./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-dec-tulip-tulip.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_515b89ce-d6d1-4675-81d5-f93400f3be6c/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b89ce-d6d1-4675-81d5-f93400f3be6c/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_515b89ce-d6d1-4675-81d5-f93400f3be6c/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b89ce-d6d1-4675-81d5-f93400f3be6c/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-dec-tulip-tulip.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b89ce-d6d1-4675-81d5-f93400f3be6c/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_515b89ce-d6d1-4675-81d5-f93400f3be6c/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 992a1e8d90338cdabe7a076eea5104d9629c0e7f956adc14aa39d01d99d3f218 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:50:46,676 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:50:46,791 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b89ce-d6d1-4675-81d5-f93400f3be6c/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:50:46,797 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:50:46,799 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:50:46,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:50:46,838 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:50:46,839 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:50:46,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:50:46,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:50:46,845 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:50:46,845 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:50:46,846 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:50:46,848 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:50:46,848 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:50:46,848 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:50:46,849 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:50:46,849 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:50:46,850 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:50:46,850 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:50:46,851 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:50:46,852 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:50:46,853 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:50:46,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:50:46,854 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:50:46,854 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:50:46,855 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:50:46,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:50:46,855 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:50:46,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:50:46,857 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:50:46,858 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:50:46,858 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:50:46,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:50:46,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:50:46,859 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:50:46,859 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:50:46,859 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:50:46,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:50:46,860 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:50:46,860 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:50:46,860 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:50:46,861 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_515b89ce-d6d1-4675-81d5-f93400f3be6c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b89ce-d6d1-4675-81d5-f93400f3be6c/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 992a1e8d90338cdabe7a076eea5104d9629c0e7f956adc14aa39d01d99d3f218 [2023-11-12 00:50:47,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:50:47,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:50:47,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:50:47,280 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:50:47,281 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:50:47,282 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b89ce-d6d1-4675-81d5-f93400f3be6c/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2023-11-12 00:50:50,592 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:50:51,496 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:50:51,497 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b89ce-d6d1-4675-81d5-f93400f3be6c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2023-11-12 00:50:51,578 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b89ce-d6d1-4675-81d5-f93400f3be6c/bin/utaipan-verify-NcY6lQBIFX/data/f99ec92f9/97a0862b02a84b48be73f7c9d048158a/FLAG9e44b87d6 [2023-11-12 00:50:51,595 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b89ce-d6d1-4675-81d5-f93400f3be6c/bin/utaipan-verify-NcY6lQBIFX/data/f99ec92f9/97a0862b02a84b48be73f7c9d048158a [2023-11-12 00:50:51,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:50:51,603 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:50:51,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:50:51,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:50:51,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:50:51,611 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:50:51" (1/1) ... [2023-11-12 00:50:51,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a4e3ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:51, skipping insertion in model container [2023-11-12 00:50:51,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:50:51" (1/1) ... [2023-11-12 00:50:51,839 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:50:56,629 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b89ce-d6d1-4675-81d5-f93400f3be6c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[492962,492975] [2023-11-12 00:50:56,643 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_515b89ce-d6d1-4675-81d5-f93400f3be6c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[493107,493120] [2023-11-12 00:50:56,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:50:56,768 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:50:56,976 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)); [5801] [2023-11-12 00:50:56,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5808] [2023-11-12 00:50:56,984 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)); [5910-5911] [2023-11-12 00:50:56,987 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)); [5944-5945] [2023-11-12 00:50:56,989 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)); [5982-5983] [2023-11-12 00:50:56,991 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)); [6019-6020] [2023-11-12 00:50:56,999 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6279] [2023-11-12 00:50:57,000 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6306] [2023-11-12 00:50:57,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7271] [2023-11-12 00:50:57,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7389] [2023-11-12 00:50:57,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7508] [2023-11-12 00:50:57,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8524] [2023-11-12 00:50:57,140 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"); [9092] [2023-11-12 00:50:57,141 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [9099] [2023-11-12 00:50:57,143 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)); [9145-9146] [2023-11-12 00:50:57,143 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"); [9151-9153] [2023-11-12 00:50:57,156 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)); [9415-9416] [2023-11-12 00:50:57,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9422] [2023-11-12 00:50:57,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9685] [2023-11-12 00:50:57,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10278] [2023-11-12 00:50:57,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10538] [2023-11-12 00:50:57,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [14852] [2023-11-12 00:50:57,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [15477] [2023-11-12 00:50:57,450 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [15954] [2023-11-12 00:50:57,502 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_515b89ce-d6d1-4675-81d5-f93400f3be6c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[492962,492975] [2023-11-12 00:50:57,503 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_515b89ce-d6d1-4675-81d5-f93400f3be6c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[493107,493120] [2023-11-12 00:50:57,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:50:57,844 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:50:57,852 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:50:57,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:57 WrapperNode [2023-11-12 00:50:57,853 