./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-hp-hp100.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6abca8d-e155-45e0-95e9-d3ca55ba6b9a/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6abca8d-e155-45e0-95e9-d3ca55ba6b9a/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6abca8d-e155-45e0-95e9-d3ca55ba6b9a/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6abca8d-e155-45e0-95e9-d3ca55ba6b9a/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6abca8d-e155-45e0-95e9-d3ca55ba6b9a/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6abca8d-e155-45e0-95e9-d3ca55ba6b9a/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c76818fb304a0b40bd70831524c213fb48469a57ba59c902bf604bd33d1e93eb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:23:15,937 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:23:16,054 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6abca8d-e155-45e0-95e9-d3ca55ba6b9a/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:23:16,064 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:23:16,065 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:23:16,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:23:16,101 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:23:16,102 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:23:16,103 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:23:16,103 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:23:16,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:23:16,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:23:16,105 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:23:16,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:23:16,107 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:23:16,107 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:23:16,108 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:23:16,108 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:23:16,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:23:16,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:23:16,110 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:23:16,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:23:16,111 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:23:16,112 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:23:16,113 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:23:16,113 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:23:16,114 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:23:16,114 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:23:16,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:23:16,115 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:23:16,116 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:23:16,116 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:23:16,117 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:23:16,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:23:16,118 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:23:16,118 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:23:16,119 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:23:16,119 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:23:16,120 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:23:16,120 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c6abca8d-e155-45e0-95e9-d3ca55ba6b9a/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6abca8d-e155-45e0-95e9-d3ca55ba6b9a/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c76818fb304a0b40bd70831524c213fb48469a57ba59c902bf604bd33d1e93eb [2023-11-21 22:23:16,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:23:16,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:23:16,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:23:16,506 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:23:16,506 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:23:16,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6abca8d-e155-45e0-95e9-d3ca55ba6b9a/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i [2023-11-21 22:23:19,693 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:23:20,396 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:23:20,396 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6abca8d-e155-45e0-95e9-d3ca55ba6b9a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i [2023-11-21 22:23:20,450 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6abca8d-e155-45e0-95e9-d3ca55ba6b9a/bin/uautomizer-verify-bycVGegfSx/data/2cbf8d817/10de2568ac8b4f6e81fc1dfdedc96acf/FLAGa976cce3a [2023-11-21 22:23:20,468 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6abca8d-e155-45e0-95e9-d3ca55ba6b9a/bin/uautomizer-verify-bycVGegfSx/data/2cbf8d817/10de2568ac8b4f6e81fc1dfdedc96acf [2023-11-21 22:23:20,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:23:20,478 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:23:20,480 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:23:20,480 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:23:20,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:23:20,487 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:23:20" (1/1) ... [2023-11-21 22:23:20,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a636c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:20, skipping insertion in model container [2023-11-21 22:23:20,489 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:23:20" (1/1) ... [2023-11-21 22:23:20,689 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:23:23,664 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_c6abca8d-e155-45e0-95e9-d3ca55ba6b9a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i[315653,315666] [2023-11-21 22:23:23,668 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_c6abca8d-e155-45e0-95e9-d3ca55ba6b9a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i[315798,315811] [2023-11-21 22:23:23,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:23:23,752 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:23:23,911 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"); [5217] [2023-11-21 22:23:23,912 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)); [5224] [2023-11-21 22:23:23,915 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)); [5259-5260] [2023-11-21 22:23:23,915 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"); [5265-5267] [2023-11-21 22:23:23,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [5315] [2023-11-21 22:23:23,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5318] [2023-11-21 22:23:23,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5321] [2023-11-21 22:23:23,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5324] [2023-11-21 22:23:23,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5393] [2023-11-21 22:23:23,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5439] [2023-11-21 22:23:23,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5447] [2023-11-21 22:23:23,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5454] [2023-11-21 22:23:23,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5462] [2023-11-21 22:23:23,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5469] [2023-11-21 22:23:23,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5477] [2023-11-21 22:23:23,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; outsl": "+S" (addr), "+c" (count): "d" (port)); [5484] [2023-11-21 22:23:23,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; insl": "+D" (addr), "+c" (count): "d" (port)); [5491] [2023-11-21 22:23:23,935 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)); [5560-5561] [2023-11-21 22:23:23,942 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)); [5594-5595] [2023-11-21 22:23:24,228 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_c6abca8d-e155-45e0-95e9-d3ca55ba6b9a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i[315653,315666] [2023-11-21 22:23:24,229 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_c6abca8d-e155-45e0-95e9-d3ca55ba6b9a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i[315798,315811] [2023-11-21 