./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_46832bde-4bea-46a5-a277-dcc9c4fb1b5d/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46832bde-4bea-46a5-a277-dcc9c4fb1b5d/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46832bde-4bea-46a5-a277-dcc9c4fb1b5d/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46832bde-4bea-46a5-a277-dcc9c4fb1b5d/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46832bde-4bea-46a5-a277-dcc9c4fb1b5d/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46832bde-4bea-46a5-a277-dcc9c4fb1b5d/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:52:22,016 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:52:22,094 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46832bde-4bea-46a5-a277-dcc9c4fb1b5d/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:52:22,101 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:52:22,101 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:52:22,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:52:22,130 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:52:22,130 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:52:22,131 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:52:22,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:52:22,133 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:52:22,134 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:52:22,134 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:52:22,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:52:22,136 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:52:22,136 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:52:22,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:52:22,137 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:52:22,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:52:22,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:52:22,139 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:52:22,140 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:52:22,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:52:22,141 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:52:22,142 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:52:22,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:52:22,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:52:22,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:52:22,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:52:22,145 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:52:22,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:52:22,146 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:52:22,146 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:52:22,147 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:52:22,147 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:52:22,147 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:52:22,148 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_46832bde-4bea-46a5-a277-dcc9c4fb1b5d/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46832bde-4bea-46a5-a277-dcc9c4fb1b5d/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2023-11-06 22:52:22,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:52:22,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:52:22,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:52:22,502 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:52:22,503 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:52:22,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46832bde-4bea-46a5-a277-dcc9c4fb1b5d/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2023-11-06 22:52:25,647 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:52:26,483 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:52:26,484 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46832bde-4bea-46a5-a277-dcc9c4fb1b5d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2023-11-06 22:52:26,560 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46832bde-4bea-46a5-a277-dcc9c4fb1b5d/bin/uautomizer-verify-WvqO1wxjHP/data/32db26c1f/3f04bbdaaa364e90aa4737f0acebd5a4/FLAG869472e75 [2023-11-06 22:52:26,581 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46832bde-4bea-46a5-a277-dcc9c4fb1b5d/bin/uautomizer-verify-WvqO1wxjHP/data/32db26c1f/3f04bbdaaa364e90aa4737f0acebd5a4 [2023-11-06 22:52:26,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:52:26,592 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:52:26,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:52:26,595 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:52:26,601 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:52:26,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:52:26" (1/1) ... [2023-11-06 22:52:26,603 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2704b1f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:26, skipping insertion in model container [2023-11-06 22:52:26,603 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:52:26" (1/1) ... [2023-11-06 22:52:26,901 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:52:31,939 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_46832bde-4bea-46a5-a277-dcc9c4fb1b5d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2023-11-06 22:52:31,945 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_46832bde-4bea-46a5-a277-dcc9c4fb1b5d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2023-11-06 22:52:31,945 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_46832bde-4bea-46a5-a277-dcc9c4fb1b5d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2023-11-06 22:52:31,946 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_46832bde-4bea-46a5-a277-dcc9c4fb1b5d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2023-11-06 22:52:31,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:52:32,063 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:52:32,201 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"); [5373] [2023-11-06 22:52:32,203 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)); [5380] [2023-11-06 22:52:32,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5387] [2023-11-06 22:52:32,205 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/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5442-5443] [2023-11-06 22:52:32,206 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"); [5448-5450] [2023-11-06 22:52:32,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5558] [2023-11-06 22:52:32,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5566] [2023-11-06 22:52:32,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5573] [2023-11-06 22:52:32,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5581] [2023-11-06 22:52:32,218 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)); [5732-5733] [2023-11-06 22:52:32,220 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)); [5766-5767] [2023-11-06 22:52:32,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6794] [2023-11-06 22:52:32,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7068] [2023-11-06 22:52:32,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7494] [2023-11-06 22:52:32,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7502] [2023-11-06 22:52:32,389 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7899] [2023-11-06 22:52:32,390 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7901] [2023-11-06 22:52:32,532 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10963] [2023-11-06 22:52:32,866 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_46832bde-4bea-46a5-a277-dcc9c4fb1b5d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2023-11-06 22:52:32,867 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_46832bde-4bea-46a5-a277-dcc9c4fb1b5d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2023-11-06 22:52:32,867 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_46832bde-4bea-46a5-a277-dcc9c4fb1b5d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2023-11-06 22:52:32,868 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_46832bde-4bea-46a5-a277-dcc9c4fb1b5d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2023-11-06 22:52:32,876 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:52:33,133 WARN L672 CHandler]: The function strstr is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:52:33,134 WARN L672 