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:50:57,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:50:57,855 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:50:57,855 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:50:57,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:57" (1/1) ... [2023-11-12 00:50:58,079 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:57" (1/1) ... [2023-11-12 00:50:58,697 INFO L138 Inliner]: procedures = 567, calls = 5543, calls flagged for inlining = 290, calls inlined = 264, statements flattened = 14252 [2023-11-12 00:50:58,713 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:50:58,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:50:58,714 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:50:58,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:50:58,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:57" (1/1) ... [2023-11-12 00:50:58,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:57" (1/1) ... [2023-11-12 00:50:58,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:57" (1/1) ... [2023-11-12 00:50:58,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:57" (1/1) ... [2023-11-12 00:50:59,195 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:57" (1/1) ... [2023-11-12 00:50:59,248 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:57" (1/1) ... [2023-11-12 00:50:59,292 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:57" (1/1) ... [2023-11-12 00:50:59,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:57" (1/1) ... [2023-11-12 00:50:59,422 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:50:59,423 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:50:59,423 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:50:59,424 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:50:59,425 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:57" (1/1) ... [2023-11-12 00:50:59,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:50:59,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b89ce-d6d1-4675-81d5-f93400f3be6c/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:50:59,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b89ce-d6d1-4675-81d5-f93400f3be6c/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:50:59,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515b89ce-d6d1-4675-81d5-f93400f3be6c/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:50:59,509 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2023-11-12 00:50:59,510 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2023-11-12 00:50:59,510 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_media_task [2023-11-12 00:50:59,510 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_media_task [2023-11-12 00:50:59,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 00:50:59,511 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 00:50:59,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:50:59,512 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:50:59,512 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-12 00:50:59,512 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-12 00:50:59,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84 [2023-11-12 00:50:59,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84 [2023-11-12 00:50:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 00:50:59,513 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 00:50:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2023-11-12 00:50:59,513 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2023-11-12 00:50:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2023-11-12 00:50:59,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2023-11-12 00:50:59,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:50:59,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:50:59,514 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 00:50:59,514 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 00:50:59,514 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 00:50:59,515 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 00:50:59,515 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-12 00:50:59,515 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-12 00:50:59,515 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 00:50:59,515 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 00:50:59,515 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-12 00:50:59,516 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-12 00:50:59,516 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-12 00:50:59,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-12 00:50:59,517 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 00:50:59,517 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 00:50:59,518 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-12 00:50:59,518 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-12 00:50:59,519 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 00:50:59,520 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 00:50:59,520 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-12 00:50:59,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-12 00:50:59,520 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 00:50:59,520 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 00:50:59,520 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 00:50:59,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:50:59,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:50:59,521 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2023-11-12 00:50:59,521 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2023-11-12 00:50:59,521 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 00:50:59,521 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 00:50:59,521 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-12 00:50:59,521 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-12 00:50:59,522 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:50:59,522 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:50:59,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:50:59,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:50:59,523 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 00:50:59,523 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 00:50:59,523 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-12 00:50:59,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-12 00:50:59,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:50:59,523 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2023-11-12 00:50:59,523 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2023-11-12 00:50:59,523 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_resume [2023-11-12 00:50:59,524 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_resume [2023-11-12 00:50:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-12 00:50:59,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-12 00:50:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2023-11-12 00:50:59,524 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2023-11-12 00:50:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:50:59,524 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:50:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2023-11-12 00:50:59,525 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2023-11-12 00:50:59,525 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2023-11-12 00:50:59,525 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2023-11-12 00:50:59,525 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_media_task [2023-11-12 00:50:59,525 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_media_task [2023-11-12 00:50:59,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:50:59,525 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___5 [2023-11-12 00:50:59,526 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___5 [2023-11-12 00:50:59,526 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2023-11-12 00:50:59,526 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2023-11-12 00:50:59,526 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:50:59,526 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:50:59,526 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 00:50:59,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 00:50:59,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:50:59,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:50:59,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:50:59,527 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-12 00:50:59,527 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-12 00:50:59,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:50:59,527 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-12 00:50:59,527 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-12 00:50:59,527 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 