22:23:24,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:23:24,463 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:23:24,464 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:23:24,464 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:23:24,472 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:23:24,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:24 WrapperNode [2023-11-21 22:23:24,473 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:23:24,474 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:23:24,475 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:23:24,475 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:23:24,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:24" (1/1) ... [2023-11-21 22:23:24,629 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:24" (1/1) ... [2023-11-21 22:23:24,891 INFO L138 Inliner]: procedures = 390, calls = 1919, calls flagged for inlining = 177, calls inlined = 157, statements flattened = 5078 [2023-11-21 22:23:24,892 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:23:24,892 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:23:24,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:23:24,893 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:23:24,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:24" (1/1) ... [2023-11-21 22:23:24,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:24" (1/1) ... [2023-11-21 22:23:24,954 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:24" (1/1) ... [2023-11-21 22:23:25,684 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memcpy is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 22:23:25,684 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:24" (1/1) ... [2023-11-21 22:23:25,685 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:24" (1/1) ... [2023-11-21 22:23:25,810 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:24" (1/1) ... [2023-11-21 22:23:25,870 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:24" (1/1) ... [2023-11-21 22:23:25,895 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:24" (1/1) ... [2023-11-21 22:23:25,922 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:24" (1/1) ... [2023-11-21 22:23:25,978 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:23:25,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:23:25,980 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:23:25,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:23:25,981 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:24" (1/1) ... [2023-11-21 22:23:25,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:23:26,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6abca8d-e155-45e0-95e9-d3ca55ba6b9a/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:26,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6abca8d-e155-45e0-95e9-d3ca55ba6b9a/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:26,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6abca8d-e155-45e0-95e9-d3ca55ba6b9a/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:23:26,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 22:23:26,072 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 22:23:26,072 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-21 22:23:26,072 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-21 22:23:26,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_89 [2023-11-21 22:23:26,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_89 [2023-11-21 22:23:26,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:23:26,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:23:26,077 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-21 22:23:26,078 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-21 22:23:26,078 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2023-11-21 22:23:26,078 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2023-11-21 22:23:26,078 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_open [2023-11-21 22:23:26,079 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_open [2023-11-21 22:23:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_load_eeprom [2023-11-21 22:23:26,080 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_load_eeprom [2023-11-21 22:23:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-21 22:23:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 22:23:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_sense_lan [2023-11-21 22:23:26,080 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_sense_lan [2023-11-21 22:23:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-21 22:23:26,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-21 22:23:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-21 22:23:26,081 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-21 22:23:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-21 22:23:26,082 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-21 22:23:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 22:23:26,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 22:23:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-21 22:23:26,082 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-21 22:23:26,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:23:26,083 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-21 22:23:26,083 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-21 22:23:26,083 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2023-11-21 22:23:26,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2023-11-21 22:23:26,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_103 [2023-11-21 22:23:26,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_103 [2023-11-21 22:23:26,084 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-21 22:23:26,084 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-21 22:23:26,085 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_cascade_reset [2023-11-21 22:23:26,085 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_cascade_reset [2023-11-21 22:23:26,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 22:23:26,087 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-21 22:23:26,087 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-21 22:23:26,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 22:23:26,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-21 22:23:26,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-21 22:23:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:23:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-21 22:23:26,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-21 22:23:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 22:23:26,089 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 22:23:26,089 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_rx_bm [2023-11-21 22:23:26,089 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_rx_bm [2023-11-21 22:23:26,089 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_BM_shutdown [2023-11-21 22:23:26,090 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_BM_shutdown [2023-11-21 22:23:26,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-21 22:23:26,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-21 22:23:26,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-21 22:23:26,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-21 22:23:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-21 22:23:26,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-21 22:23:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure wait [2023-11-21 22:23:26,091 INFO L138 BoogieDeclarations]: Found implementation of procedure wait [2023-11-21 22:23:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-21 22:23:26,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-21 22:23:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_hwinit [2023-11-21 22:23:26,093 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_hwinit [2023-11-21 