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:52:33,134 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:52:33,142 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:52:33,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:33 WrapperNode [2023-11-06 22:52:33,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:52:33,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:52:33,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:52:33,145 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:52:33,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:33" (1/1) ... [2023-11-06 22:52:33,331 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:33" (1/1) ... [2023-11-06 22:52:33,843 INFO L138 Inliner]: procedures = 544, calls = 4299, calls flagged for inlining = 248, calls inlined = 231, statements flattened = 10444 [2023-11-06 22:52:33,844 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:52:33,845 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:52:33,845 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:52:33,845 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:52:33,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:33" (1/1) ... [2023-11-06 22:52:33,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:33" (1/1) ... [2023-11-06 22:52:33,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:33" (1/1) ... [2023-11-06 22:52:33,947 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:33" (1/1) ... [2023-11-06 22:52:34,289 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:33" (1/1) ... [2023-11-06 22:52:34,348 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:33" (1/1) ... [2023-11-06 22:52:34,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:33" (1/1) ... [2023-11-06 22:52:34,421 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:33" (1/1) ... [2023-11-06 22:52:34,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:52:34,497 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:52:34,498 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:52:34,498 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:52:34,499 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:33" (1/1) ... [2023-11-06 22:52:34,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:52:34,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46832bde-4bea-46a5-a277-dcc9c4fb1b5d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:52:34,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46832bde-4bea-46a5-a277-dcc9c4fb1b5d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:52:34,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46832bde-4bea-46a5-a277-dcc9c4fb1b5d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:52:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2023-11-06 22:52:34,589 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2023-11-06 22:52:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-06 22:52:34,589 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-06 22:52:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-06 22:52:34,589 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-06 22:52:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 22:52:34,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 22:52:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2023-11-06 22:52:34,590 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2023-11-06 22:52:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2023-11-06 22:52:34,590 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2023-11-06 22:52:34,590 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2023-11-06 22:52:34,591 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2023-11-06 22:52:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2023-11-06 22:52:34,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2023-11-06 22:52:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-06 22:52:34,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-06 22:52:34,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2023-11-06 22:52:34,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2023-11-06 22:52:34,592 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2023-11-06 22:52:34,592 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2023-11-06 22:52:34,592 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2023-11-06 22:52:34,592 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2023-11-06 22:52:34,592 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-06 22:52:34,592 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-06 22:52:34,593 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2023-11-06 22:52:34,593 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2023-11-06 22:52:34,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2023-11-06 22:52:34,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2023-11-06 22:52:34,593 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-06 22:52:34,593 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-06 22:52:34,594 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2023-11-06 22:52:34,594 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2023-11-06 22:52:34,594 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2023-11-06 22:52:34,594 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2023-11-06 22:52:34,594 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2023-11-06 22:52:34,594 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2023-11-06 22:52:34,594 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-06 22:52:34,595 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2023-11-06 22:52:34,595 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2023-11-06 22:52:34,595 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2023-11-06 22:52:34,595 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2023-11-06 22:52:34,595 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-06 22:52:34,595 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-06 22:52:34,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-06 22:52:34,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-06 22:52:34,596 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2023-11-06 22:52:34,596 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2023-11-06 22:52:34,596 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2023-11-06 22:52:34,596 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2023-11-06 22:52:34,596 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-06 22:52:34,597 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-06 22:52:34,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-06 22:52:34,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-06 22:52:34,597 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2023-11-06 22:52:34,597 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2023-11-06 22:52:34,597 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2023-11-06 22:52:34,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:52:34,598 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-06 22:52:34,598 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-06 22:52:34,598 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-06 22:52:34,598 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-06 22:52:34,598 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-06 22:52:34,598 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-06 22:52:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2023-11-06 22:52:34,599 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2023-11-06 22:52:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-06 22:52:34,599 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-06 22:52:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 22:52:34,599 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-06 22:52:34,599 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-06 22:52:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2023-11-06 22:52:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2023-11-06 22:52:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2023-11-06 22:52:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2023-11-06 22:52:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-06 22:52:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-06 22:52:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-06 