./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63f9edc-8227-4a00-ad54-acb6a38b540f/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63f9edc-8227-4a00-ad54-acb6a38b540f/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63f9edc-8227-4a00-ad54-acb6a38b540f/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63f9edc-8227-4a00-ad54-acb6a38b540f/bin/utaipan-verify-NcY6lQBIFX/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_c63f9edc-8227-4a00-ad54-acb6a38b540f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63f9edc-8227-4a00-ad54-acb6a38b540f/bin/utaipan-verify-NcY6lQBIFX --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-cf1a783 [2023-11-12 00:45:57,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:45:57,550 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63f9edc-8227-4a00-ad54-acb6a38b540f/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:45:57,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:45:57,560 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:45:57,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:45:57,604 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:45:57,605 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:45:57,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:45:57,612 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:45:57,613 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:45:57,613 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:45:57,614 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:45:57,616 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:45:57,616 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:45:57,617 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:45:57,617 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:45:57,618 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:45:57,620 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:45:57,620 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:45:57,621 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:45:57,622 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:45:57,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:45:57,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:45:57,624 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:45:57,625 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:45:57,625 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:45:57,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:45:57,626 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:45:57,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:45:57,628 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:45:57,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:45:57,629 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:45:57,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:45:57,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:45:57,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:45:57,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:45:57,630 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:45:57,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:45:57,631 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:45:57,631 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:45:57,632 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:45:57,632 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_c63f9edc-8227-4a00-ad54-acb6a38b540f/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63f9edc-8227-4a00-ad54-acb6a38b540f/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a82ce6420bb3a33f545de9c61d1c9b088648b3b20e86d3c3faffeeee8d72c08d [2023-11-12 00:45:57,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:45:57,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:45:57,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:45:57,972 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:45:57,972 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:45:57,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63f9edc-8227-4a00-ad54-acb6a38b540f/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2023-11-12 00:46:01,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:46:01,749 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:46:01,754 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63f9edc-8227-4a00-ad54-acb6a38b540f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2023-11-12 00:46:01,834 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63f9edc-8227-4a00-ad54-acb6a38b540f/bin/utaipan-verify-NcY6lQBIFX/data/2cdf2cd2c/a98df9c6e0794e28ac2c872b1030e722/FLAGb7f04b955 [2023-11-12 00:46:01,856 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63f9edc-8227-4a00-ad54-acb6a38b540f/bin/utaipan-verify-NcY6lQBIFX/data/2cdf2cd2c/a98df9c6e0794e28ac2c872b1030e722 [2023-11-12 00:46:01,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:46:01,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:46:01,868 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:46:01,869 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:46:01,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:46:01,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:46:01" (1/1) ... [2023-11-12 00:46:01,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31b1fb25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:01, skipping insertion in model container [2023-11-12 00:46:01,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:46:01" (1/1) ... [2023-11-12 00:46:02,154 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:46:05,306 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_c63f9edc-8227-4a00-ad54-acb6a38b540f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342349,342362] [2023-11-12 00:46:05,312 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_c63f9edc-8227-4a00-ad54-acb6a38b540f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342494,342507] [2023-11-12 00:46:05,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:46:05,429 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:46:05,597 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] [2023-11-12 00:46:05,599 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] [2023-11-12 00:46:05,600 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5440] [2023-11-12 00:46:05,610 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] [2023-11-12 00:46:05,610 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] [2023-11-12 00:46:05,615 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] [2023-11-12 00:46:05,621 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] [2023-11-12 00:46:05,626 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] [2023-11-12 00:46:05,628 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] [2023-11-12 00:46:05,630 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] [2023-11-12 00:46:05,641 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] [2023-11-12 00:46:05,642 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6100] [2023-11-12 00:46:05,662 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6731] [2023-11-12 00:46:05,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6816] [2023-11-12 00:46:05,673 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6935] [2023-11-12 00:46:05,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6980] [2023-11-12 00:46:05,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7061] [2023-11-12 00:46:05,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7159] [2023-11-12 00:46:05,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7309] [2023-11-12 00:46:05,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7344] [2023-11-12 00:46:05,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7674] [2023-11-12 00:46:05,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8105] [2023-11-12 00:46:05,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8132] [2023-11-12 00:46:05,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8170] [2023-11-12 00:46:05,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [8319] [2023-11-12 00:46:05,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8681] [2023-11-12 00:46:05,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8756] [2023-11-12 00:46:05,952 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_c63f9edc-8227-4a00-ad54-acb6a38b540f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342349,342362] [2023-11-12 00:46:05,953 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_c63f9edc-8227-4a00-ad54-acb6a38b540f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342494,342507] [2023-11-12 00:46:05,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:46:06,179 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:46:06,188 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:46:06,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:06 WrapperNode [2023-11-12 00:46:06,189 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:46:06,190 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:46:06,192 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:46:06,192 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:46:06,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:06" (1/1) ... [2023-11-12 00:46:06,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:06" (1/1) ... [2023-11-12 00:46:06,662 INFO L138 Inliner]: procedures = 455, calls = 2277, calls flagged for inlining = 223, calls inlined = 189, statements flattened = 5627 [2023-11-12 00:46:06,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:46:06,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:46:06,664 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:46:06,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:46:06,675 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:06" (1/1) ... [2023-11-12 00:46:06,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:06" (1/1) ... [2023-11-12 00:46:06,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:06" (1/1) ... [2023-11-12 00:46:06,710 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:06" (1/1) ... [2023-11-12 00:46:06,910 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:06" (1/1) ... [2023-11-12 00:46:06,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:06" (1/1) ... [2023-11-12 00:46:06,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:06" (1/1) ... [2023-11-12 00:46:07,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:06" (1/1) ... [2023-11-12 00:46:07,051 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:46:07,053 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:46:07,054 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:46:07,055 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:46:07,056 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:06" (1/1) ... [2023-11-12 00:46:07,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:46:07,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63f9edc-8227-4a00-ad54-acb6a38b540f/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:46:07,094 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63f9edc-8227-4a00-ad54-acb6a38b540f/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:46:07,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63f9edc-8227-4a00-ad54-acb6a38b540f/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:46:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 00:46:07,139 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 00:46:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:46:07,140 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:46:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-12 00:46:07,140 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-12 00:46:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 00:46:07,141 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 00:46:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:46:07,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:46:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 00:46:07,142 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 00:46:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wakeup [2023-11-12 00:46:07,142 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wakeup [2023-11-12 00:46:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wait_status [2023-11-12 00:46:07,142 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wait_status [2023-11-12 00:46:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_set_rx_mode [2023-11-12 00:46:07,143 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_set_rx_mode [2023-11-12 00:46:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 00:46:07,143 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 00:46:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 00:46:07,143 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 00:46:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-12 00:46:07,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-12 00:46:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 00:46:07,144 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 00:46:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-12 00:46:07,144 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-12 00:46:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-12 00:46:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 00:46:07,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 00:46:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:46:07,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:46:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 00:46:07,146 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 00:46:07,147 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-12 00:46:07,147 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-12 00:46:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-12 00:46:07,148 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-12 00:46:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:46:07,148 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:46:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:46:07,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:46:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-12 00:46:07,149 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-12 00:46:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:46:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_clean_tx [2023-11-12 00:46:07,150 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_clean_tx [2023-11-12 00:46:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_stop_runtime [2023-11-12 00:46:07,150 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_stop_runtime [2023-11-12 00:46:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:46:07,150 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:46:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-12 00:46:07,151 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-12 00:46:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_resume [2023-11-12 00:46:07,151 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_resume [2023-11-12 00:46:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_rxfree_index [2023-11-12 00:46:07,151 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_rxfree_index [2023-11-12 00:46:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:46:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_remove_one [2023-11-12 00:46:07,153 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_remove_one [2023-11-12 00:46:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:46:07,153 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:46:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:46:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:46:07,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:46:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:46:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 00:46:07,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 00:46:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:46:07,154 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:46:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:46:07,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:46:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:46:07,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:46:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 00:46:07,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 00:46:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-12 00:46:07,156 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-12 00:46:07,156 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 00:46:07,156 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 00:46:07,157 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 00:46:07,157 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 00:46:07,157 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_close [2023-11-12 00:46:07,157 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_close [2023-11-12 00:46:07,157 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_tx_timeout [2023-11-12 00:46:07,157 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_tx_timeout [2023-11-12 00:46:07,158 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_alloc_rx_skb [2023-11-12 00:46:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_alloc_rx_skb [2023-11-12 00:46:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_issue_command [2023-11-12 00:46:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_issue_command [2023-11-12 00:46:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:46:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:46:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:46:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:46:07,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:46:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:46:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_process_response [2023-11-12 00:46:07,160 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_process_response [2023-11-12 00:46:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:46:07,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:46:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:46:07,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:46:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:46:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:46:07,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:46:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-12 00:46:07,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-12 00:46:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-12 00:46:07,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-12 00:46:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2023-11-12 