22:23:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-21 22:23:26,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-21 22:23:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_whatever [2023-11-21 22:23:26,093 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_whatever [2023-11-21 22:23:26,094 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_close [2023-11-21 22:23:26,094 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_close [2023-11-21 22:23:26,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:23:26,094 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_stop_interface [2023-11-21 22:23:26,094 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_stop_interface [2023-11-21 22:23:26,094 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_check_lan [2023-11-21 22:23:26,095 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_check_lan [2023-11-21 22:23:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-21 22:23:26,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-21 22:23:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:23:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 22:23:26,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 22:23:26,096 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-21 22:23:26,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-21 22:23:26,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:23:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-21 22:23:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:23:26,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:23:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-21 22:23:26,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-21 22:23:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-21 22:23:26,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-21 22:23:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-21 22:23:26,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-21 22:23:26,099 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-21 22:23:26,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-21 22:23:26,100 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_rxfill [2023-11-21 22:23:26,100 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_rxfill [2023-11-21 22:23:26,100 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 22:23:26,100 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 22:23:26,100 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-21 22:23:26,101 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-21 22:23:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-21 22:23:26,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-21 22:23:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:23:26,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:23:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_update_stats [2023-11-21 22:23:26,102 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_update_stats [2023-11-21 22:23:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 22:23:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:23:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:23:26,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:23:26,103 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-21 22:23:26,103 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-21 22:23:26,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:23:26,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:23:26,104 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-21 22:23:26,104 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-21 22:23:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:23:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:23:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:23:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:23:26,106 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:23:26,107 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-21 22:23:26,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-21 22:23:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-21 22:23:26,112 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-21 22:23:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-21 22:23:26,113 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-21 22:23:26,114 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-21 22:23:26,114 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-21 22:23:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-21 22:23:26,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-21 22:23:26,116 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-21 22:23:26,122 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-21 22:23:26,122 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_pci_remove [2023-11-21 22:23:26,123 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_pci_remove [2023-11-21 22:23:26,123 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_build_rx_pdl [2023-11-21 22:23:26,124 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_build_rx_pdl [2023-11-21 22:23:26,124 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-21 22:23:26,124 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-21 22:23:26,124 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-21 22:23:26,125 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-21 22:23:26,125 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-21 22:23:26,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-21 22:23:26,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_hp100_private [2023-11-21 22:23:26,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_hp100_private [2023-11-21 22:23:26,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:23:26,126 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-11-21 22:23:26,126 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-11-21 22:23:26,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:23:26,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:23:26,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_hp100_private [2023-11-21 22:23:26,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_hp100_private [2023-11-21 22:23:26,127 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2023-11-21 22:23:26,127 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2023-11-21 22:23:26,129 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-21 22:23:26,129 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-21 22:23:26,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-21 22:23:26,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-21 22:23:26,130 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_set_multicast_list [2023-11-21 22:23:26,130 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_set_multicast_list [2023-11-21 22:23:26,131 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_start_interface [2023-11-21 22:23:26,131 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_start_interface [2023-11-21 22:23:26,131 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-21 22:23:26,131 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-21 22:23:26,131 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_clean_txring [2023-11-21 22:23:26,132 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_clean_txring [2023-11-21 22:23:26,132 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-21 22:23:26,132 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-21 22:23:26,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:23:26,132 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-21 22:23:26,132 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-21 22:23:26,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-21 22:23:26,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-21 22:23:26,133 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_login_to_vg_hub [2023-11-21 22:23:26,133 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_login_to_vg_hub [2023-11-21 22:23:26,133 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-11-21 22:23:26,133 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-11-21 22:23:26,879 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:23:26,887 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:23:27,239 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:23:30,832 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-21 22:23:30,833 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:23:31,229 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint L8564: assume 2096896 == ~tmp___4~7#1 % 18446744073709551616;#t~nondet748#1 := ~tmp___4~7#1; [2023-11-21 22:23:31,229 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint L8564: assume !(2096896 == ~tmp___4~7#1 % 18446744073709551616);assume #t~nondet748#1 % 18446744073709551616 <= ~tmp___4~7#1 % 18446744073709551616;assume #t~nondet748#1 % 18446744073709551616 <= 2096896; [2023-11-21 22:23:31,230 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint L8564-2: assume 0 == #t~nondet748#1 % 18446744073709551616;havoc #t~nondet748#1; [2023-11-21 22:23:31,230 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint L8564-2: assume !(0 == #t~nondet748#1 % 18446744073709551616);havoc #t~nondet748#1; [2023-11-21 22:23:31,230 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint L8564-4: assume (if (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 else (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 - 18446744073709551616) < 0; [2023-11-21 22:23:31,230 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint L8564-4: assume !((if (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 else (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 - 18446744073709551616) < 0); [2023-11-21 22:23:31,230 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint L8566-1: assume -9223372036854775808 <= #t~ret749#1 && #t~ret749#1 <= 9223372036854775807;havoc #t~ret749#1; [2023-11-21 22:23:31,231 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint L8566: SUMMARY for call #t~ret749#1 := schedule_timeout_interruptible(1); srcloc: null [2023-11-21 22:23:31,231 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !(0 == ~tmp___4~7#1 % 18446744073709551616); [2023-11-21 22:23:31,231 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume 0 == ~tmp___4~7#1 % 18446744073709551616;#t~nondet748#1 := 0; [2023-11-21 22:23:31,374 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:23:35,464 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:23:35,465 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 22:23:35,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:23:35 BoogieIcfgContainer [2023-11-21 22:23:35,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:23:35,470 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:23:35,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:23:35,474 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:23:35,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:23:20" (1/3) ... [2023-11-21 22:23:35,475 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c8da992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:23:35, skipping insertion in model container [2023-11-21 22:23:35,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:24" (2/3) ... [2023-11-21 22:23:35,475 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c8da992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:23:35, skipping insertion in model container [2023-11-21 22:23:35,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:23:35" (3/3) ... [2023-11-21 22:23:35,477 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i [2023-11-21 22:23:35,497 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:23:35,497 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:23:35,580 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:23:35,586 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=PETRI_NET, 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;@613cd0f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:23:35,587 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:23:35,598 INFO L276 IsEmpty]: Start isEmpty. Operand has 1541 states, 849 states have (on average 1.3003533568904593) internal successors, (1104), 889 states have internal predecessors, (1104), 612 states have call successors, (612), 81 states have call predecessors, (612), 80 states have return successors, (607), 594 states have call predecessors, (607), 607 states have call successors, (607) [2023-11-21 22:23:35,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-21 22:23:35,628 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:23:35,629 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 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] [2023-11-21 22:23:35,629 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:23:35,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:35,634 INFO L85 PathProgramCache]: Analyzing trace with hash -604954221, now seen corresponding path program 1 times [2023-11-21 22:23:35,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:35,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833465506] [2023-11-21 22:23:35,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:35,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:36,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:23:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:36,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:23:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:36,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:23:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:36,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:23:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:36,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:23:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:36,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:23:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:36,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:23:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:36,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:23:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:36,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:23:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:36,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-21 22:23:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:36,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-21 22:23:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:36,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-21 22:23:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:36,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-21 22:23:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:36,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-21 22:23:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:36,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-21 22:23:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:36,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-21 22:23:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:36,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-21 22:23:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:36,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-21 22:23:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:36,872 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-11-21 22:23:36,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:36,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833465506] [2023-11-21 22:23:36,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833465506] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:36,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:36,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:23:36,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997809653] [2023-11-21 22:23:36,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:36,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 22:23:36,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:36,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 22:23:36,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:23:36,933 INFO L87 Difference]: Start difference. First operand has 1541 states, 849 states have (on average 1.3003533568904593) internal successors, (1104), 889 states have internal predecessors, (1104), 612 states have call successors, (612), 81 states have call predecessors, (612), 80 states have return successors, (607), 594 states have call predecessors, (607), 607 states have call successors, (607) Second operand has 5 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 4 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2023-11-21 22:23:47,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:23:47,378 INFO L93 Difference]: Finished difference Result 4528 states and 6916 transitions. [2023-11-21 22:23:47,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 22:23:47,388 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 4 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 103 [2023-11-21 22:23:47,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:23:47,448 INFO L225 Difference]: With dead ends: 4528 [2023-11-21 22:23:47,449 INFO L226 Difference]: Without dead ends: 2942 [2023-11-21 22:23:47,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-21 22:23:47,475 INFO L413 NwaCegarLoop]: 946 mSDtfsCounter, 3234 mSDsluCounter, 1478 mSDsCounter, 0 mSdLazyCounter, 4195 mSolverCounterSat, 3969 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3472 SdHoareTripleChecker+Valid, 2424 SdHoareTripleChecker+Invalid, 8164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3969 IncrementalHoareTripleChecker+Valid, 4195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2023-11-21 22:23:47,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3472 Valid, 2424 Invalid, 8164 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3969 Valid, 4195 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2023-11-21 22:23:47,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2023-11-21 22:23:47,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2830. [2023-11-21 22:23:47,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2830 states, 1564 states have (on average 1.292838874680307) internal successors, (2022), 1638 states have internal predecessors, (2022), 1114 states have call successors, (1114), 150 states have call predecessors, (1114), 151 states have return successors, (1126), 1085 states have call predecessors, (1126), 1114 states have call successors, (1126) [2023-11-21 22:23:48,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 2830 states and 4262 transitions. [2023-11-21 22:23:48,043 INFO L78 Accepts]: Start accepts. Automaton has 2830 states and 4262 transitions. Word has length 103 [2023-11-21 22:23:48,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:23:48,046 INFO L495 AbstractCegarLoop]: Abstraction has 2830 states and 4262 transitions. [2023-11-21 22:23:48,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 4 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2023-11-21 22:23:48,047 INFO L276 IsEmpty]: Start isEmpty. Operand 2830 states and 4262 transitions. [2023-11-21 22:23:48,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-21 22:23:48,074 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:23:48,074 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:48,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:23:48,075 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:23:48,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:48,077 INFO L85 PathProgramCache]: Analyzing trace with hash -350841867, now seen corresponding path program 1 times [2023-11-21 22:23:48,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:48,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358032776] [2023-11-21 22:23:48,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:48,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:23:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:23:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:23:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:23:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:23:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:23:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:23:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:23:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:23:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-21 22:23:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-21 22:23:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:23:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:23:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 22:23:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-21 22:23:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 22:23:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-21 22:23:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-21 22:23:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-21 22:23:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-21 22:23:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-21 22:23:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-21 22:23:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-21 22:23:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-21 22:23:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-21 22:23:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-21 22:23:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,757 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-21 22:23:48,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:48,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358032776] [2023-11-21 22:23:48,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358032776] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:48,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:48,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 22:23:48,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802328353] [2023-11-21 22:23:48,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:48,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:23:48,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:48,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:23:48,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:23:48,762 INFO L87 Difference]: Start difference. First operand 2830 states and 4262 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 4 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2023-11-21 22:24:01,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:24:01,166 INFO L93 Difference]: Finished difference Result 7638 states and 11526 transitions. [2023-11-21 22:24:01,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-21 22:24:01,167 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 4 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 157 [2023-11-21 22:24:01,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:24:01,224 INFO L225 Difference]: With dead ends: 7638 [2023-11-21 22:24:01,225 INFO L226 Difference]: Without dead ends: 4817 [2023-11-21 22:24:01,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2023-11-21 22:24:01,251 INFO L413 NwaCegarLoop]: 936 mSDtfsCounter, 3108 mSDsluCounter, 1423 mSDsCounter, 0 mSdLazyCounter, 4306 mSolverCounterSat, 2937 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3557 SdHoareTripleChecker+Valid, 2359 SdHoareTripleChecker+Invalid, 7243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2937 IncrementalHoareTripleChecker+Valid, 4306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2023-11-21 22:24:01,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3557 Valid, 2359 Invalid, 7243 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2937 Valid, 4306 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2023-11-21 22:24:01,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4817 states.