22:52:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-06 22:52:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-06 22:52:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-06 22:52:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 22:52:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-06 22:52:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-06 22:52:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:52:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-06 22:52:34,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-06 22:52:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-06 22:52:34,602 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-06 22:52:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-06 22:52:34,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-06 22:52:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-06 22:52:34,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-06 22:52:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2023-11-06 22:52:34,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2023-11-06 22:52:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-06 22:52:34,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-06 22:52:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2023-11-06 22:52:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2023-11-06 22:52:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-06 22:52:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-06 22:52:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-06 22:52:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-06 22:52:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2023-11-06 22:52:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2023-11-06 22:52:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-06 22:52:34,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-06 22:52:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2023-11-06 22:52:34,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2023-11-06 22:52:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2023-11-06 22:52:34,605 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2023-11-06 22:52:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:52:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-06 22:52:34,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-06 22:52:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-06 22:52:34,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-06 22:52:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2023-11-06 22:52:34,606 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2023-11-06 22:52:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:52:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2023-11-06 22:52:34,607 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2023-11-06 22:52:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-06 22:52:34,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-06 22:52:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-06 22:52:34,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-06 22:52:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:52:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 22:52:34,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 22:52:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2023-11-06 22:52:34,608 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2023-11-06 22:52:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-06 22:52:34,608 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-06 22:52:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-06 22:52:34,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-06 22:52:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2023-11-06 22:52:34,609 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2023-11-06 22:52:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2023-11-06 22:52:34,609 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2023-11-06 22:52:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2023-11-06 22:52:34,610 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2023-11-06 22:52:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-06 22:52:34,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-06 22:52:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2023-11-06 22:52:34,610 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2023-11-06 22:52:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-06 22:52:34,611 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-06 22:52:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2023-11-06 22:52:34,611 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2023-11-06 22:52:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-06 22:52:34,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-06 22:52:34,611 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-06 22:52:34,611 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-06 22:52:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2023-11-06 22:52:34,612 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2023-11-06 22:52:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2023-11-06 22:52:34,612 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2023-11-06 22:52:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:52:34,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:52:34,612 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2023-11-06 22:52:34,613 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2023-11-06 22:52:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-06 22:52:34,613 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-06 22:52:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2023-11-06 22:52:34,613 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2023-11-06 22:52:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 22:52:34,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 22:52:34,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 22:52:34,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 22:52:34,614 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2023-11-06 22:52:34,614 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2023-11-06 22:52:34,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-06 22:52:34,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-06 22:52:34,614 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-06 22:52:34,615 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-06 22:52:34,615 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2023-11-06 22:52:34,615 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2023-11-06 22:52:34,615 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2023-11-06 22:52:34,615 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2023-11-06 22:52:34,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-06 22:52:34,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-06 22:52:34,615 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2023-11-06 22:52:34,616 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2023-11-06 22:52:34,616 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2023-11-06 22:52:34,616 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2023-11-06 22:52:34,616 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2023-11-06 22:52:34,616 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2023-11-06 22:52:34,616 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2023-11-06 22:52:34,616 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2023-11-06 22:52:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2023-11-06 22:52:34,617 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2023-11-06 22:52:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 22:52:34,617 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 22:52:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2023-11-06 22:52:34,617 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2023-11-06 22:52:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-06 22:52:34,617 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-06 22:52:34,618 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2023-11-06 22:52:34,618 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2023-11-06 22:52:34,618 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2023-11-06 