./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_409fb037-8455-464b-bf82-ce104aab9251/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409fb037-8455-464b-bf82-ce104aab9251/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409fb037-8455-464b-bf82-ce104aab9251/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409fb037-8455-464b-bf82-ce104aab9251/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409fb037-8455-464b-bf82-ce104aab9251/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409fb037-8455-464b-bf82-ce104aab9251/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 527ba95af45b5d863cb3ca1867267fd54ac6958329e64d7162c5caa88bde96c3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:54:18,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:54:18,166 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409fb037-8455-464b-bf82-ce104aab9251/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:54:18,177 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:54:18,178 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:54:18,223 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:54:18,226 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:54:18,227 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:54:18,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:54:18,235 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:54:18,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:54:18,237 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:54:18,237 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:54:18,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:54:18,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:54:18,240 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:54:18,241 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:54:18,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:54:18,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:54:18,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:54:18,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:54:18,243 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:54:18,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:54:18,244 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:54:18,245 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:54:18,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:54:18,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:54:18,246 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:54:18,246 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:54:18,247 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:54:18,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:54:18,248 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:54:18,249 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:54:18,249 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:54:18,249 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:54:18,249 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:54:18,250 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_409fb037-8455-464b-bf82-ce104aab9251/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409fb037-8455-464b-bf82-ce104aab9251/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 527ba95af45b5d863cb3ca1867267fd54ac6958329e64d7162c5caa88bde96c3 [2023-11-19 07:54:18,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:54:18,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:54:18,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:54:18,566 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:54:18,567 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:54:18,568 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409fb037-8455-464b-bf82-ce104aab9251/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2023-11-19 07:54:21,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:54:22,559 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:54:22,560 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409fb037-8455-464b-bf82-ce104aab9251/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2023-11-19 07:54:22,620 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409fb037-8455-464b-bf82-ce104aab9251/bin/uautomizer-verify-uCwYo4JHxu/data/bd00ff33c/c52e87f323274b93bfa64a4ef42149d2/FLAG657c91000 [2023-11-19 07:54:22,636 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409fb037-8455-464b-bf82-ce104aab9251/bin/uautomizer-verify-uCwYo4JHxu/data/bd00ff33c/c52e87f323274b93bfa64a4ef42149d2 [2023-11-19 07:54:22,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:54:22,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:54:22,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:54:22,642 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:54:22,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:54:22,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:22" (1/1) ... [2023-11-19 07:54:22,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4972257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:22, skipping insertion in model container [2023-11-19 07:54:22,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:22" (1/1) ... [2023-11-19 07:54:23,016 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:54:27,380 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_409fb037-8455-464b-bf82-ce104aab9251/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[470813,470826] [2023-11-19 07:54:27,386 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_409fb037-8455-464b-bf82-ce104aab9251/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[470982,470995] [2023-11-19 07:54:27,387 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_409fb037-8455-464b-bf82-ce104aab9251/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[471149,471162] [2023-11-19 07:54:27,393 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_409fb037-8455-464b-bf82-ce104aab9251/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[471317,471330] [2023-11-19 07:54:27,431 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:54:27,501 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:54:27,671 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"); [5396] [2023-11-19 07:54:27,673 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)); [5403] [2023-11-19 07:54:27,673 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5410] [2023-11-19 07:54:27,676 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/520b8de/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5465-5466] [2023-11-19 07:54:27,677 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"); [5471-5473] [2023-11-19 07:54:27,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5581] [2023-11-19 07:54:27,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5589] [2023-11-19 07:54:27,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5596] [2023-11-19 07:54:27,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5604] [2023-11-19 07:54:27,688 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)); [5755-5756] [2023-11-19 07:54:27,690 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)); [5789-5790] [2023-11-19 07:54:27,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6817] [2023-11-19 07:54:27,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7091] [2023-11-19 07:54:27,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7517] [2023-11-19 07:54:27,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7525] [2023-11-19 07:54:27,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7922] [2023-11-19 07:54:27,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7924] [2023-11-19 07:54:27,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10986] [2023-11-19 07:54:28,240 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_409fb037-8455-464b-bf82-ce104aab9251/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[470813,470826] [2023-11-19 07:54:28,241 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_409fb037-8455-464b-bf82-ce104aab9251/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[470982,470995] [2023-11-19 07:54:28,241 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_409fb037-8455-464b-bf82-ce104aab9251/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[471149,471162] [2023-11-19 