProgramCache]: Analyzing trace with hash 2012218760, now seen corresponding path program 1 times [2023-11-23 21:32:26,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:32:26,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782717398] [2023-11-23 21:32:26,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:26,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:32:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:27,733 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2023-11-23 21:32:27,733 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:32:27,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782717398] [2023-11-23 21:32:27,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782717398] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:27,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:27,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:32:27,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110956537] [2023-11-23 21:32:27,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:27,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:32:27,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:32:27,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:32:27,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:32:27,742 INFO L87 Difference]: Start difference. First operand 5134 states and 7605 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) [2023-11-23 21:32:31,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:31,459 INFO L93 Difference]: Finished difference Result 5134 states and 7605 transitions. [2023-11-23 21:32:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:32:31,460 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 [2023-11-23 21:32:31,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:31,462 INFO L225 Difference]: With dead ends: 5134 [2023-11-23 21:32:31,462 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:32:31,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:32:31,505 INFO L413 NwaCegarLoop]: 2264 mSDtfsCounter, 2418 mSDsluCounter, 2263 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2418 SdHoareTripleChecker+Valid, 4527 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:31,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2418 Valid, 4527 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-23 21:32:31,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:32:31,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:32:31,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:32:31,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:32:31,509 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 198 [2023-11-23 21:32:31,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:31,510 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:32:31,510 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) [2023-11-23 21:32:31,511 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:32:31,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:32:31,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-23 21:32:31,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-23 21:32:31,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 21:32:31,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.