22:52:34,618 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2023-11-06 22:52:34,618 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2023-11-06 22:52:34,618 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2023-11-06 22:52:34,618 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2023-11-06 22:52:34,619 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2023-11-06 22:52:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-06 22:52:34,619 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-06 22:52:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2023-11-06 22:52:34,619 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2023-11-06 22:52:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:52:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2023-11-06 22:52:34,620 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2023-11-06 22:52:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2023-11-06 22:52:34,620 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2023-11-06 22:52:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2023-11-06 22:52:34,620 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2023-11-06 22:52:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2023-11-06 22:52:34,620 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2023-11-06 22:52:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:52:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2023-11-06 22:52:34,621 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2023-11-06 22:52:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2023-11-06 22:52:34,621 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2023-11-06 22:52:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2023-11-06 22:52:34,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2023-11-06 22:52:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:52:34,622 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-06 22:52:34,622 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-06 22:52:34,622 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2023-11-06 22:52:34,622 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2023-11-06 22:52:34,622 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 22:52:34,622 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 22:52:34,622 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-06 22:52:34,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-06 22:52:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-06 22:52:34,623 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-06 22:52:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2023-11-06 22:52:34,623 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2023-11-06 22:52:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2023-11-06 22:52:34,623 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2023-11-06 22:52:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-06 22:52:34,624 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-06 22:52:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-06 22:52:34,624 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-06 22:52:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-06 22:52:34,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-06 22:52:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2023-11-06 22:52:34,624 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2023-11-06 22:52:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-06 22:52:34,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-06 22:52:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-06 22:52:34,625 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-06 22:52:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2023-11-06 22:52:34,625 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2023-11-06 22:52:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2023-11-06 22:52:34,625 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2023-11-06 22:52:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2023-11-06 22:52:34,626 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2023-11-06 22:52:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2023-11-06 22:52:34,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2023-11-06 22:52:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-06 22:52:34,626 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-06 22:52:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-06 22:52:34,627 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-06 22:52:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-06 22:52:34,627 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-06 22:52:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2023-11-06 22:52:34,627 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2023-11-06 22:52:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-06 22:52:34,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-06 22:52:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_73 [2023-11-06 22:52:34,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_73 [2023-11-06 22:52:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2023-11-06 22:52:34,628 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2023-11-06 22:52:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:52:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2023-11-06 22:52:34,628 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2023-11-06 22:52:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 22:52:34,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 22:52:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2023-11-06 22:52:34,629 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2023-11-06 22:52:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-06 22:52:34,629 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-06 22:52:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2023-11-06 22:52:34,629 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2023-11-06 22:52:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-06 22:52:34,629 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-06 22:52:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2023-11-06 22:52:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2023-11-06 22:52:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2023-11-06 22:52:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2023-11-06 22:52:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2023-11-06 22:52:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2023-11-06 22:52:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2023-11-06 22:52:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2023-11-06 22:52:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-06 22:52:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-06 22:52:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2023-11-06 22:52:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2023-11-06 22:52:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2023-11-06 22:52:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2023-11-06 22:52:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2023-11-06 22:52:34,632 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2023-11-06 22:52:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2023-11-06 22:52:34,632 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2023-11-06 22:52:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2023-11-06 22:52:34,632 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2023-11-06 22:52:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2023-11-06 22:52:34,632 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2023-11-06 22:52:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-06 22:52:34,633 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-06 22:52:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2023-11-06 22:52:34,633 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2023-11-06 22:52:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2023-11-06 22:52:34,633 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2023-11-06 22:52:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-06 22:52:34,633 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-06 22:52:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2023-11-06 