07:54:28,242 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_409fb037-8455-464b-bf82-ce104aab9251/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[471317,471330] [2023-11-19 07:54:28,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:54:28,481 WARN L675 CHandler]: The function strstr is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:54:28,481 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:54:28,482 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:54:28,490 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:54:28,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:28 WrapperNode [2023-11-19 07:54:28,491 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:54:28,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:54:28,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:54:28,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:54:28,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:28" (1/1) ... [2023-11-19 07:54:28,698 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:28" (1/1) ... [2023-11-19 07:54:29,162 INFO L138 Inliner]: procedures = 526, calls = 4283, calls flagged for inlining = 232, calls inlined = 215, statements flattened = 10295 [2023-11-19 07:54:29,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:54:29,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:54:29,165 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:54:29,165 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:54:29,180 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:28" (1/1) ... [2023-11-19 07:54:29,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:28" (1/1) ... [2023-11-19 07:54:29,277 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:28" (1/1) ... [2023-11-19 07:54:29,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:28" (1/1) ... [2023-11-19 07:54:29,705 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:28" (1/1) ... [2023-11-19 07:54:29,751 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:28" (1/1) ... [2023-11-19 07:54:29,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:28" (1/1) ... [2023-11-19 07:54:29,842 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:28" (1/1) ... [2023-11-19 07:54:29,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:54:29,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:54:29,939 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:54:29,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:54:29,940 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:28" (1/1) ... [2023-11-19 07:54:29,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:54:29,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409fb037-8455-464b-bf82-ce104aab9251/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:54:29,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409fb037-8455-464b-bf82-ce104aab9251/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:54:29,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409fb037-8455-464b-bf82-ce104aab9251/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:54:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2023-11-19 07:54:30,027 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2023-11-19 07:54:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:54:30,028 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:54:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 07:54:30,030 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 07:54:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:54:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:54:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2023-11-19 07:54:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2023-11-19 07:54:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2023-11-19 07:54:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2023-11-19 07:54:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2023-11-19 07:54:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2023-11-19 07:54:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2023-11-19 07:54:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2023-11-19 07:54:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 07:54:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 07:54:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2023-11-19 07:54:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2023-11-19 07:54:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2023-11-19 07:54:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2023-11-19 07:54:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2023-11-19 07:54:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2023-11-19 07:54:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 07:54:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 07:54:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2023-11-19 07:54:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2023-11-19 07:54:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2023-11-19 07:54:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2023-11-19 07:54:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:54:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:54:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2023-11-19 07:54:30,038 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2023-11-19 07:54:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2023-11-19 07:54:30,038 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2023-11-19 07:54:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2023-11-19 07:54:30,039 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2023-11-19 07:54:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 07:54:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2023-11-19 07:54:30,040 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2023-11-19 07:54:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2023-11-19 07:54:30,040 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2023-11-19 07:54:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-19 07:54:30,042 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-19 07:54:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 07:54:30,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 07:54:30,043 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2023-11-19 07:54:30,043 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2023-11-19 07:54:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2023-11-19 07:54:30,045 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2023-11-19 07:54:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 07:54:30,045 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 07:54:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:54:30,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:54:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2023-11-19 07:54:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2023-11-19 07:54:30,047 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2023-11-19 07:54:30,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:54:30,047 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-19 07:54:30,048 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-19 07:54:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-19 07:54:30,048 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-19 07:54:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-19 07:54:30,048 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-19 07:54:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2023-11-19 07:54:30,049 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2023-11-19 07:54:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 07:54:30,050 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 07:54:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:54:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-19 07:54:30,051 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-19 07:54:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2023-11-19 07:54:30,051 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2023-11-19 07:54:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2023-11-19 07:54:30,051 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2023-11-19 