./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_68da262e-5421-4dfe-85c2-e3fa36c75f94/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68da262e-5421-4dfe-85c2-e3fa36c75f94/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68da262e-5421-4dfe-85c2-e3fa36c75f94/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68da262e-5421-4dfe-85c2-e3fa36c75f94/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68da262e-5421-4dfe-85c2-e3fa36c75f94/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68da262e-5421-4dfe-85c2-e3fa36c75f94/bin/utaipan-verify-t7M7D8N6sZ --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 a82ce6420bb3a33f545de9c61d1c9b088648b3b20e86d3c3faffeeee8d72c08d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:52:32,635 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:52:32,718 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68da262e-5421-4dfe-85c2-e3fa36c75f94/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:52:32,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:52:32,725 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:52:32,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:52:32,754 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:52:32,755 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:52:32,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:52:32,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:52:32,757 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:52:32,758 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:52:32,758 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:52:32,759 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:52:32,760 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:52:32,760 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:52:32,761 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:52:32,761 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:52:32,762 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:52:32,763 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:52:32,763 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:52:32,764 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:52:32,765 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:52:32,766 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:52:32,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:52:32,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:52:32,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:52:32,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:52:32,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:52:32,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:52:32,770 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:52:32,770 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:52:32,771 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:52:32,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:52:32,772 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:52:32,772 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:52:32,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:52:32,773 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:52:32,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:52:32,773 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:52:32,774 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:52:32,774 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:52:32,774 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_68da262e-5421-4dfe-85c2-e3fa36c75f94/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68da262e-5421-4dfe-85c2-e3fa36c75f94/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a82ce6420bb3a33f545de9c61d1c9b088648b3b20e86d3c3faffeeee8d72c08d [2023-11-19 04:52:33,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:52:33,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:52:33,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:52:33,043 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:52:33,044 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:52:33,045 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68da262e-5421-4dfe-85c2-e3fa36c75f94/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2023-11-19 04:52:36,235 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:52:36,959 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:52:36,960 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68da262e-5421-4dfe-85c2-e3fa36c75f94/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2023-11-19 04:52:37,022 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68da262e-5421-4dfe-85c2-e3fa36c75f94/bin/utaipan-verify-t7M7D8N6sZ/data/ffdcb0b34/f67b01e05dd34b1690a56993b0e37120/FLAG3f515015c [2023-11-19 04:52:37,039 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68da262e-5421-4dfe-85c2-e3fa36c75f94/bin/utaipan-verify-t7M7D8N6sZ/data/ffdcb0b34/f67b01e05dd34b1690a56993b0e37120 [2023-11-19 04:52:37,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:52:37,049 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:52:37,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:52:37,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:52:37,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:52:37,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:52:37" (1/1) ... [2023-11-19 04:52:37,061 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea3d399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:37, skipping insertion in model container [2023-11-19 04:52:37,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:52:37" (1/1) ... [2023-11-19 04:52:37,253 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:52:40,389 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_68da262e-5421-4dfe-85c2-e3fa36c75f94/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342349,342362] [2023-11-19 04:52:40,393 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_68da262e-5421-4dfe-85c2-e3fa36c75f94/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342494,342507] [2023-11-19 04:52:40,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:52:40,490 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:52:40,671 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"); [5426] [2023-11-19 04:52:40,673 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)); [5433] [2023-11-19 04:52:40,673 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5440] [2023-11-19 04:52:40,678 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/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5497-5498] [2023-11-19 04:52:40,679 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"); [5503-5505] [2023-11-19 04:52:40,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1,%0\n adcl $0xffff,%0": "=r" (sum): "r" (sum << 16), "0" (sum & 4294901760U)); [5607] [2023-11-19 04:52:40,690 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5671-5672] [2023-11-19 04:52:40,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5705-5706] [2023-11-19 04:52:40,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5742-5743] [2023-11-19 04:52:40,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [5779-5780] [2023-11-19 04:52:40,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [6093-6094] [2023-11-19 04:52:40,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6100] [2023-11-19 04:52:40,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6731] [2023-11-19 04:52:40,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6816] [2023-11-19 04:52:40,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6935] [2023-11-19 04:52:40,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6980] [2023-11-19 04:52:40,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7061] [2023-11-19 04:52:40,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7159] [2023-11-19 04:52:40,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7309] [2023-11-19 04:52:40,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7344] [2023-11-19 