./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_8781ab63-baa6-4413-9f6b-4fd40f271fcd/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8781ab63-baa6-4413-9f6b-4fd40f271fcd/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8781ab63-baa6-4413-9f6b-4fd40f271fcd/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8781ab63-baa6-4413-9f6b-4fd40f271fcd/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8781ab63-baa6-4413-9f6b-4fd40f271fcd/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8781ab63-baa6-4413-9f6b-4fd40f271fcd/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b5d2eeaaae10ee4c57bd86d22cba165fc727430aa2a7f660f053fb73e5712838 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:15:43,054 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:15:43,149 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8781ab63-baa6-4413-9f6b-4fd40f271fcd/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:15:43,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:15:43,155 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:15:43,185 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:15:43,186 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:15:43,187 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:15:43,188 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:15:43,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:15:43,189 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:15:43,190 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:15:43,191 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:15:43,192 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:15:43,194 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:15:43,195 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:15:43,196 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:15:43,201 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:15:43,201 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:15:43,202 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:15:43,202 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:15:43,207 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:15:43,208 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:15:43,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:15:43,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:15:43,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:15:43,211 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:15:43,211 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:15:43,212 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:15:43,212 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:15:43,213 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:15:43,214 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:15:43,215 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:15:43,215 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:15:43,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:15:43,216 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:15:43,216 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:15:43,217 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:15:43,217 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:15:43,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:15:43,218 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:15:43,218 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:15:43,219 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:15:43,219 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:15:43,220 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_8781ab63-baa6-4413-9f6b-4fd40f271fcd/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8781ab63-baa6-4413-9f6b-4fd40f271fcd/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5d2eeaaae10ee4c57bd86d22cba165fc727430aa2a7f660f053fb73e5712838 [2023-11-24 23:15:43,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:15:43,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:15:43,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:15:43,590 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:15:43,590 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:15:43,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8781ab63-baa6-4413-9f6b-4fd40f271fcd/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i [2023-11-24 23:15:46,823 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:15:47,685 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:15:47,685 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8781ab63-baa6-4413-9f6b-4fd40f271fcd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i [2023-11-24 23:15:47,800 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8781ab63-baa6-4413-9f6b-4fd40f271fcd/bin/utaipan-verify-SwPr7d2a91/data/ae8b8e01c/0c49672ff6fc436cb00fd08711483e57/FLAGb6ed8429d [2023-11-24 23:15:47,816 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8781ab63-baa6-4413-9f6b-4fd40f271fcd/bin/utaipan-verify-SwPr7d2a91/data/ae8b8e01c/0c49672ff6fc436cb00fd08711483e57 [2023-11-24 23:15:47,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:15:47,821 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:15:47,826 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:15:47,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:15:47,832 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:15:47,834 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:15:47" (1/1) ... [2023-11-24 23:15:47,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d58888e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:47, skipping insertion in model container [2023-11-24 23:15:47,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:15:47" (1/1) ... [2023-11-24 23:15:48,083 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:15:52,297 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_8781ab63-baa6-4413-9f6b-4fd40f271fcd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[454757,454770] [2023-11-24 23:15:52,302 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_8781ab63-baa6-4413-9f6b-4fd40f271fcd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[454904,454917] [2023-11-24 23:15:52,302 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_8781ab63-baa6-4413-9f6b-4fd40f271fcd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[455043,455056] [2023-11-24 23:15:52,304 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_8781ab63-baa6-4413-9f6b-4fd40f271fcd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[455201,455214] [2023-11-24 23:15:52,336 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:15:52,414 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:15:52,621 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)); [5804] [2023-11-24 23:15:52,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5811] [2023-11-24 23:15:52,628 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" (19), "i" (12UL)); [5909-5910] [2023-11-24 23:15:52,630 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" (36), "i" (12UL)); [5943-5944] [2023-11-24 23:15:52,631 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)); [5981-5982] [2023-11-24 23:15:52,633 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)); [6018-6019] [2023-11-24 23:15:52,638 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6276] [2023-11-24 23:15:52,640 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6303] [2023-11-24 23:15:52,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7234] [2023-11-24 23:15:52,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7354] [2023-11-24 23:15:52,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7475] [2023-11-24 23:15:52,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8459] [2023-11-24 23:15:52,731 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"); [9005] [2023-11-24 23:15:52,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [9012] [2023-11-24 23:15:52,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/a068ef8/linux-usb-dev/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [9066-9067] [2023-11-24 23:15:52,733 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"); [9072-9074] [2023-11-24 23:15:52,741 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)); [9305-9306] [2023-11-24 23:15:52,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9312] [2023-11-24 23:15:52,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9575] [2023-11-24 23:15:52,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10168] [2023-11-24 23:15:52,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10432] [2023-11-24 23:15:52,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [14700] [2023-11-24 23:15:52,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [15321] [2023-11-24 23:15:53,049 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_8781ab63-baa6-4413-9f6b-4fd40f271fcd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[454757,454770] [2023-11-24 