07:54:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 07:54:30,052 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 07:54:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 07:54:30,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 07:54:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-19 07:54:30,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-19 07:54:30,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:54:30,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 07:54:30,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 07:54:30,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:54:30,054 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 07:54:30,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 07:54:30,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:54:30,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:54:30,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 07:54:30,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 07:54:30,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 07:54:30,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 07:54:30,056 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2023-11-19 07:54:30,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2023-11-19 07:54:30,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 07:54:30,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 07:54:30,058 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2023-11-19 07:54:30,058 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2023-11-19 07:54:30,058 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 07:54:30,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 07:54:30,059 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 07:54:30,059 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 07:54:30,059 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2023-11-19 07:54:30,059 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2023-11-19 07:54:30,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 07:54:30,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 07:54:30,060 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2023-11-19 07:54:30,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2023-11-19 07:54:30,061 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2023-11-19 07:54:30,061 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2023-11-19 07:54:30,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:54:30,061 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2023-11-19 07:54:30,061 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2023-11-19 07:54:30,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:54:30,062 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2023-11-19 07:54:30,062 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2023-11-19 07:54:30,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 07:54:30,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 07:54:30,064 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 07:54:30,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 07:54:30,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:54:30,065 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:54:30,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:54:30,065 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2023-11-19 07:54:30,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2023-11-19 07:54:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-19 07:54:30,068 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-19 07:54:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:54:30,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:54:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2023-11-19 07:54:30,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2023-11-19 07:54:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2023-11-19 07:54:30,074 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2023-11-19 07:54:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2023-11-19 07:54:30,075 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2023-11-19 07:54:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-19 07:54:30,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-19 07:54:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2023-11-19 07:54:30,082 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2023-11-19 07:54:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 07:54:30,082 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 07:54:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2023-11-19 07:54:30,083 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2023-11-19 07:54:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 07:54:30,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 07:54:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-19 07:54:30,083 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-19 07:54:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2023-11-19 07:54:30,084 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2023-11-19 07:54:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2023-11-19 07:54:30,084 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2023-11-19 07:54:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:54:30,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:54:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2023-11-19 07:54:30,085 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2023-11-19 07:54:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 07:54:30,085 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 07:54:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2023-11-19 07:54:30,086 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2023-11-19 07:54:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:54:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:54:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:54:30,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:54:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2023-11-19 07:54:30,087 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2023-11-19 07:54:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 07:54:30,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 07:54:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-19 07:54:30,088 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-19 07:54:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2023-11-19 07:54:30,088 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2023-11-19 07:54:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2023-11-19 07:54:30,089 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2023-11-19 07:54:30,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 07:54:30,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 07:54:30,089 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2023-11-19 07:54:30,089 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2023-11-19 07:54:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2023-11-19 07:54:30,090 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2023-11-19 07:54:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2023-11-19 07:54:30,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2023-11-19 07:54:30,091 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2023-11-19 07:54:30,091 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2023-11-19 07:54:30,091 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2023-11-19 07:54:30,091 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2023-11-19 07:54:30,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:54:30,092 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:54:30,092 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2023-11-19 07:54:30,092 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2023-11-19 07:54:30,092 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 07:54:30,092 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 07:54:30,093 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2023-11-19 07:54:30,093 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2023-11-19 07:54:30,093 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2023-11-19 