04:52:40,808 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7674] [2023-11-19 04:52:40,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8105] [2023-11-19 04:52:40,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8132] [2023-11-19 04:52:40,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8170] [2023-11-19 04:52:40,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8319] [2023-11-19 04:52:40,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8681] [2023-11-19 04:52:40,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8756] [2023-11-19 04:52:40,960 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_68da262e-5421-4dfe-85c2-e3fa36c75f94/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342349,342362] [2023-11-19 04:52:40,961 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_68da262e-5421-4dfe-85c2-e3fa36c75f94/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342494,342507] [2023-11-19 04:52:40,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:52:41,275 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:52:41,283 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:52:41,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:41 WrapperNode [2023-11-19 04:52:41,284 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:52:41,285 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:52:41,285 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:52:41,286 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:52:41,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:41" (1/1) ... [2023-11-19 04:52:41,433 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:41" (1/1) ... [2023-11-19 04:52:41,662 INFO L138 Inliner]: procedures = 455, calls = 2277, calls flagged for inlining = 223, calls inlined = 189, statements flattened = 5627 [2023-11-19 04:52:41,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:52:41,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:52:41,664 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:52:41,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:52:41,733 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:41" (1/1) ... [2023-11-19 04:52:41,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:41" (1/1) ... [2023-11-19 04:52:41,793 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:41" (1/1) ... [2023-11-19 04:52:41,793 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:41" (1/1) ... [2023-11-19 04:52:41,947 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:41" (1/1) ... [2023-11-19 04:52:41,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:41" (1/1) ... [2023-11-19 04:52:42,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:41" (1/1) ... [2023-11-19 04:52:42,037 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:41" (1/1) ... [2023-11-19 04:52:42,075 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:52:42,077 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:52:42,078 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:52:42,079 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:52:42,080 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:41" (1/1) ... [2023-11-19 04:52:42,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:52:42,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68da262e-5421-4dfe-85c2-e3fa36c75f94/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:52:42,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68da262e-5421-4dfe-85c2-e3fa36c75f94/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:52:42,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68da262e-5421-4dfe-85c2-e3fa36c75f94/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:52:42,158 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 04:52:42,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 04:52:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:52:42,159 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:52:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-19 04:52:42,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-19 04:52:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 04:52:42,160 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 04:52:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:52:42,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:52:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 04:52:42,161 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 04:52:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wakeup [2023-11-19 04:52:42,161 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wakeup [2023-11-19 04:52:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wait_status [2023-11-19 04:52:42,162 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wait_status [2023-11-19 04:52:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_set_rx_mode [2023-11-19 04:52:42,162 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_set_rx_mode [2023-11-19 04:52:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 04:52:42,162 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 04:52:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 04:52:42,163 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 04:52:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-19 04:52:42,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-19 04:52:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 04:52:42,164 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 04:52:42,164 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-19 04:52:42,164 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-19 04:52:42,164 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 04:52:42,164 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 04:52:42,164 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 04:52:42,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 04:52:42,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 04:52:42,165 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 04:52:42,166 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 04:52:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-19 04:52:42,167 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-19 04:52:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-19 04:52:42,167 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-19 04:52:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 04:52:42,168 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 04:52:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 04:52:42,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 04:52:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 04:52:42,168 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 04:52:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:52:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_clean_tx [2023-11-19 04:52:42,169 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_clean_tx [2023-11-19 04:52:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_stop_runtime [2023-11-19 04:52:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_stop_runtime [2023-11-19 04:52:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 04:52:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 04:52:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-19 04:52:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-19 04:52:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_resume [2023-11-19 04:52:42,171 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_resume [2023-11-19 04:52:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_rxfree_index [2023-11-19 04:52:42,171 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_rxfree_index [2023-11-19 04:52:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:52:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_remove_one [2023-11-19 04:52:42,172 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_remove_one [2023-11-19 04:52:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 04:52:42,173 