23:15:53,049 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_8781ab63-baa6-4413-9f6b-4fd40f271fcd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[454904,454917] [2023-11-24 23:15:53,050 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_8781ab63-baa6-4413-9f6b-4fd40f271fcd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[455043,455056] [2023-11-24 23:15:53,051 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_8781ab63-baa6-4413-9f6b-4fd40f271fcd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i[455201,455214] [2023-11-24 23:15:53,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:15:53,364 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:15:53,372 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:15:53,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:53 WrapperNode [2023-11-24 23:15:53,373 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:15:53,374 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:15:53,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:15:53,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:15:53,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:53" (1/1) ... [2023-11-24 23:15:53,538 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:53" (1/1) ... [2023-11-24 23:15:54,066 INFO L138 Inliner]: procedures = 460, calls = 5234, calls flagged for inlining = 269, calls inlined = 252, statements flattened = 13928 [2023-11-24 23:15:54,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:15:54,068 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:15:54,068 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:15:54,068 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:15:54,078 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:53" (1/1) ... [2023-11-24 23:15:54,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:53" (1/1) ... [2023-11-24 23:15:54,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:53" (1/1) ... [2023-11-24 23:15:54,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:53" (1/1) ... [2023-11-24 23:15:54,543 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:53" (1/1) ... [2023-11-24 23:15:54,602 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:53" (1/1) ... [2023-11-24 23:15:54,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:53" (1/1) ... [2023-11-24 23:15:54,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:53" (1/1) ... [2023-11-24 23:15:54,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:15:54,878 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:15:54,878 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:15:54,878 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:15:54,880 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:53" (1/1) ... [2023-11-24 23:15:54,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:15:54,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8781ab63-baa6-4413-9f6b-4fd40f271fcd/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:15:54,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8781ab63-baa6-4413-9f6b-4fd40f271fcd/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:15:54,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8781ab63-baa6-4413-9f6b-4fd40f271fcd/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:15:55,042 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2023-11-24 23:15:55,042 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2023-11-24 23:15:55,042 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_media_task [2023-11-24 23:15:55,042 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_media_task [2023-11-24 23:15:55,043 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-24 23:15:55,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-24 23:15:55,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 23:15:55,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 23:15:55,043 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-24 23:15:55,044 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-24 23:15:55,044 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-24 23:15:55,044 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-24 23:15:55,044 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2023-11-24 23:15:55,044 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2023-11-24 23:15:55,045 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2023-11-24 23:15:55,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2023-11-24 23:15:55,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:15:55,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:15:55,045 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-24 23:15:55,045 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-24 23:15:55,046 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-24 23:15:55,046 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-24 23:15:55,046 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-24 23:15:55,046 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-24 23:15:55,046 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-24 23:15:55,047 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-24 23:15:55,047 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-24 23:15:55,047 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-24 23:15:55,047 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-24 23:15:55,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-24 23:15:55,047 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-24 23:15:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-24 23:15:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-24 23:15:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-24 23:15:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-24 23:15:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-24 23:15:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-24 23:15:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-24 23:15:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-24 23:15:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-24 23:15:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-24 23:15:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-24 23:15:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-24 23:15:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2023-11-24 23:15:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2023-11-24 23:15:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-24 23:15:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-24 23:15:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-24 23:15:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-24 23:15:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-24 23:15:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-24 23:15:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 23:15:55,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 23:15:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-24 23:15:55,059 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-24 23:15:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-24 23:15:55,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-24 23:15:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:15:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2023-11-24 23:15:55,060 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2023-11-24 23:15:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_resume [2023-11-24 23:15:55,061 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_resume [2023-11-24 23:15:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-24 23:15:55,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-24 23:15:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2023-11-24 23:15:55,061 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2023-11-24 23:15:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-24 23:15:55,062 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-24 23:15:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-24 23:15:55,062 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-24 23:15:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2023-11-24 23:15:55,063 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2023-11-24 23:15:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2023-11-24 23:15:55,063 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2023-11-24 23:15:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_media_task [2023-11-24 23:15:55,063 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_media_task [2023-11-24 23:15:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:15:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2023-11-24 23:15:55,064 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2023-11-24 23:15:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-24 23:15:55,064 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-24 