07:54:30,093 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2023-11-19 07:54:30,093 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2023-11-19 07:54:30,093 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2023-11-19 07:54:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2023-11-19 07:54:30,094 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2023-11-19 07:54:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-19 07:54:30,094 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-19 07:54:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2023-11-19 07:54:30,094 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2023-11-19 07:54:30,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:54:30,095 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2023-11-19 07:54:30,095 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2023-11-19 07:54:30,095 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2023-11-19 07:54:30,095 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2023-11-19 07:54:30,095 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2023-11-19 07:54:30,096 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2023-11-19 07:54:30,096 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2023-11-19 07:54:30,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2023-11-19 07:54:30,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:54:30,096 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2023-11-19 07:54:30,096 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2023-11-19 07:54:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2023-11-19 07:54:30,097 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2023-11-19 07:54:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2023-11-19 07:54:30,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2023-11-19 07:54:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:54:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-19 07:54:30,098 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-19 07:54:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2023-11-19 07:54:30,098 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2023-11-19 07:54:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:54:30,098 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:54:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 07:54:30,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 07:54:30,099 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-19 07:54:30,099 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-19 07:54:30,099 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2023-11-19 07:54:30,099 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2023-11-19 07:54:30,099 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2023-11-19 07:54:30,100 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2023-11-19 07:54:30,100 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 07:54:30,100 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 07:54:30,100 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-19 07:54:30,100 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-19 07:54:30,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-19 07:54:30,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-19 07:54:30,101 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2023-11-19 07:54:30,101 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2023-11-19 07:54:30,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 07:54:30,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 07:54:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-19 07:54:30,102 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-19 07:54:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2023-11-19 07:54:30,102 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2023-11-19 07:54:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2023-11-19 07:54:30,102 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2023-11-19 07:54:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2023-11-19 07:54:30,103 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2023-11-19 07:54:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2023-11-19 07:54:30,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2023-11-19 07:54:30,108 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-19 07:54:30,109 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-19 07:54:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 07:54:30,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 07:54:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 07:54:30,109 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 07:54:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2023-11-19 07:54:30,110 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2023-11-19 07:54:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-19 07:54:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-19 07:54:30,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_73 [2023-11-19 07:54:30,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_73 [2023-11-19 07:54:30,113 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2023-11-19 07:54:30,113 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2023-11-19 07:54:30,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:54:30,113 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2023-11-19 07:54:30,113 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2023-11-19 07:54:30,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:54:30,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:54:30,114 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2023-11-19 07:54:30,114 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2023-11-19 07:54:30,114 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-19 07:54:30,114 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-19 07:54:30,114 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2023-11-19 07:54:30,115 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2023-11-19 07:54:30,115 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-19 07:54:30,115 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-19 07:54:30,115 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2023-11-19 07:54:30,115 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2023-11-19 07:54:30,115 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2023-11-19 07:54:30,116 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2023-11-19 07:54:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2023-11-19 07:54:30,116 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2023-11-19 07:54:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2023-11-19 07:54:30,116 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2023-11-19 07:54:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 07:54:30,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 07:54:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2023-11-19 07:54:30,117 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2023-11-19 07:54:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2023-11-19 07:54:30,117 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2023-11-19 07:54:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2023-11-19 07:54:30,118 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2023-11-19 07:54:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2023-11-19 07:54:30,118 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2023-11-19 07:54:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2023-11-19 07:54:30,118 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2023-11-19 07:54:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2023-11-19 07:54:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2023-11-19 07:54:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-19 07:54:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-19 07:54:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2023-11-19 07:54:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2023-11-19 07:54:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2023-11-19 07:54:30,120 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2023-11-19 