22:52:34,634 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2023-11-06 22:52:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2023-11-06 22:52:34,634 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2023-11-06 22:52:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2023-11-06 22:52:34,634 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2023-11-06 22:52:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:52:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-06 22:52:34,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-06 22:52:34,635 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-06 22:52:36,118 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:52:36,123 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:52:36,596 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 22:52:59,129 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-06 22:52:59,582 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:52:59,626 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:52:59,627 INFO L302 CfgBuilder]: Removed 17 assume(true) statements. [2023-11-06 22:52:59,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:52:59 BoogieIcfgContainer [2023-11-06 22:52:59,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:52:59,640 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:52:59,641 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:52:59,644 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:52:59,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:52:26" (1/3) ... [2023-11-06 22:52:59,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4866370c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:52:59, skipping insertion in model container [2023-11-06 22:52:59,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:33" (2/3) ... [2023-11-06 22:52:59,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4866370c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:52:59, skipping insertion in model container [2023-11-06 22:52:59,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:52:59" (3/3) ... [2023-11-06 22:52:59,650 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2023-11-06 22:52:59,671 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:52:59,671 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-06 22:52:59,864 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:52:59,874 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=LoopsAndPotentialCycles, 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;@d71c2ee, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:52:59,875 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-06 22:52:59,899 INFO L276 IsEmpty]: Start isEmpty. Operand has 4946 states, 3738 states have (on average 1.4579989299090423) internal successors, (5450), 3800 states have internal predecessors, (5450), 1068 states have call successors, (1068), 154 states have call predecessors, (1068), 153 states have return successors, (1061), 1047 states have call predecessors, (1061), 1061 states have call successors, (1061) [2023-11-06 22:52:59,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-06 22:52:59,943 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:59,944 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:52:59,945 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:52:59,952 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:59,952 INFO L85 PathProgramCache]: Analyzing trace with hash 969573245, now seen corresponding path program 1 times [2023-11-06 22:52:59,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:59,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894281047] [2023-11-06 22:52:59,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:59,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:53:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:53:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:53:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:53:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:53:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:53:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:01,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:53:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:53:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:53:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-06 22:53:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 22:53:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-06 22:53:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-06 22:53:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 22:53:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-06 22:53:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-06 22:53:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-06 22:53:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:01,965 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-06 22:53:01,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:01,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894281047] [2023-11-06 22:53:01,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894281047] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:01,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:01,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:53:01,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554933004] [2023-11-06 22:53:01,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:01,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:53:01,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:02,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:53:02,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:53:02,033 INFO L87 Difference]: Start difference. First operand has 4946 states, 3738 states have (on average 1.4579989299090423) internal successors, (5450), 3800 states have internal predecessors, (5450), 1068 states have call successors, (1068), 154 states have call predecessors, (1068), 153 states have return successors, (1061), 1047 states have call predecessors, (1061), 1061 states have call successors, (1061) Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-06 22:53:03,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:53:05,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:53:26,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:26,343 INFO L93 Difference]: Finished difference Result 14945 states and 23521 transitions. [2023-11-06 22:53:26,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:53:26,345 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 189 [2023-11-06 22:53:26,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:26,458 INFO L225 Difference]: With dead ends: 14945 [2023-11-06 22:53:26,459 INFO L226 Difference]: Without dead ends: 10020 [2023-11-06 22:53:26,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:53:26,540 INFO L413 NwaCegarLoop]: 3867 mSDtfsCounter, 13672 mSDsluCounter, 5299 mSDsCounter, 0 mSdLazyCounter, 7983 mSolverCounterSat, 3722 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14615 SdHoareTripleChecker+Valid, 9166 SdHoareTripleChecker+Invalid, 11706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3722 IncrementalHoareTripleChecker+Valid, 7983 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:26,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14615 Valid, 9166 Invalid, 11706 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3722 Valid, 7983 Invalid, 1 Unknown, 0 Unchecked, 23.0s Time] [2023-11-06 22:53:26,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10020 states. [2023-11-06 22:53:27,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10020 to 9668. [2023-11-06 22:53:27,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9668 states, 7313 states have (on average 1.4490633119102967) internal successors, (10597), 7405 states have internal predecessors, (10597), 2049 states have call successors, (2049), 304 states have call predecessors, (2049), 303 states have return successors, (2046), 2018 states have call predecessors, (2046), 2046 states have call successors, (2046) [2023-11-06 22:53:27,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9668 states to 9668 states and 14692 transitions. [2023-11-06 22:53:27,356 INFO L78 Accepts]: Start accepts. Automaton has 9668 states and 14692 transitions. Word