00:46:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2023-11-12 00:46:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_num_free_tx [2023-11-12 00:46:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_num_free_tx [2023-11-12 00:46:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-12 00:46:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-12 00:46:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_reset [2023-11-12 00:46:07,165 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_reset [2023-11-12 00:46:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:46:07,166 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:46:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 00:46:07,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 00:46:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_cmd_index [2023-11-12 00:46:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_cmd_index [2023-11-12 00:46:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 00:46:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 00:46:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_fill_free_ring [2023-11-12 00:46:07,173 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_fill_free_ring [2023-11-12 00:46:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:46:07,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:46:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-12 00:46:07,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-12 00:46:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-12 00:46:07,180 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-12 00:46:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:46:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:46:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:46:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:46:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-12 00:46:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-12 00:46:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-12 00:46:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-12 00:46:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:46:07,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:46:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 00:46:07,182 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 00:46:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-12 00:46:07,182 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-12 00:46:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wait_interrupt [2023-11-12 00:46:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wait_interrupt [2023-11-12 00:46:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:46:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 00:46:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 00:46:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:46:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2023-11-12 00:46:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2023-11-12 00:46:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:46:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:46:07,184 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:46:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-12 00:46:07,184 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-12 00:46:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_boot_3XP [2023-11-12 00:46:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_boot_3XP [2023-11-12 00:46:07,185 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-12 00:46:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-12 00:46:07,185 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:46:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:46:07,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:46:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:46:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-11-12 00:46:07,186 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-11-12 00:46:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 00:46:07,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 00:46:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-11-12 00:46:07,186 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-11-12 00:46:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 00:46:07,186 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 00:46:07,187 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 00:46:07,187 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 00:46:07,187 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_free_rx_rings [2023-11-12 00:46:07,187 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_free_rx_rings [2023-11-12 00:46:07,187 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:46:07,187 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:46:07,187 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_do_get_stats [2023-11-12 00:46:07,188 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_do_get_stats [2023-11-12 00:46:07,188 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_num_free [2023-11-12 00:46:07,188 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_num_free [2023-11-12 00:46:07,188 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_sleep [2023-11-12 00:46:07,188 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_sleep [2023-11-12 00:46:07,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:46:07,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:46:07,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:46:07,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2023-11-12 00:46:07,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2023-11-12 00:46:07,189 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_init_rings [2023-11-12 00:46:07,189 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_init_rings [2023-11-12 00:46:07,189 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-12 00:46:07,189 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-12 00:46:07,189 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_open [2023-11-12 00:46:07,190 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_open [2023-11-12 00:46:07,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:46:07,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:46:07,190 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_start_runtime [2023-11-12 00:46:07,190 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_start_runtime [2023-11-12 00:46:07,190 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-12 00:46:07,190 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-12 00:46:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-12 00:46:07,191 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-12 00:46:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:46:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_index [2023-11-12 00:46:07,191 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_index [2023-11-12 00:46:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:46:07,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:46:08,049 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:46:08,053 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:46:08,141 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:46:15,707 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:46:15,902 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:46:18,545 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:46:18,545 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:46:18,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:46:18 BoogieIcfgContainer [2023-11-12 00:46:18,552 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:46:18,555 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:46:18,555 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:46:18,559 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:46:18,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:46:01" (1/3) ... [2023-11-12 00:46:18,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@95790eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:46:18, skipping insertion in model container [2023-11-12 00:46:18,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:06" (2/3) ... [2023-11-12 00:46:18,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@95790eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:46:18, skipping insertion in model container [2023-11-12 00:46:18,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:46:18" (3/3) ... [2023-11-12 00:46:18,562 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2023-11-12 00:46:18,585 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:46:18,585 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:46:18,701 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:46:18,708 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;@6799a0b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:46:18,709 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:46:18,722 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) [2023-11-12 00:46:18,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-12 00:46:18,779 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:18,780 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] [2023-11-12 00:46:18,781 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:46:18,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:18,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1902502435, now