07:54:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-19 07:54:30,120 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-19 07:54:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2023-11-19 07:54:30,120 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2023-11-19 07:54:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2023-11-19 07:54:30,121 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2023-11-19 07:54:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2023-11-19 07:54:30,121 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2023-11-19 07:54:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:54:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 07:54:30,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 07:54:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-19 07:54:31,537 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:54:31,543 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:54:31,997 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:54:52,121 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:54:52,169 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:54:52,169 INFO L302 CfgBuilder]: Removed 17 assume(true) statements. [2023-11-19 07:54:52,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:52 BoogieIcfgContainer [2023-11-19 07:54:52,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:54:52,203 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:54:52,203 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:54:52,206 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:54:52,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:54:22" (1/3) ... [2023-11-19 07:54:52,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc29d83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:52, skipping insertion in model container [2023-11-19 07:54:52,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:28" (2/3) ... [2023-11-19 07:54:52,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc29d83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:52, skipping insertion in model container [2023-11-19 07:54:52,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:52" (3/3) ... [2023-11-19 07:54:52,212 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2023-11-19 07:54:52,235 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:54:52,236 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-19 07:54:52,418 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:54:52,430 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1a685ecb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:54:52,430 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-19 07:54:52,456 INFO L276 IsEmpty]: Start isEmpty. Operand has 4785 states, 3602 states have (on average 1.4616879511382566) internal successors, (5265), 3679 states have internal predecessors, (5265), 1044 states have call successors, (1044), 152 states have call predecessors, (1044), 151 states have return successors, (1035), 1021 states have call predecessors, (1035), 1035 states have call successors, (1035) [2023-11-19 07:54:52,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 07:54:52,473 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:52,474 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:52,475 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)] === [2023-11-19 07:54:52,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:52,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1147257967, now seen corresponding path program 1 times [2023-11-19 07:54:52,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:52,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076341977] [2023-11-19 07:54:52,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:52,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:54,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 07:54:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:54,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:54:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:54,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:54:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:54,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:54,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:54:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:54,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:54:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:54,782 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 07:54:54,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:54,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076341977] [2023-11-19 07:54:54,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076341977] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:54,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:54,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:54:54,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111250321] [2023-11-19 07:54:54,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:54,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:54:54,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:54,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:54:54,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:54:54,858 INFO L87 Difference]: Start difference. First operand has 4785 states, 3602 states have (on average 1.4616879511382566) internal successors, (5265), 3679 states have internal predecessors, (5265), 1044 states have call successors, (1044), 152 states have call predecessors, (1044), 151 states have return successors, (1035), 1021 states have call predecessors, (1035), 1035 states have call successors, (1035) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 07:54:55,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:55,894 INFO L93 Difference]: Finished difference Result 9497 states and 14894 transitions. [2023-11-19 07:54:55,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:54:55,897 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2023-11-19 07:54:55,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:55,993 INFO L225 Difference]: With dead ends: 9497 [2023-11-19 07:54:55,994 INFO L226 Difference]: Without dead ends: 4723 [2023-11-19 07:54:56,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:54:56,091 INFO L413 NwaCegarLoop]: 7196 mSDtfsCounter, 7174 mSDsluCounter, 14377 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7187 SdHoareTripleChecker+Valid, 21573 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:56,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7187 Valid, 21573 Invalid, 22 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:54:56,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4723 states. [2023-11-19 07:54:56,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4723 to 4723. [2023-11-19 07:54:56,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4723 states, 3550 states have (on average 1.4490140845070423) internal successors, (5144), 3608 states have internal predecessors, (5144), 1019 states have call successors, (1019), 152 states have call predecessors, (1019), 151 states have return successors, (1016), 1002 states have call predecessors, (1016), 1016 states have call successors, (1016) [2023-11-19 07:54:56,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4723 states to 4723 states and 7179 transitions. [2023-11-19 07:54:56,721 INFO L78 Accepts]: Start accepts. Automaton has 4723 states and 7179 transitions. Word has length 48 [2023-11-19 07:54:56,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:56,725 INFO L495 AbstractCegarLoop]: Abstraction has 4723 states and 7179 transitions. [2023-11-19 07:54:56,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 07:54:56,725 INFO L276 IsEmpty]: Start isEmpty. Operand 4723 states and 7179 transitions. [2023-11-19 07:54:56,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 07:54:56,730 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:56,730 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:56,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:54:56,731 INFO L420 AbstractCegarLoop]: === Iteration 2 === 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)] === [2023-11-19 