00:50:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 00:50:59,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-12 00:50:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-12 00:50:59,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:50:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:50:59,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 00:50:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 00:50:59,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:50:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:50:59,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:50:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:50:59,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 00:50:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 00:50:59,529 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_timer [2023-11-12 00:50:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_timer [2023-11-12 00:50:59,529 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 00:50:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 00:50:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 00:50:59,530 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 00:50:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2023-11-12 00:50:59,530 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2023-11-12 00:50:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2023-11-12 00:50:59,530 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2023-11-12 00:50:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:50:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:50:59,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:50:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:50:59,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:50:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-12 00:50:59,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-12 00:50:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-12 00:50:59,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-12 00:50:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:50:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:50:59,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:50:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:50:59,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:50:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:50:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2023-11-12 00:50:59,532 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2023-11-12 00:50:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-12 00:50:59,532 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-12 00:50:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-12 00:50:59,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-12 00:50:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:50:59,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:50:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-12 00:50:59,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-12 00:50:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-12 00:50:59,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-12 00:50:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tulip_private [2023-11-12 00:50:59,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tulip_private [2023-11-12 00:50:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 00:50:59,534 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 00:50:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 00:50:59,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 00:50:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:50:59,534 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:50:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 00:50:59,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 00:50:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mii_lock_of_tulip_private [2023-11-12 00:50:59,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mii_lock_of_tulip_private [2023-11-12 00:50:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 00:50:59,535 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 00:50:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-12 00:50:59,535 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-12 00:50:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tulip_private [2023-11-12 00:50:59,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tulip_private [2023-11-12 00:50:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:50:59,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:50:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_close [2023-11-12 00:50:59,536 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_close [2023-11-12 00:50:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:50:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:50:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:50:59,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:50:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2023-11-12 00:50:59,537 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2023-11-12 00:50:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-12 00:50:59,537 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-12 00:50:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2023-11-12 00:50:59,537 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2023-11-12 00:50:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-12 00:50:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-12 00:50:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2023-11-12 00:50:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2023-11-12 00:50:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2023-11-12 00:50:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2023-11-12 00:50:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 00:50:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 00:50:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2023-11-12 00:50:59,539 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2023-11-12 00:50:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2023-11-12 00:50:59,539 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2023-11-12 00:50:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-12 00:50:59,539 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-12 00:50:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2023-11-12 00:50:59,539 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2023-11-12 00:50:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2023-11-12 00:50:59,540 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2023-11-12 00:50:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:50:59,540 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:50:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 00:50:59,540 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 00:50:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure comet_timer [2023-11-12 00:50:59,540 INFO L138 BoogieDeclarations]: Found implementation of procedure comet_timer [2023-11-12 00:50:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2023-11-12 00:50:59,541 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2023-11-12 00:50:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 00:50:59,541 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 00:50:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:50:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2023-11-12 00:50:59,541 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2023-11-12 00:50:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 00:50:59,541 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 00:50:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:50:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-12 00:50:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-12 00:50:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-12 00:50:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-12 00:50:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2023-11-12 00:50:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2023-11-12 00:50:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:50:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:50:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:50:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2023-11-12 00:50:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2023-11-12 00:50:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2023-11-12 00:50:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2023-11-12 00:50:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 00:50:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 00:50:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2023-11-12 00:50:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2023-11-12 00:50:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:50:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:50:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-12 