seen corresponding path program 1 times [2023-11-12 00:46:18,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:46:18,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111931001] [2023-11-12 00:46:18,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:18,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:46:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:20,074 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-12 00:46:20,075 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:46:20,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111931001] [2023-11-12 00:46:20,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111931001] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:46:20,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:46:20,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:46:20,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333721070] [2023-11-12 00:46:20,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:46:20,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:46:20,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:46:20,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:46:20,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:46:20,138 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) [2023-11-12 00:46:23,719 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 [] [2023-11-12 00:46:26,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:46:28,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:46:30,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:46:32,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:46:33,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:46:33,210 INFO L93 Difference]: Finished difference Result 3718 states and 5416 transitions. [2023-11-12 00:46:33,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:46:33,214 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 [2023-11-12 00:46:33,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:46:33,252 INFO L225 Difference]: With dead ends: 3718 [2023-11-12 00:46:33,252 INFO L226 Difference]: Without dead ends: 2239 [2023-11-12 00:46:33,270 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 [2023-11-12 00:46:33,273 INFO L413 NwaCegarLoop]: 1866 mSDtfsCounter, 1220 mSDsluCounter, 1793 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 17 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1220 SdHoareTripleChecker+Valid, 3659 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2023-11-12 00:46:33,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1220 Valid, 3659 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 565 Invalid, 5 Unknown, 0 Unchecked, 12.8s Time] [2023-11-12 00:46:33,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2239 states. [2023-11-12 00:46:33,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2239 to 2236. [2023-11-12 00:46:33,491 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) [2023-11-12 00:46:33,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 3208 transitions. [2023-11-12 00:46:33,525 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 3208 transitions. Word has length 167 [2023-11-12 00:46:33,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:46:33,529 INFO L495 AbstractCegarLoop]: Abstraction has 2236 states and 3208 transitions. [2023-11-12 00:46:33,530 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) [2023-11-12 00:46:33,530 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 3208 transitions. [2023-11-12 00:46:33,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-11-12 00:46:33,548 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:33,549 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] [2023-11-12 00:46:33,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:46:33,550 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:46:33,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:33,551 INFO L85 PathProgramCache]: Analyzing trace with hash 678896387, now seen corresponding path program 1 times [2023-11-12 00:46:33,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:46:33,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357848517] [2023-11-12 00:46:33,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:33,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:46:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:33,959 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-11-12 00:46:33,959 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:46:33,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357848517] [2023-11-12 00:46:33,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357848517] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:46:33,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:46:33,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:46:33,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627354724] [2023-11-12 00:46:33,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:46:33,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:46:33,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:46:33,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:46:33,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:46:33,965 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) [2023-11-12 00:46:36,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:46:38,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:46:42,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:46:44,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:46:46,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:46:49,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:46:49,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:46:49,165 INFO L93 Difference]: Finished difference Result 5767 states and 8251 transitions. [2023-11-12 00:46:49,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:46:49,167 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 [2023-11-12 00:46:49,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:46:49,200 INFO L225 Difference]: With dead ends: 5767 [2023-11-12 00:46:49,200 INFO L226 Difference]: Without dead ends: 3548 [2023-11-12 00:46:49,213 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 [2023-11-12 00:46:49,214 INFO L413 NwaCegarLoop]: 1786 mSDtfsCounter, 1741 mSDsluCounter, 1720 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 7 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s 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, 14.9s IncrementalHoareTripleChecker+Time [2023-11-12 00:46:49,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1741 Valid, 3506 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 538 Invalid, 6 Unknown, 0 Unchecked, 14.9s Time] [2023-11-12 00:46:49,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3548 states. [2023-11-12 00:46:49,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3548 to 3544. [2023-11-12 00:46:49,434 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) [2023-11-12 00:46:49,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 3544 states and 5055 transitions. [2023-11-12 00:46:49,468 INFO L78 Accepts]: Start accepts. Automaton has 3544 states and 5055 transitions. Word has length 184 [2023-11-12 00:46:49,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:46:49,469 INFO L495 AbstractCegarLoop]: Abstraction has 3544 states and 5055 transitions. [2023-11-12 00:46:49,469 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) [2023-11-12 00:46:49,470 INFO L276 IsEmpty]: Start isEmpty. Operand 3544 states and 5055 transitions. [2023-11-12 00:46:49,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-11-12 00:46:49,476 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:49,477 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] [2023-11-12 00:46:49,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:46:49,477 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:46:49,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:49,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1578390644, now seen corresponding path program 1 times [2023-11-12 00:46:49,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:46:49,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961125154] [2023-11-12 00:46:49,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:49,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:46:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:49,947 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2023-11-12 00:46:49,948 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:46:49,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961125154] [2023-11-12 00:46:49,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961125154] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:46:49,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:46:49,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:46:49,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54514041] [2023-11-12 00:46:49,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:46:49,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:46:49,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:46:49,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:46:49,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:46:49,951 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)