07:54:56,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:56,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1815570731, now seen corresponding path program 1 times [2023-11-19 07:54:56,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:56,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340671975] [2023-11-19 07:54:56,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:56,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:58,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 07:54:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:58,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:54:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:58,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:54:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:58,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:54:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:58,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:54:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:58,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:54:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:58,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 07:54:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:58,142 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 07:54:58,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:58,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340671975] [2023-11-19 07:54:58,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340671975] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:58,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:58,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:54:58,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009909360] [2023-11-19 07:54:58,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:58,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:54:58,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:58,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:54:58,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:54:58,147 INFO L87 Difference]: Start difference. First operand 4723 states and 7179 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-19 07:54:58,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:58,677 INFO L93 Difference]: Finished difference Result 4729 states and 7184 transitions. [2023-11-19 07:54:58,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:54:58,678 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2023-11-19 07:54:58,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:58,737 INFO L225 Difference]: With dead ends: 4729 [2023-11-19 07:54:58,737 INFO L226 Difference]: Without dead ends: 4727 [2023-11-19 07:54:58,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:54:58,743 INFO L413 NwaCegarLoop]: 7176 mSDtfsCounter, 7147 mSDsluCounter, 14331 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7158 SdHoareTripleChecker+Valid, 21507 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:58,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7158 Valid, 21507 Invalid, 22 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:54:58,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4727 states. [2023-11-19 07:54:59,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4727 to 4727. [2023-11-19 07:54:59,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4727 states, 3553 states have (on average 1.4486349563748944) internal successors, (5147), 3611 states have internal predecessors, (5147), 1019 states have call successors, (1019), 153 states have call predecessors, (1019), 152 states have return successors, (1016), 1002 states have call predecessors, (1016), 1016 states have call successors, (1016) [2023-11-19 07:54:59,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4727 states to 4727 states and 7182 transitions. [2023-11-19 07:54:59,136 INFO L78 Accepts]: Start accepts. Automaton has 4727 states and 7182 transitions. Word has length 53 [2023-11-19 07:54:59,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:59,137 INFO L495 AbstractCegarLoop]: Abstraction has 4727 states and 7182 transitions. [2023-11-19 07:54:59,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-19 07:54:59,138 INFO L276 IsEmpty]: Start isEmpty. Operand 4727 states and 7182 transitions. [2023-11-19 07:54:59,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 07:54:59,148 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:59,148 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:59,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:54:59,149 INFO L420 AbstractCegarLoop]: === Iteration 3 === 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)] === [2023-11-19 07:54:59,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:59,150 INFO L85 PathProgramCache]: Analyzing trace with hash -67081233, now seen corresponding path program 1 times [2023-11-19 07:54:59,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:59,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927897950] [2023-11-19 07:54:59,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:59,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:00,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 07:55:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:00,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:55:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:00,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:55:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:00,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:00,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:55:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:00,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:55:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:00,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 07:55:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:00,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:55:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:00,214 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-19 07:55:00,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:00,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927897950] [2023-11-19 07:55:00,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927897950] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:00,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:00,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:55:00,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299842634] [2023-11-19 07:55:00,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:00,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:55:00,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:00,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:55:00,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:55:00,218 INFO L87 Difference]: Start difference. First operand 4727 states and 7182 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 07:55:00,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:55:00,743 INFO L93 Difference]: Finished difference Result 4733 states and 7187 transitions. [2023-11-19 07:55:00,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:55:00,744 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2023-11-19 07:55:00,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:55:00,796 INFO L225 Difference]: With dead ends: 4733 [2023-11-19 07:55:00,796 INFO L226 Difference]: Without dead ends: 4731 [2023-11-19 07:55:00,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:55:00,803 INFO L413 NwaCegarLoop]: 7176 mSDtfsCounter, 7147 mSDsluCounter, 14331 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7157 SdHoareTripleChecker+Valid, 21507 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:55:00,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7157 Valid, 21507 Invalid, 22 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:55:00,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4731 states. [2023-11-19 07:55:01,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4731 to 4731. [2023-11-19 07:55:01,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4731 states, 3556 states have (on