00:50:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-12 00:50:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure mxic_timer [2023-11-12 00:50:59,544 INFO L138 BoogieDeclarations]: Found implementation of procedure mxic_timer [2023-11-12 00:50:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:50:59,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:50:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 00:50:59,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 00:50:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2023-11-12 00:50:59,544 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2023-11-12 00:50:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-12 00:50:59,544 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-12 00:50:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2023-11-12 00:50:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2023-11-12 00:50:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84___0 [2023-11-12 00:50:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84___0 [2023-11-12 00:50:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_timer [2023-11-12 00:50:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_timer [2023-11-12 00:50:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_84 [2023-11-12 00:50:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_84 [2023-11-12 00:50:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 00:50:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 00:50:59,546 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 00:50:59,546 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 00:50:59,546 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-12 00:50:59,546 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-12 00:50:59,546 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:50:59,546 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:50:59,546 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:50:59,546 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:50:59,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:50:59,546 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2023-11-12 00:50:59,546 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2023-11-12 00:50:59,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:50:59,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:50:59,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_85 [2023-11-12 00:50:59,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_85 [2023-11-12 00:50:59,547 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2023-11-12 00:50:59,547 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2023-11-12 00:50:59,547 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2023-11-12 00:50:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2023-11-12 00:50:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-12 00:50:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-12 00:50:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_open [2023-11-12 00:50:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_open [2023-11-12 00:50:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-12 00:50:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-12 00:50:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:50:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:50:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-12 00:50:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-12 00:50:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-12 00:50:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-12 00:50:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-12 00:50:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-12 00:50:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2023-11-12 00:50:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2023-11-12 00:50:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-12 00:50:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-12 00:50:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2023-11-12 00:50:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2023-11-12 00:50:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:50:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_timer [2023-11-12 00:50:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_timer [2023-11-12 00:50:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:50:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:51:00,944 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:51:00,956 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:51:02,989 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:51:16,360 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:51:16,632 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:51:26,929 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:51:26,929 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:51:26,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:51:26 BoogieIcfgContainer [2023-11-12 00:51:26,943 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:51:26,946 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:51:26,946 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:51:26,949 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:51:26,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:50:51" (1/3) ... [2023-11-12 00:51:26,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a8742d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:51:26, skipping insertion in model container [2023-11-12 00:51:26,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:57" (2/3) ... [2023-11-12 00:51:26,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a8742d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:51:26, skipping insertion in model container [2023-11-12 00:51:26,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:51:26" (3/3) ... [2023-11-12 00:51:26,953 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2023-11-12 00:51:26,975 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:51:26,975 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:51:27,094 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:51:27,101 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;@46c9c0b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:51:27,101 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:51:27,119 INFO L276 IsEmpty]: Start isEmpty. Operand has 2962 states, 1765 states have (on average 1.341643059490085) internal successors, (2368), 1860 states have internal predecessors, (2368), 1059 states have call successors, (1059), 139 states have call predecessors, (1059), 138 states have return successors, (1052), 1016 states have call predecessors, (1052), 1052 states have call successors, (1052) [2023-11-12 00:51:27,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-12 00:51:27,170 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:51:27,171 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:51:27,172 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:51:27,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:51:27,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1341923120, now seen corresponding path program 1 times [2023-11-12 00:51:27,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:51:27,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019071744] [2023-11-12 00:51:27,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:51:27,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:51:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:51:29,067 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2023-11-12 00:51:29,067 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:51:29,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019071744] [2023-11-12 00:51:29,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019071744] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:51:29,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:51:29,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:51:29,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213959637] [2023-11-12 00:51:29,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:51:29,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:51:29,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:51:29,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:51:29,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:51:29,132 INFO L87 Difference]: Start difference. First operand has 2962 states, 1765 states have (on average 1.341643059490085) internal successors, (2368), 1860 states have internal predecessors, (2368), 1059 states have call successors, (1059), 139 states have call predecessors, (1059), 138 states have return successors, (1052), 1016 states have call predecessors, (1052), 1052 states have call successors, (1052) Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18)