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 04:52:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:52:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 04:52:42,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 04:52:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:52:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 04:52:42,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 04:52:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:52:42,174 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:52:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 04:52:42,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 04:52:42,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 04:52:42,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 04:52:42,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 04:52:42,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 04:52:42,175 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-19 04:52:42,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-19 04:52:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 04:52:42,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 04:52:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 04:52:42,177 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 04:52:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_close [2023-11-19 04:52:42,177 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_close [2023-11-19 04:52:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_tx_timeout [2023-11-19 04:52:42,178 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_tx_timeout [2023-11-19 04:52:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_alloc_rx_skb [2023-11-19 04:52:42,178 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_alloc_rx_skb [2023-11-19 04:52:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_issue_command [2023-11-19 04:52:42,179 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_issue_command [2023-11-19 04:52:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:52:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 04:52:42,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 04:52:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 04:52:42,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 04:52:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:52:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_process_response [2023-11-19 04:52:42,180 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_process_response [2023-11-19 04:52:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 04:52:42,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 04:52:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 04:52:42,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 04:52:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:52:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:52:42,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:52:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-19 04:52:42,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-19 04:52:42,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-19 04:52:42,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-19 04:52:42,184 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2023-11-19 04:52:42,184 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2023-11-19 04:52:42,184 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_num_free_tx [2023-11-19 04:52:42,184 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_num_free_tx [2023-11-19 04:52:42,185 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-19 04:52:42,185 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-19 04:52:42,185 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_reset [2023-11-19 04:52:42,185 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_reset [2023-11-19 04:52:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 04:52:42,187 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 04:52:42,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 04:52:42,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 04:52:42,191 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_cmd_index [2023-11-19 04:52:42,191 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_cmd_index [2023-11-19 04:52:42,192 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 04:52:42,192 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 04:52:42,193 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_fill_free_ring [2023-11-19 04:52:42,193 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_fill_free_ring [2023-11-19 04:52:42,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:52:42,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:52:42,200 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-19 04:52:42,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-19 04:52:42,201 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 04:52:42,201 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 04:52:42,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:52:42,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:52:42,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:52:42,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:52:42,202 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 04:52:42,203 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 04:52:42,203 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 04:52:42,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 04:52:42,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:52:42,203 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:52:42,203 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 04:52:42,203 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 04:52:42,204 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-19 04:52:42,204 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-19 04:52:42,204 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wait_interrupt [2023-11-19 04:52:42,204 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wait_interrupt [2023-11-19 04:52:42,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:52:42,204 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 04:52:42,205 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 04:52:42,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:52:42,205 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2023-11-19 04:52:42,205 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2023-11-19 04:52:42,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:52:42,206 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:52:42,206 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:52:42,206 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-19 04:52:42,206 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-19 04:52:42,206 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_boot_3XP [2023-11-19 04:52:42,206 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_boot_3XP [2023-11-19 04:52:42,207 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-19 04:52:42,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-19 04:52:42,207 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 04:52:42,207 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 04:52:42,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 04:52:42,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 04:52:42,208 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-11-19 04:52:42,208 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-11-19 04:52:42,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-19 04:52:42,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-19 04:52:42,208 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-11-19 04:52:42,208 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-11-19 04:52:42,209 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 04:52:42,209 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 