23:15:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-24 23:15:55,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-24 23:15:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:15:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-24 23:15:55,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-24 23:15:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-24 23:15:55,066 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-24 23:15:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:15:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-24 23:15:55,066 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-24 23:15:55,079 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-24 23:15:55,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-24 23:15:55,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-24 23:15:55,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-24 23:15:55,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-24 23:15:55,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-24 23:15:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-24 23:15:55,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-24 23:15:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-24 23:15:55,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-24 23:15:55,080 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_timer [2023-11-24 23:15:55,081 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_timer [2023-11-24 23:15:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-24 23:15:55,082 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-24 23:15:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-24 23:15:55,082 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-24 23:15:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2023-11-24 23:15:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2023-11-24 23:15:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2023-11-24 23:15:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2023-11-24 23:15:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:15:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-24 23:15:55,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-24 23:15:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-24 23:15:55,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-24 23:15:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-24 23:15:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-24 23:15:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-24 23:15:55,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-24 23:15:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:15:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-24 23:15:55,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-24 23:15:55,090 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-24 23:15:55,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-24 23:15:55,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:15:55,091 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2023-11-24 23:15:55,097 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2023-11-24 23:15:55,097 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-24 23:15:55,097 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-24 23:15:55,097 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-24 23:15:55,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-24 23:15:55,097 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:15:55,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:15:55,098 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-24 23:15:55,098 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-24 23:15:55,098 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-24 23:15:55,098 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-24 23:15:55,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-24 23:15:55,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-24 23:15:55,098 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-24 23:15:55,099 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-24 23:15:55,099 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-24 23:15:55,099 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-24 23:15:55,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:15:55,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:15:55,099 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_close [2023-11-24 23:15:55,099 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_close [2023-11-24 23:15:55,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:15:55,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:15:55,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:15:55,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:15:55,100 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2023-11-24 23:15:55,100 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2023-11-24 23:15:55,100 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-24 23:15:55,100 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-24 23:15:55,101 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2023-11-24 23:15:55,101 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2023-11-24 23:15:55,101 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-24 23:15:55,101 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-24 23:15:55,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2023-11-24 23:15:55,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2023-11-24 23:15:55,101 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2023-11-24 23:15:55,101 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2023-11-24 23:15:55,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-24 23:15:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-24 23:15:55,102 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2023-11-24 23:15:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2023-11-24 23:15:55,102 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2023-11-24 23:15:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2023-11-24 23:15:55,102 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-24 23:15:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-24 23:15:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2023-11-24 23:15:55,119 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2023-11-24 23:15:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2023-11-24 23:15:55,119 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2023-11-24 23:15:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:15:55,119 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:15:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-24 23:15:55,120 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-24 23:15:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure comet_timer [2023-11-24 23:15:55,120 INFO L138 BoogieDeclarations]: Found implementation of procedure comet_timer [2023-11-24 23:15:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2023-11-24 23:15:55,120 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2023-11-24 23:15:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-24 23:15:55,120 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-24 23:15:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:15:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2023-11-24 23:15:55,121 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2023-11-24 23:15:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-24 23:15:55,121 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-24 23:15:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:15:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-24 23:15:55,121 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-24 23:15:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-24 23:15:55,122 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-24 23:15:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2023-11-24 23:15:55,122 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2023-11-24 23:15:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:15:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:15:55,122 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:15:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2023-11-24 23:15:55,123 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2023-11-24 23:15:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2023-11-24 23:15:55,123 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2023-11-24 23:15:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-24 23:15:55,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-24 23:15:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-24 23:15:55,123 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-24 23:15:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2023-11-24 23:15:55,124 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2023-11-24 23:15:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-24 23:15:55,124 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-24 23:15:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-24 23:15:55,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-24 23:15:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure mxic_timer [2023-11-24 23:15:55,124 INFO L138 BoogieDeclarations]: Found implementation of procedure mxic_timer [2023-11-24 23:15:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-24 23:15:55,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-24 23:15:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-24 23:15:55,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-24 23:15:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2023-11-24 23:15:55,125 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2023-11-24 23:15:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-24 23:15:55,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-24 23:15:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2023-11-24 23:15:55,126 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2023-11-24 23:15:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_timer [2023-11-24 23:15:55,126 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_timer [2023-11-24 23:15:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-24 23:15:55,126 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-24 23:15:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-24 23:15:55,126 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-24 23:15:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-24 23:15:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-24 23:15:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-24 23:15:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-24 23:15:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-24 23:15:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-24 23:15:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:15:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2023-11-24 23:15:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2023-11-24 23:15:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:15:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:15:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2023-11-24 23:15:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2023-11-24 23:15:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2023-11-24 23:15:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2023-11-24 23:15:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-24 23:15:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-24 23:15:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_open [2023-11-24 23:15:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_open [2023-11-24 23:15:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-24 23:15:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-24 23:15:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-24 23:15:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-24 23:15:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-24 23:15:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-24 23:15:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-24 23:15:55,135 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-24 23:15:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-24 23:15:55,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-24 23:15:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2023-11-24 23:15:55,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2023-11-24 23:15:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-24 23:15:55,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-24 23:15:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2023-11-24 23:15:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2023-11-24 23:15:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-24 23:15:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-24 23:15:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:15:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_timer [2023-11-24 23:15:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_timer [2023-11-24 23:15:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-24 23:15:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-24 23:15:56,540 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:15:56,550 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:15:58,123 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:16:09,071 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-24 23:16:09,323 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:16:20,361 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:16:20,361 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:16:20,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:16:20 BoogieIcfgContainer [2023-11-24 23:16:20,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:16:20,367 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:16:20,367 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:16:20,371 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:16:20,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:15:47" (1/3) ... [2023-11-24 23:16:20,372 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@206f73bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:16:20, skipping insertion in model container [2023-11-24 23:16:20,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:53" (2/3) ... [2023-11-24 23:16:20,372 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@206f73bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:16:20, skipping insertion in model container [2023-11-24 23:16:20,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:16:20" (3/3) ... [2023-11-24 23:16:20,374 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-dec-tulip-tulip.cil.i [2023-11-24 23:16:20,395 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:16:20,395 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-24 23:16:20,539 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:16:20,554 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;@951baea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:16:20,557 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-24 23:16:20,575 INFO L276 IsEmpty]: Start isEmpty. Operand has 2895 states, 1749 states have (on average 1.343624928530589) internal successors, (2350), 1842 states have internal predecessors, (2350), 1017 states have call successors, (1017), 129 states have call predecessors, (1017), 128 states have return successors, (1010), 974 states have call predecessors, (1010), 1010 states have call successors, (1010) [2023-11-24 23:16:20,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-24 23:16:20,614 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:16:20,615 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:16:20,615 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:16:20,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:16:20,621 INFO L85 PathProgramCache]: Analyzing trace with hash 778401323, now seen corresponding path program 1 times [2023-11-24 23:16:20,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:16:20,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416818292] [2023-11-24 23:16:20,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:16:20,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:16:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:16:22,221 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-24 23:16:22,222 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:16:22,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416818292] [2023-11-24 23:16:22,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416818292] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:16:22,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:16:22,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:16:22,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118972060] [2023-11-24 23:16:22,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:16:22,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:16:22,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:16:22,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:16:22,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:16:22,276 INFO L87 Difference]: Start difference. First operand has 2895 states, 1749 states have (on average 1.343624928530589) internal successors, (2350), 1842 states have internal predecessors, (2350), 1017 states have call successors, (1017), 129 states have call predecessors, (1017), 128 states have return successors, (1010), 974 states have call predecessors, (1010), 1010 states have call successors, (1010) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16)