average 1.4482564679415073) internal successors, (5150), 3614 states have internal predecessors, (5150), 1019 states have call successors, (1019), 154 states have call predecessors, (1019), 153 states have return successors, (1016), 1002 states have call predecessors, (1016), 1016 states have call successors, (1016) [2023-11-19 07:55:01,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4731 states to 4731 states and 7185 transitions. [2023-11-19 07:55:01,296 INFO L78 Accepts]: Start accepts. Automaton has 4731 states and 7185 transitions. Word has length 58 [2023-11-19 07:55:01,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:55:01,297 INFO L495 AbstractCegarLoop]: Abstraction has 4731 states and 7185 transitions. [2023-11-19 07:55:01,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 07:55:01,297 INFO L276 IsEmpty]: Start isEmpty. Operand 4731 states and 7185 transitions. [2023-11-19 07:55:01,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 07:55:01,299 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:55:01,300 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:55:01,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:55:01,300 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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)] === [2023-11-19 07:55:01,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:01,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1025454379, now seen corresponding path program 1 times [2023-11-19 07:55:01,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:01,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418846304] [2023-11-19 07:55:01,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:01,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 07:55:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:55:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:55:02,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:55:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:55:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 07:55:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:55:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:55:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:02,375 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-19 07:55:02,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:02,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418846304] [2023-11-19 07:55:02,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418846304] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:02,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:02,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:55:02,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806671826] [2023-11-19 07:55:02,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:02,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:55:02,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:02,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:55:02,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:55:02,379 INFO L87 Difference]: Start difference. First operand 4731 states and 7185 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 07:55:02,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:55:02,848 INFO L93 Difference]: Finished difference Result 4737 states and 7190 transitions. [2023-11-19 07:55:02,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:55:02,849 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2023-11-19 07:55:02,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:55:02,901 INFO L225 Difference]: With dead ends: 4737 [2023-11-19 07:55:02,901 INFO L226 Difference]: Without dead ends: 4735 [2023-11-19 07:55:02,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:55:02,910 INFO L413 NwaCegarLoop]: 7176 mSDtfsCounter, 7147 mSDsluCounter, 14331 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7156 SdHoareTripleChecker+Valid, 21507 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:55:02,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7156 Valid, 21507 Invalid, 22 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:55:02,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4735 states. [2023-11-19 07:55:03,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4735 to 4735. [2023-11-19 07:55:03,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4735 states, 3559 states have (on average 1.4478786175892104) internal successors, (5153), 3617 states have internal predecessors, (5153), 1019 states have call successors, (1019), 155 states have call predecessors, (1019), 154 states have return successors, (1016), 1002 states have call predecessors, (1016), 1016 states have call successors, (1016) [2023-11-19 07:55:03,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4735 states to 4735 states and 7188 transitions. [2023-11-19 07:55:03,317 INFO L78 Accepts]: Start accepts. Automaton has 4735 states and 7188 transitions. Word has length 63 [2023-11-19 07:55:03,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:55:03,319 INFO L495 AbstractCegarLoop]: Abstraction has 4735 states and 7188 transitions. [2023-11-19 07:55:03,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 07:55:03,320 INFO L276 IsEmpty]: Start isEmpty. Operand 4735 states and 7188 transitions. [2023-11-19 07:55:03,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 07:55:03,323 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:55:03,323 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:55:03,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:55:03,324 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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)] === [2023-11-19 07:55:03,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:03,324 INFO L85 PathProgramCache]: Analyzing trace with hash 193291119, now seen corresponding path program 1 times [2023-11-19 07:55:03,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:03,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401248576] [2023-11-19 07:55:03,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:03,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:04,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 07:55:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:04,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:55:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:04,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:55:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:04,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:04,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:55:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:04,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:55:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:04,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 07:55:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:04,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:55:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:04,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:55:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:04,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-19 07:55:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:04,415 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-11-19 07:55:04,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:04,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401248576] [2023-11-19 07:55:04,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401248576] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:04,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:04,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:55:04,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49297992] [2023-11-19 07:55:04,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:04,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:55:04,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:04,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:55:04,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:55:04,419 INFO L87 Difference]: Start difference. First operand 4735 states and 7188 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10)