has length 189 [2023-11-06 22:53:27,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:27,358 INFO L495 AbstractCegarLoop]: Abstraction has 9668 states and 14692 transitions. [2023-11-06 22:53:27,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-06 22:53:27,359 INFO L276 IsEmpty]: Start isEmpty. Operand 9668 states and 14692 transitions. [2023-11-06 22:53:27,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-06 22:53:27,365 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:27,366 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:27,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:53:27,367 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:53:27,367 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:27,367 INFO L85 PathProgramCache]: Analyzing trace with hash -325036718, now seen corresponding path program 1 times [2023-11-06 22:53:27,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:27,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492675693] [2023-11-06 22:53:27,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:27,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:53:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:53:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:53:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:53:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:53:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:53:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:53:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:53:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:53:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-06 22:53:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 22:53:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-06 22:53:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-06 22:53:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 22:53:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-06 22:53:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-06 22:53:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-06 22:53:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-06 22:53:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:28,632 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-06 22:53:28,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:28,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492675693] [2023-11-06 22:53:28,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492675693] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:28,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:28,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:53:28,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423543557] [2023-11-06 22:53:28,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:28,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:53:28,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:28,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:53:28,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:53:28,636 INFO L87 Difference]: Start difference. First operand 9668 states and 14692 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-06 22:53:30,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:53:32,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:53:51,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:51,908 INFO L93 Difference]: Finished difference Result 28986 states and 44479 transitions. [2023-11-06 22:53:51,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:53:51,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 195 [2023-11-06 22:53:51,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:52,101 INFO L225 Difference]: With dead ends: 28986 [2023-11-06 22:53:52,102 INFO L226 Difference]: Without dead ends: 19353 [2023-11-06 22:53:52,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:53:52,168 INFO L413 NwaCegarLoop]: 3970 mSDtfsCounter, 13301 mSDsluCounter, 5542 mSDsCounter, 0 mSdLazyCounter, 7944 mSolverCounterSat, 3781 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14186 SdHoareTripleChecker+Valid, 9512 SdHoareTripleChecker+Invalid, 11727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3781 IncrementalHoareTripleChecker+Valid, 7944 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:52,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14186 Valid, 9512 Invalid, 11727 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3781 Valid, 7944 Invalid, 2 Unknown, 0 Unchecked, 22.1s Time] [2023-11-06 22:53:52,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19353 states. [2023-11-06 22:53:53,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19353 to 18927. [2023-11-06 22:53:53,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18927 states, 14311 states have (on average 1.4405701907623507) internal successors, (20616), 14405 states have internal predecessors, (20616), 3972 states have call successors, (3972), 604 states have call predecessors, (3972), 641 states have return successors, (4449), 4037 states have call predecessors, (4449), 3969 states have call successors, (4449) [2023-11-06 22:53:53,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18927 states to 18927 states and 29037 transitions. [2023-11-06 22:53:53,684 INFO L78 Accepts]: Start accepts. Automaton has 18927 states and 29037 transitions. Word has length 195 [2023-11-06 22:53:53,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:53,685 INFO L495 AbstractCegarLoop]: Abstraction has 18927 states and 29037 transitions. [2023-11-06 22:53:53,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-06 22:53:53,686 INFO L276 IsEmpty]: Start isEmpty. Operand 18927 states and 29037 transitions. [2023-11-06 22:53:53,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-11-06 22:53:53,692 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:53,693 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:53,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:53:53,693 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:53:53,694 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:53,694 INFO L85 PathProgramCache]: Analyzing trace with hash 2030967060, now seen corresponding path program 1 times [2023-11-06 22:53:53,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:53,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189935258] [2023-11-06 22:53:53,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:53,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:53:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:53:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:53:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:53:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:53:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:53:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:53:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:53:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:53:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-06 22:53:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 22:53:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-06 22:53:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-06 22:53:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 22:53:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-06 22:53:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:53:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-06 22:53:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-06 22:53:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:54,663 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-06 22:53:54,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:54,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189935258] [2023-11-06 22:53:54,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189935258] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:54,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:54,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:53:54,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213264929] [2023-11-06 22:53:54,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:54,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:53:54,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:54,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:53:54,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:53:54,667 