04:52:42,209 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 04:52:42,209 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 04:52:42,209 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_free_rx_rings [2023-11-19 04:52:42,209 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_free_rx_rings [2023-11-19 04:52:42,209 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 04:52:42,210 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 04:52:42,210 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_do_get_stats [2023-11-19 04:52:42,210 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_do_get_stats [2023-11-19 04:52:42,210 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_num_free [2023-11-19 04:52:42,210 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_num_free [2023-11-19 04:52:42,210 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_sleep [2023-11-19 04:52:42,211 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_sleep [2023-11-19 04:52:42,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:52:42,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:52:42,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:52:42,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2023-11-19 04:52:42,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2023-11-19 04:52:42,211 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_init_rings [2023-11-19 04:52:42,212 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_init_rings [2023-11-19 04:52:42,212 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-19 04:52:42,212 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-19 04:52:42,212 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_open [2023-11-19 04:52:42,212 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_open [2023-11-19 04:52:42,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 04:52:42,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 04:52:42,213 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_start_runtime [2023-11-19 04:52:42,213 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_start_runtime [2023-11-19 04:52:42,213 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-19 04:52:42,213 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-19 04:52:42,213 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 04:52:42,213 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 04:52:42,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:52:42,214 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_index [2023-11-19 04:52:42,214 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_index [2023-11-19 04:52:42,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 04:52:42,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 04:52:43,107 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:52:43,116 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:52:43,258 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:52:51,564 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 04:52:51,740 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:52:54,545 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:52:54,545 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:52:54,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:52:54 BoogieIcfgContainer [2023-11-19 04:52:54,565 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:52:54,569 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:52:54,569 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:52:54,573 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:52:54,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:52:37" (1/3) ... [2023-11-19 04:52:54,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec51324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:52:54, skipping insertion in model container [2023-11-19 04:52:54,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:41" (2/3) ... [2023-11-19 04:52:54,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec51324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:52:54, skipping insertion in model container [2023-11-19 04:52:54,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:52:54" (3/3) ... [2023-11-19 04:52:54,578 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2023-11-19 04:52:54,601 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:52:54,601 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:52:54,769 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:52:54,776 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;@3e93f6dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:52:54,777 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:52:54,790 INFO L276 IsEmpty]: Start isEmpty. Operand has 1439 states, 824 states have (on average 1.2888349514563107) internal successors, (1062), 846 states have internal predecessors, (1062), 517 states have call successors, (517), 98 states have call predecessors, (517), 97 states have return successors, (512), 506 states have call predecessors, (512), 512 states have call successors, (512) [2023-11-19 04:52:54,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-19 04:52:54,843 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:52:54,845 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:52:54,845 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:52:54,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:52:54,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1902502435, now seen corresponding path program 1 times [2023-11-19 04:52:54,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:52:54,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613036925] [2023-11-19 04:52:54,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:54,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:52:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:52:56,126 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-19 04:52:56,126 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:52:56,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613036925] [2023-11-19 04:52:56,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613036925] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:52:56,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:52:56,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:52:56,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844463238] [2023-11-19 04:52:56,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:52:56,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:52:56,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:52:56,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:52:56,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:52:56,175 INFO L87 Difference]: Start difference. First operand has 1439 states, 824 states have (on average 1.2888349514563107) internal successors, (1062), 846 states have internal predecessors, (1062), 517 states have call successors, (517), 98 states have call predecessors, (517), 97 states have return successors, (512), 506 states have call predecessors, (512), 512 states have call successors, (512) Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-19 04:52:59,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:01,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:03,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:06,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:08,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:08,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:53:08,428 INFO L93 Difference]: Finished difference Result 3718 states and 5416 transitions. [2023-11-19 04:53:08,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:53:08,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 167 [2023-11-19 04:53:08,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:53:08,482 INFO L225 Difference]: With dead ends: 3718 [2023-11-19 04:53:08,483 INFO L226 Difference]: Without dead ends: 2239 [2023-11-19 04:53:08,513 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 [2023-11-19 04:53:08,517 INFO L413 NwaCegarLoop]: 1866 mSDtfsCounter, 1220 mSDsluCounter, 1793 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 17 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1220 SdHoareTripleChecker+Valid, 3659 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2023-11-19 04:53:08,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1220 Valid, 3659 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 566 Invalid, 4 Unknown, 0 Unchecked, 11.9s Time] [2023-11-19 04:53:08,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2239 states. [2023-11-19 04:53:08,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2239 to 2236. [2023-11-19 04:53:08,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2236 states, 1310 states have (on average 1.283969465648855) internal successors, (1682), 1343 states have internal predecessors, (1682), 763 states have call successors, (763), 162 states have call predecessors, (763), 162 states have return successors, (763), 754 states have call predecessors, (763), 763 states have call successors, (763) [2023-11-19 04:53:08,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 3208 transitions. [2023-11-19 04:53:08,833 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 3208 transitions. Word has length 167 [2023-11-19 04:53:08,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:53:08,835 INFO L495 AbstractCegarLoop]: Abstraction has 2236 states and 3208 transitions. [2023-11-19 04:53:08,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-19 04:53:08,836 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 3208 transitions. [2023-11-19 04:53:08,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-11-19 04:53:08,857 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:53:08,858 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:53:08,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:53:08,859 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:53:08,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:53:08,860 INFO L85 PathProgramCache]: Analyzing trace with hash 678896387, now seen corresponding path program 1 times [2023-11-19 04:53:08,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:53:08,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743327849] [2023-11-19 04:53:08,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:08,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:53:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:53:09,354 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-11-19 04:53:09,355 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:53:09,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743327849] [2023-11-19 04:53:09,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743327849] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:53:09,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:53:09,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:53:09,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139617691] [2023-11-19 04:53:09,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:53:09,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:53:09,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:53:09,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:53:09,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:53:09,361 INFO L87 Difference]: Start difference. First operand 2236 states and 3208 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-19 04:53:12,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:14,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:17,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:19,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:22,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:24,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:24,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:53:24,437 INFO L93 Difference]: Finished difference Result 5767 states and 8251 transitions. [2023-11-19 04:53:24,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:53:24,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 184 [2023-11-19 04:53:24,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:53:24,473 INFO L225 Difference]: With dead ends: 5767 [2023-11-19 04:53:24,474 INFO L226 Difference]: Without dead ends: 3548 [2023-11-19 04:53:24,488 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 [2023-11-19 04:53:24,490 INFO L413 NwaCegarLoop]: 1786 mSDtfsCounter, 1741 mSDsluCounter, 1720 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 7 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1741 SdHoareTripleChecker+Valid, 3506 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2023-11-19 04:53:24,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1741 Valid, 3506 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 538 Invalid, 6 Unknown, 0 Unchecked, 14.8s Time] [2023-11-19 04:53:24,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3548 states. [2023-11-19 04:53:24,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3548 to 3544. [2023-11-19 04:53:24,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3544 states, 2072 states have (on average 1.2722007722007722) internal successors, (2636), 2127 states have internal predecessors, (2636), 1209 states have call successors, (1209), 263 states have call predecessors, (1209), 262 states have return successors, (1210), 1190 states have call predecessors, (1210), 1209 states have call successors, (1210) [2023-11-19 04:53:24,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 3544 states and 5055 transitions. [2023-11-19 04:53:24,759 INFO L78 Accepts]: Start accepts. Automaton has 3544 states and 5055 transitions. Word has length 184 [2023-11-19 04:53:24,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:53:24,760 INFO L495 AbstractCegarLoop]: Abstraction has 3544 states and 5055 transitions. [2023-11-19 04:53:24,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-19 04:53:24,761 INFO L276 IsEmpty]: Start isEmpty. Operand 3544 states and 5055 transitions. [2023-11-19 04:53:24,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-11-19 04:53:24,767 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:53:24,768 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:53:24,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:53:24,768 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:53:24,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:53:24,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1578390644, now seen corresponding path program 1 times [2023-11-19 04:53:24,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:53:24,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102636671] [2023-11-19 04:53:24,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:24,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:53:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:53:25,479 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2023-11-19 04:53:25,479 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:53:25,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102636671] [2023-11-19 04:53:25,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102636671] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:53:25,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:53:25,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:53:25,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763667011] [2023-11-19 04:53:25,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:53:25,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:53:25,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:53:25,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:53:25,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:53:25,483 INFO L87 Difference]: Start difference. First operand 3544 states and 5055 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30)