INFO L87 Difference]: Start difference. First operand 18927 states and 29037 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-06 22:53:56,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:53:58,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:54:16,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:16,138 INFO L93 Difference]: Finished difference Result 57317 states and 88250 transitions. [2023-11-06 22:54:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:54:16,139 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 206 [2023-11-06 22:54:16,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:16,388 INFO L225 Difference]: With dead ends: 57317 [2023-11-06 22:54:16,389 INFO L226 Difference]: Without dead ends: 38425 [2023-11-06 22:54:16,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:54:16,514 INFO L413 NwaCegarLoop]: 3852 mSDtfsCounter, 13622 mSDsluCounter, 5285 mSDsCounter, 0 mSdLazyCounter, 7989 mSolverCounterSat, 3774 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14556 SdHoareTripleChecker+Valid, 9137 SdHoareTripleChecker+Invalid, 11764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3774 IncrementalHoareTripleChecker+Valid, 7989 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:16,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14556 Valid, 9137 Invalid, 11764 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3774 Valid, 7989 Invalid, 1 Unknown, 0 Unchecked, 19.7s Time] [2023-11-06 22:54:16,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38425 states. [2023-11-06 22:54:19,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38425 to 37901. [2023-11-06 22:54:19,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37901 states, 28691 states have (on average 1.4383604614687533) internal successors, (41268), 28783 states have internal predecessors, (41268), 7888 states have call successors, (7888), 1206 states have call predecessors, (7888), 1319 states have return successors, (9151), 8151 states have call predecessors, (9151), 7885 states have call successors, (9151) [2023-11-06 22:54:19,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37901 states to 37901 states and 58307 transitions. [2023-11-06 22:54:19,353 INFO L78 Accepts]: Start accepts. Automaton has 37901 states and 58307 transitions. Word has length 206 [2023-11-06 22:54:19,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:19,355 INFO L495 AbstractCegarLoop]: Abstraction has 37901 states and 58307 transitions. [2023-11-06 22:54:19,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-06 22:54:19,356 INFO L276 IsEmpty]: Start isEmpty. Operand 37901 states and 58307 transitions. [2023-11-06 22:54:19,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-11-06 22:54:19,364 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:19,364 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:54:19,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:54:19,365 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:54:19,365 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:19,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1872282079, now seen corresponding path program 1 times [2023-11-06 22:54:19,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:19,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440342071] [2023-11-06 22:54:19,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:19,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:54:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:54:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:54:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:54:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:54:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:54:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:54:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:54:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:54:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-06 22:54:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 22:54:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-06 22:54:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-06 22:54:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 22:54:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-06 22:54:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:21,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-06 22:54:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:21,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-06 22:54:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:21,038 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-06 22:54:21,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:21,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440342071] [2023-11-06 22:54:21,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440342071] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:21,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:21,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:54:21,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465973424] [2023-11-06 22:54:21,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:21,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:54:21,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:21,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:54:21,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:54:21,042 INFO L87 Difference]: Start difference. First operand 37901 states and 58307 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-06 22:54:23,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:54:25,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:54:44,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:44,806 INFO L93 Difference]: Finished difference Result 114257 states and 176104 transitions. [2023-11-06 22:54:44,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:54:44,806 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 207 [2023-11-06 22:54:44,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:45,691 INFO L225 Difference]: With dead ends: 114257 [2023-11-06 22:54:45,691 INFO L226 Difference]: Without dead ends: 76391 [2023-11-06 22:54:45,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:54:45,981 INFO L413 NwaCegarLoop]: 3846 mSDtfsCounter, 13625 mSDsluCounter, 5286 mSDsCounter, 0 mSdLazyCounter, 7986 mSolverCounterSat, 3776 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14561 SdHoareTripleChecker+Valid, 9132 SdHoareTripleChecker+Invalid, 11764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3776 IncrementalHoareTripleChecker+Valid, 7986 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:45,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14561 Valid, 9132 Invalid, 11764 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3776 Valid, 7986 Invalid, 2 Unknown, 0 Unchecked, 20.8s Time] [2023-11-06 22:54:46,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76391 states. [2023-11-06 22:54:50,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76391 to 75669. [2023-11-06 22:54:50,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75669 states, 57311 states have (on average 1.4374901851302542) internal successors, (82384), 57399 states have internal predecessors, (82384), 15680 states have call successors, (15680), 2410 states have call predecessors, (15680), 2675 states have return successors, (18517), 16339 states have call predecessors, (18517), 15677 states have call successors, (18517) [2023-11-06 22:54:51,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75669 states to 75669 states and 116581 transitions. [2023-11-06 22:54:51,637 INFO L78 Accepts]: Start accepts. Automaton has 75669 states and 116581 transitions. Word has length 207 [2023-11-06 22:54:51,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:51,638 INFO L495 AbstractCegarLoop]: Abstraction has 75669 states and 116581 transitions. [2023-11-06 22:54:51,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-06 22:54:51,638 INFO L276 IsEmpty]: Start isEmpty. Operand 75669 states and 116581 transitions. [2023-11-06 22:54:51,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-11-06 22:54:51,644 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:51,644 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:54:51,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:54:51,645 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:54:51,646 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:51,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1951250750, now seen corresponding path program 1 times [2023-11-06 22:54:51,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:51,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938184850] [2023-11-06 22:54:51,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:51,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:54:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:54:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:52,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:54:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:54:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:54:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:54:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:54:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:54:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:54:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-06 22:54:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 22:54:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-06 22:54:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-06 22:54:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 22:54:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-06 22:54:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:54:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-06 22:54:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-11-06 22:54:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,837 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-06 22:54:52,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:52,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938184850] [2023-11-06 22:54:52,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938184850] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:52,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:52,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:54:52,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41840747] [2023-11-06 22:54:52,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:52,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:54:52,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:52,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:54:52,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:54:52,844 INFO L87 Difference]: Start difference. First operand 75669 states and 116581 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-06 22:54:54,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:54:56,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:55:19,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:55:19,161 INFO L93 Difference]: Finished difference Result 227597 states and 351054 transitions. [2023-11-06 22:55:19,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:55:19,161 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 205 [2023-11-06 22:55:19,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:55:20,211 INFO L225 Difference]: With dead ends: 227597 [2023-11-06 22:55:20,211 INFO L226 Difference]: Without dead ends: 151963 [2023-11-06 22:55:20,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:55:20,553 INFO L413 NwaCegarLoop]: 3846 mSDtfsCounter, 13628 mSDsluCounter, 5282 mSDsCounter, 0 mSdLazyCounter, 7986 mSolverCounterSat, 3776 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14565 SdHoareTripleChecker+Valid, 9128 SdHoareTripleChecker+Invalid, 11764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3776 IncrementalHoareTripleChecker+Valid, 7986 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:55:20,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14565 Valid, 9128 Invalid, 11764 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3776 Valid, 7986 Invalid, 2 Unknown, 0 Unchecked, 20.3s Time] [2023-11-06 22:55:20,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151963 states. [2023-11-06 22:55:28,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151963 to 150845. [2023-11-06 22:55:28,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150845 states, 114271 states have (on average 1.4372850504502455) internal successors, (164240), 114351 states have internal predecessors, (164240), 31184 states have call successors, (31184), 4818 states have call predecessors, (31184), 5387 states have return successors, (37213), 32635 states have call predecessors, (37213), 31181 states have call successors, (37213) [2023-11-06 22:55:30,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150845 states to 150845 states and 232637 transitions. [2023-11-06 22:55:30,407 INFO L78 Accepts]: Start accepts. Automaton has 150845 states and 232637 transitions. Word has length 205 [2023-11-06 22:55:30,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:55:30,408 INFO L495 AbstractCegarLoop]: Abstraction has 150845 states and 232637 transitions. [2023-11-06 22:55:30,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-06 22:55:30,408 INFO L276 IsEmpty]: Start isEmpty. Operand 150845 states and 232637 transitions. [2023-11-06 22:55:30,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-11-06 22:55:30,414 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:55:30,414 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:55:30,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:55:30,415 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:55:30,415 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:55:30,416 INFO L85 PathProgramCache]: Analyzing trace with hash -398441257, now seen corresponding path program 1 times [2023-11-06 22:55:30,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:55:30,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717974095] [2023-11-06 22:55:30,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:55:30,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:55:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:55:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:55:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:55:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:55:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:55:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:55:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:55:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:55:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:55:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-06 22:55:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 22:55:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-06 22:55:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-06 22:55:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 22:55:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-06 22:55:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:55:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-06 22:55:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-11-06 22:55:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:55:31,739 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-06 22:55:31,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:55:31,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717974095] [2023-11-06 22:55:31,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717974095] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:55:31,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:55:31,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:55:31,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317179971] [2023-11-06 22:55:31,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:55:31,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:55:31,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:55:31,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:55:31,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:55:31,742 INFO L87 Difference]: Start difference. First operand 150845 states and 232637 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-06 22:55:33,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:55:35,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []