./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --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 82e959473290e80a4f353bcd3c2747bafa4ce239975e14e29f8e5bf5eff4b01b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 15:54:31,937 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 15:54:31,985 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 15:54:31,989 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 15:54:31,990 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 15:54:32,018 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 15:54:32,019 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 15:54:32,021 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 15:54:32,021 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 15:54:32,023 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 15:54:32,024 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 15:54:32,024 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 15:54:32,024 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 15:54:32,025 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 15:54:32,025 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 15:54:32,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 15:54:32,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 15:54:32,029 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 15:54:32,029 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 15:54:32,029 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 15:54:32,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 15:54:32,030 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 15:54:32,030 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 15:54:32,030 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 15:54:32,030 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 15:54:32,031 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 15:54:32,032 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 15:54:32,032 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 15:54:32,032 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 15:54:32,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:54:32,033 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 15:54:32,033 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 15:54:32,033 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 15:54:32,034 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 15:54:32,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 15:54:32,034 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 15:54:32,035 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 15:54:32,035 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 15:54:32,035 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 15:54:32,035 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:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82e959473290e80a4f353bcd3c2747bafa4ce239975e14e29f8e5bf5eff4b01b [2024-10-11 15:54:32,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 15:54:32,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 15:54:32,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 15:54:32,303 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 15:54:32,303 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 15:54:32,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i [2024-10-11 15:54:33,719 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 15:54:34,318 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 15:54:34,319 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i [2024-10-11 15:54:34,380 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/7d000088c/8831f1d3a87840baaa24e0fd25bc8657/FLAG372682966 [2024-10-11 15:54:34,395 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/7d000088c/8831f1d3a87840baaa24e0fd25bc8657 [2024-10-11 15:54:34,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 15:54:34,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 15:54:34,402 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 15:54:34,403 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 15:54:34,409 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 15:54:34,410 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:54:34" (1/1) ... [2024-10-11 15:54:34,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4017e413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:34, skipping insertion in model container [2024-10-11 15:54:34,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:54:34" (1/1) ... [2024-10-11 15:54:34,554 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 15:54:37,191 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343367,343380] [2024-10-11 15:54:37,196 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343536,343549] [2024-10-11 15:54:37,197 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343703,343716] [2024-10-11 15:54:37,197 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343871,343884] [2024-10-11 15:54:37,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:54:37,278 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 15:54:37,381 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"); [5236] [2024-10-11 15:54:37,383 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)); [5243] [2024-10-11 15:54:37,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5250] [2024-10-11 15:54:37,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5286-5287] [2024-10-11 15:54:37,385 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"); [5292-5294] [2024-10-11 15:54:37,389 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5411] [2024-10-11 15:54:37,390 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5419] [2024-10-11 15:54:37,397 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)); [5521-5522] [2024-10-11 15:54:37,398 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)); [5555-5556] [2024-10-11 15:54:37,631 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343367,343380] [2024-10-11 15:54:37,632 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343536,343549] [2024-10-11 15:54:37,632 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343703,343716] [2024-10-11 15:54:37,632 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343871,343884] [2024-10-11 15:54:37,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:54:37,832 INFO L204 MainTranslator]: Completed translation [2024-10-11 15:54:37,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:37 WrapperNode [2024-10-11 15:54:37,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 15:54:37,834 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 15:54:37,834 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 15:54:37,834 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 15:54:37,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:37" (1/1) ... [2024-10-11 15:54:37,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:37" (1/1) ... [2024-10-11 15:54:38,129 INFO L138 Inliner]: procedures = 454, calls = 1990, calls flagged for inlining = 238, calls inlined = 222, statements flattened = 6203 [2024-10-11 15:54:38,130 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 15:54:38,131 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 15:54:38,132 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 15:54:38,132 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 15:54:38,144 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:37" (1/1) ... [2024-10-11 15:54:38,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:37" (1/1) ... [2024-10-11 15:54:38,189 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:37" (1/1) ... [2024-10-11 15:54:39,113 INFO L175 MemorySlicer]: Split 892 memory accesses to 23 slices as follows [2, 3, 63, 34, 50, 2, 3, 6, 8, 7, 5, 7, 5, 2, 3, 7, 660, 1, 7, 7, 7, 1, 2]. 74 percent of accesses are in the largest equivalence class. The 315 initializations are split as follows [0, 2, 56, 34, 40, 0, 1, 0, 8, 7, 5, 0, 5, 0, 0, 7, 140, 0, 0, 0, 7, 1, 2]. The 157 writes are split as follows [0, 0, 0, 0, 0, 1, 0, 4, 0, 0, 0, 3, 0, 1, 0, 0, 139, 0, 5, 4, 0, 0, 0]. [2024-10-11 15:54:39,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:37" (1/1) ... [2024-10-11 15:54:39,114 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:37" (1/1) ... [2024-10-11 15:54:39,222 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:37" (1/1) ... [2024-10-11 15:54:39,254 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:37" (1/1) ... [2024-10-11 15:54:39,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:37" (1/1) ... [2024-10-11 15:54:39,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:37" (1/1) ... [2024-10-11 15:54:39,380 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 15:54:39,381 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 15:54:39,381 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 15:54:39,381 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 15:54:39,382 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:37" (1/1) ... [2024-10-11 15:54:39,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:54:39,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:54:39,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 15:54:39,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 15:54:39,467 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rxfilter [2024-10-11 15:54:39,467 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rxfilter [2024-10-11 15:54:39,467 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2024-10-11 15:54:39,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2024-10-11 15:54:39,467 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-10-11 15:54:39,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-10-11 15:54:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-11 15:54:39,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-11 15:54:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-10-11 15:54:39,468 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-10-11 15:54:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-10-11 15:54:39,468 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-10-11 15:54:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-11 15:54:39,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-11 15:54:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-10-11 15:54:39,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-10-11 15:54:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-10-11 15:54:39,469 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-10-11 15:54:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-10-11 15:54:39,470 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-10-11 15:54:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2024-10-11 15:54:39,470 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2024-10-11 15:54:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_default_phy [2024-10-11 15:54:39,470 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_default_phy [2024-10-11 15:54:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2024-10-11 15:54:39,471 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2024-10-11 15:54:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_75 [2024-10-11 15:54:39,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_75 [2024-10-11 15:54:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_66 [2024-10-11 15:54:39,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_66 [2024-10-11 15:54:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-10-11 15:54:39,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-10-11 15:54:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-10-11 15:54:39,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-10-11 15:54:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_check_mode [2024-10-11 15:54:39,471 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_check_mode [2024-10-11 15:54:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-10-11 15:54:39,472 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-10-11 15:54:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-10-11 15:54:39,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-10-11 15:54:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-10-11 15:54:39,472 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-10-11 15:54:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-10-11 15:54:39,472 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-10-11 15:54:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-10-11 15:54:39,473 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-10-11 15:54:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-10-11 15:54:39,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-10-11 15:54:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_remove [2024-10-11 15:54:39,473 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_remove [2024-10-11 15:54:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure sis630_set_eq [2024-10-11 15:54:39,474 INFO L138 BoogieDeclarations]: Found implementation of procedure sis630_set_eq [2024-10-11 15:54:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2024-10-11 15:54:39,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2024-10-11 15:54:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-10-11 15:54:39,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-10-11 15:54:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 15:54:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sis900_cleanup_module_14_2 [2024-10-11 15:54:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sis900_cleanup_module_14_2 [2024-10-11 15:54:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_tx_ring [2024-10-11 15:54:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_tx_ring [2024-10-11 15:54:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-10-11 15:54:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-10-11 15:54:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_sis900_private [2024-10-11 15:54:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_sis900_private [2024-10-11 15:54:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-10-11 15:54:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-10-11 15:54:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-10-11 15:54:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-10-11 15:54:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_set_mode [2024-10-11 15:54:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_set_mode [2024-10-11 15:54:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 15:54:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 15:54:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 15:54:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 15:54:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 15:54:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 15:54:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 15:54:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 15:54:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 15:54:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 15:54:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 15:54:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 15:54:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-11 15:54:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-11 15:54:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-11 15:54:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-11 15:54:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-11 15:54:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-11 15:54:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-11 15:54:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-10-11 15:54:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-10-11 15:54:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-10-11 15:54:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-10-11 15:54:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2024-10-11 15:54:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2024-10-11 15:54:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_sis900_private [2024-10-11 15:54:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_sis900_private [2024-10-11 15:54:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-10-11 15:54:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-10-11 15:54:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-10-11 15:54:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-10-11 15:54:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-10-11 15:54:39,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-10-11 15:54:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-10-11 15:54:39,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-10-11 15:54:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-10-11 15:54:39,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-10-11 15:54:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_interrupt [2024-10-11 15:54:39,484 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_interrupt [2024-10-11 15:54:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_reset_phy [2024-10-11 15:54:39,484 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_reset_phy [2024-10-11 15:54:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-10-11 15:54:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-10-11 15:54:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 15:54:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-10-11 15:54:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-10-11 15:54:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-10-11 15:54:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-10-11 15:54:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 15:54:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-10-11 15:54:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-10-11 15:54:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 15:54:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 15:54:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 15:54:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 15:54:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 15:54:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 15:54:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-11 15:54:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-11 15:54:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-11 15:54:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-11 15:54:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-11 15:54:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-11 15:54:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-11 15:54:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-11 15:54:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-11 15:54:39,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-11 15:54:39,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-11 15:54:39,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-11 15:54:39,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-11 15:54:39,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-10-11 15:54:39,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-10-11 15:54:39,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-10-11 15:54:39,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-10-11 15:54:39,488 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2024-10-11 15:54:39,488 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2024-10-11 15:54:39,488 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_open [2024-10-11 15:54:39,489 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_open [2024-10-11 15:54:39,489 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-10-11 15:54:39,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-10-11 15:54:39,489 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_nway_reset [2024-10-11 15:54:39,489 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_nway_reset [2024-10-11 15:54:39,490 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-10-11 15:54:39,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-10-11 15:54:39,490 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-10-11 15:54:39,490 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-10-11 15:54:39,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-10-11 15:54:39,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-10-11 15:54:39,490 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-10-11 15:54:39,491 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-10-11 15:54:39,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 15:54:39,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 15:54:39,491 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_close [2024-10-11 15:54:39,491 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_close [2024-10-11 15:54:39,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-11 15:54:39,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-11 15:54:39,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-10-11 15:54:39,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-10-11 15:54:39,492 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-10-11 15:54:39,492 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-10-11 15:54:39,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-10-11 15:54:39,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-10-11 15:54:39,493 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_reset [2024-10-11 15:54:39,493 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_reset [2024-10-11 15:54:39,493 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-10-11 15:54:39,493 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-10-11 15:54:39,493 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-10-11 15:54:39,493 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-10-11 15:54:39,493 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-10-11 15:54:39,493 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-10-11 15:54:39,494 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-10-11 15:54:39,494 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-10-11 15:54:39,494 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2024-10-11 15:54:39,494 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2024-10-11 15:54:39,494 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-10-11 15:54:39,494 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-10-11 15:54:39,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 15:54:39,494 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-10-11 15:54:39,494 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-10-11 15:54:39,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_74 [2024-10-11 15:54:39,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_74 [2024-10-11 15:54:39,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 15:54:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 15:54:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 15:54:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 15:54:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 15:54:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 15:54:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-11 15:54:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-11 15:54:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-11 15:54:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-11 15:54:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-11 15:54:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-11 15:54:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-11 15:54:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-11 15:54:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-11 15:54:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-11 15:54:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-11 15:54:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-11 15:54:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-11 15:54:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-10-11 15:54:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-10-11 15:54:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-10-11 15:54:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-10-11 15:54:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-10-11 15:54:39,496 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-10-11 15:54:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rx_ring [2024-10-11 15:54:39,496 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rx_ring [2024-10-11 15:54:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 15:54:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 15:54:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 15:54:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 15:54:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 15:54:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 15:54:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-11 15:54:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-11 15:54:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-11 15:54:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-11 15:54:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-11 15:54:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-11 15:54:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-11 15:54:39,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-11 15:54:39,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-11 15:54:39,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-11 15:54:39,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-11 15:54:39,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-11 15:54:39,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-11 15:54:39,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-10-11 15:54:39,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-10-11 15:54:39,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-10-11 15:54:39,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-10-11 15:54:39,500 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-11 15:54:39,500 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-11 15:54:39,500 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2024-10-11 15:54:39,500 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2024-10-11 15:54:39,500 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-10-11 15:54:39,500 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-10-11 15:54:39,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-10-11 15:54:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-10-11 15:54:39,501 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2024-10-11 15:54:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2024-10-11 15:54:39,501 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-10-11 15:54:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-10-11 15:54:39,501 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2024-10-11 15:54:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2024-10-11 15:54:39,501 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_poll [2024-10-11 15:54:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_poll [2024-10-11 15:54:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-10-11 15:54:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-10-11 15:54:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-10-11 15:54:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-10-11 15:54:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2024-10-11 15:54:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2024-10-11 15:54:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-10-11 15:54:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-10-11 15:54:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-11 15:54:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-11 15:54:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_resume [2024-10-11 15:54:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_resume [2024-10-11 15:54:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 15:54:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 15:54:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 15:54:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 15:54:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 15:54:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 15:54:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 15:54:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 15:54:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 15:54:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 15:54:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 15:54:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 15:54:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-11 15:54:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-11 15:54:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-11 15:54:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-11 15:54:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-11 15:54:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-11 15:54:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-11 15:54:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-10-11 15:54:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-10-11 15:54:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-10-11 15:54:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-10-11 15:54:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-11 15:54:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-11 15:54:39,506 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2024-10-11 15:54:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2024-10-11 15:54:39,506 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_idle [2024-10-11 15:54:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_idle [2024-10-11 15:54:39,506 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_tx_timeout [2024-10-11 15:54:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_tx_timeout [2024-10-11 15:54:39,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-10-11 15:54:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-10-11 15:54:39,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-10-11 15:54:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-10-11 15:54:39,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-10-11 15:54:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-10-11 15:54:39,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 15:54:39,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 15:54:39,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 15:54:39,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 15:54:39,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 15:54:39,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 15:54:39,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 15:54:39,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 15:54:39,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 15:54:39,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 15:54:39,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 15:54:39,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 15:54:39,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-11 15:54:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-11 15:54:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-11 15:54:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-11 15:54:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-11 15:54:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-11 15:54:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-11 15:54:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-11 15:54:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-10-11 15:54:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-10-11 15:54:39,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-10-11 15:54:39,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-10-11 15:54:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-10-11 15:54:40,399 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 15:54:40,402 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 15:54:40,668 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-11 15:54:43,884 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-10-11 15:54:45,337 INFO L? ?]: Removed 2856 outVars from TransFormulas that were not future-live. [2024-10-11 15:54:45,337 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 15:54:45,690 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 15:54:45,690 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 15:54:45,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:54:45 BoogieIcfgContainer [2024-10-11 15:54:45,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 15:54:45,694 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 15:54:45,694 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 15:54:45,698 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 15:54:45,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:54:34" (1/3) ... [2024-10-11 15:54:45,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@589644ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:54:45, skipping insertion in model container [2024-10-11 15:54:45,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:37" (2/3) ... [2024-10-11 15:54:45,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@589644ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:54:45, skipping insertion in model container [2024-10-11 15:54:45,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:54:45" (3/3) ... [2024-10-11 15:54:45,702 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i [2024-10-11 15:54:45,720 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 15:54:45,721 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-11 15:54:45,851 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 15:54:45,858 INFO L333 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, 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;@2ce78081, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 15:54:45,859 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-11 15:54:45,870 INFO L276 IsEmpty]: Start isEmpty. Operand has 2150 states, 1494 states have (on average 1.4223560910307897) internal successors, (2125), 1517 states have internal predecessors, (2125), 560 states have call successors, (560), 94 states have call predecessors, (560), 93 states have return successors, (554), 546 states have call predecessors, (554), 554 states have call successors, (554) [2024-10-11 15:54:45,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-11 15:54:45,890 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:54:45,891 INFO L215 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:54:45,891 INFO L396 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)] === [2024-10-11 15:54:45,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:54:45,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1881036192, now seen corresponding path program 1 times [2024-10-11 15:54:45,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:54:45,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310920424] [2024-10-11 15:54:45,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:54:45,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:54:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:46,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:46,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:46,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:54:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:46,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:46,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:54:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:46,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:46,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:54:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:46,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:46,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:54:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:46,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:46,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:54:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:46,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:46,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:54:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:46,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:46,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:54:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:46,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:46,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 15:54:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:46,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:46,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 15:54:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:46,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:46,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 15:54:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:46,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:46,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 15:54:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:46,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 15:54:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:46,865 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2024-10-11 15:54:46,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:54:46,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310920424] [2024-10-11 15:54:46,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310920424] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:54:46,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:54:46,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:54:46,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780635521] [2024-10-11 15:54:46,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:54:46,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:54:46,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:54:46,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:54:46,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:54:46,915 INFO L87 Difference]: Start difference. First operand has 2150 states, 1494 states have (on average 1.4223560910307897) internal successors, (2125), 1517 states have internal predecessors, (2125), 560 states have call successors, (560), 94 states have call predecessors, (560), 93 states have return successors, (554), 546 states have call predecessors, (554), 554 states have call successors, (554) Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 15:54:53,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:54:53,463 INFO L93 Difference]: Finished difference Result 6822 states and 10635 transitions. [2024-10-11 15:54:53,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:54:53,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 131 [2024-10-11 15:54:53,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:54:53,514 INFO L225 Difference]: With dead ends: 6822 [2024-10-11 15:54:53,514 INFO L226 Difference]: Without dead ends: 4685 [2024-10-11 15:54:53,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:54:53,542 INFO L432 NwaCegarLoop]: 1882 mSDtfsCounter, 4977 mSDsluCounter, 2724 mSDsCounter, 0 mSdLazyCounter, 3488 mSolverCounterSat, 1667 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5522 SdHoareTripleChecker+Valid, 4606 SdHoareTripleChecker+Invalid, 5155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1667 IncrementalHoareTripleChecker+Valid, 3488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-10-11 15:54:53,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5522 Valid, 4606 Invalid, 5155 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1667 Valid, 3488 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2024-10-11 15:54:53,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4685 states. [2024-10-11 15:54:53,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4685 to 4185. [2024-10-11 15:54:53,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4185 states, 2936 states have (on average 1.3899863760217983) internal successors, (4081), 2981 states have internal predecessors, (4081), 1064 states have call successors, (1064), 183 states have call predecessors, (1064), 182 states have return successors, (1060), 1044 states have call predecessors, (1060), 1060 states have call successors, (1060) [2024-10-11 15:54:53,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4185 states to 4185 states and 6205 transitions. [2024-10-11 15:54:53,909 INFO L78 Accepts]: Start accepts. Automaton has 4185 states and 6205 transitions. Word has length 131 [2024-10-11 15:54:53,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:54:53,912 INFO L471 AbstractCegarLoop]: Abstraction has 4185 states and 6205 transitions. [2024-10-11 15:54:53,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 15:54:53,912 INFO L276 IsEmpty]: Start isEmpty. Operand 4185 states and 6205 transitions. [2024-10-11 15:54:53,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-11 15:54:53,916 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:54:53,917 INFO L215 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:54:53,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 15:54:53,921 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 15:54:53,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:54:53,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1278130700, now seen corresponding path program 1 times [2024-10-11 15:54:53,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:54:53,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772878055] [2024-10-11 15:54:53,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:54:53,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:54:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:54,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:54,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:54,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:54:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:54,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:54,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:54:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:54,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:54,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:54:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:54,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:54,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:54:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:54,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:54,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:54:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:54,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:54,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:54:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:54,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:54,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:54:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:54,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:54,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 15:54:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:54,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:54,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 15:54:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:54,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:54,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 15:54:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:54,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:54,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 15:54:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:54,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 15:54:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:54,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 15:54:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:54,541 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2024-10-11 15:54:54,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:54:54,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772878055] [2024-10-11 15:54:54,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772878055] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:54:54,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:54:54,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:54:54,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187403773] [2024-10-11 15:54:54,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:54:54,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:54:54,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:54:54,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:54:54,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:54:54,550 INFO L87 Difference]: Start difference. First operand 4185 states and 6205 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-11 15:55:01,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:55:01,340 INFO L93 Difference]: Finished difference Result 13383 states and 20020 transitions. [2024-10-11 15:55:01,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:55:01,341 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 135 [2024-10-11 15:55:01,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:55:01,407 INFO L225 Difference]: With dead ends: 13383 [2024-10-11 15:55:01,408 INFO L226 Difference]: Without dead ends: 9221 [2024-10-11 15:55:01,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:55:01,434 INFO L432 NwaCegarLoop]: 1903 mSDtfsCounter, 4959 mSDsluCounter, 2750 mSDsCounter, 0 mSdLazyCounter, 3425 mSolverCounterSat, 1706 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5495 SdHoareTripleChecker+Valid, 4653 SdHoareTripleChecker+Invalid, 5131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1706 IncrementalHoareTripleChecker+Valid, 3425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-10-11 15:55:01,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5495 Valid, 4653 Invalid, 5131 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1706 Valid, 3425 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2024-10-11 15:55:01,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9221 states. [2024-10-11 15:55:01,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9221 to 8634. [2024-10-11 15:55:01,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8634 states, 6132 states have (on average 1.399054142204827) internal successors, (8579), 6232 states have internal predecessors, (8579), 2130 states have call successors, (2130), 364 states have call predecessors, (2130), 369 states have return successors, (2164), 2087 states have call predecessors, (2164), 2126 states have call successors, (2164) [2024-10-11 15:55:01,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8634 states to 8634 states and 12873 transitions. [2024-10-11 15:55:01,877 INFO L78 Accepts]: Start accepts. Automaton has 8634 states and 12873 transitions. Word has length 135 [2024-10-11 15:55:01,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:55:01,878 INFO L471 AbstractCegarLoop]: Abstraction has 8634 states and 12873 transitions. [2024-10-11 15:55:01,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-11 15:55:01,878 INFO L276 IsEmpty]: Start isEmpty. Operand 8634 states and 12873 transitions. [2024-10-11 15:55:01,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-11 15:55:01,880 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:55:01,881 INFO L215 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:55:01,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 15:55:01,881 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 15:55:01,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:55:01,881 INFO L85 PathProgramCache]: Analyzing trace with hash -2086533242, now seen corresponding path program 1 times [2024-10-11 15:55:01,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:55:01,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422130831] [2024-10-11 15:55:01,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:55:01,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:55:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:02,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:02,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:02,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:55:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:02,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:02,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:55:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:02,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:02,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:55:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:02,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:02,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:55:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:02,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:02,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:55:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:02,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:02,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:55:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:02,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:02,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:55:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:02,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:02,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 15:55:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:02,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:02,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 15:55:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:02,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:02,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 15:55:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:02,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:02,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 15:55:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:02,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 15:55:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:02,241 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2024-10-11 15:55:02,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:55:02,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422130831] [2024-10-11 15:55:02,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422130831] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:55:02,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:55:02,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:55:02,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753606751] [2024-10-11 15:55:02,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:55:02,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:55:02,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:55:02,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:55:02,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:55:02,244 INFO L87 Difference]: Start difference. First operand 8634 states and 12873 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 15:55:07,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:55:07,378 INFO L93 Difference]: Finished difference Result 25882 states and 38722 transitions. [2024-10-11 15:55:07,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:55:07,379 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 137 [2024-10-11 15:55:07,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:55:07,515 INFO L225 Difference]: With dead ends: 25882 [2024-10-11 15:55:07,515 INFO L226 Difference]: Without dead ends: 17271 [2024-10-11 15:55:07,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:55:07,559 INFO L432 NwaCegarLoop]: 1862 mSDtfsCounter, 4613 mSDsluCounter, 2729 mSDsCounter, 0 mSdLazyCounter, 3467 mSolverCounterSat, 1653 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5100 SdHoareTripleChecker+Valid, 4591 SdHoareTripleChecker+Invalid, 5120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1653 IncrementalHoareTripleChecker+Valid, 3467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-10-11 15:55:07,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5100 Valid, 4591 Invalid, 5120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1653 Valid, 3467 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-10-11 15:55:07,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17271 states. [2024-10-11 15:55:08,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17271 to 15734. [2024-10-11 15:55:08,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15734 states, 11126 states have (on average 1.3917850080891605) internal successors, (15485), 11308 states have internal predecessors, (15485), 3904 states have call successors, (3904), 702 states have call predecessors, (3904), 701 states have return successors, (3944), 3813 states have call predecessors, (3944), 3900 states have call successors, (3944) [2024-10-11 15:55:08,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15734 states to 15734 states and 23333 transitions. [2024-10-11 15:55:08,462 INFO L78 Accepts]: Start accepts. Automaton has 15734 states and 23333 transitions. Word has length 137 [2024-10-11 15:55:08,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:55:08,464 INFO L471 AbstractCegarLoop]: Abstraction has 15734 states and 23333 transitions. [2024-10-11 15:55:08,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 15:55:08,467 INFO L276 IsEmpty]: Start isEmpty. Operand 15734 states and 23333 transitions. [2024-10-11 15:55:08,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-10-11 15:55:08,471 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:55:08,472 INFO L215 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:55:08,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 15:55:08,472 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 15:55:08,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:55:08,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1164980970, now seen corresponding path program 1 times [2024-10-11 15:55:08,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:55:08,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143202638] [2024-10-11 15:55:08,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:55:08,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:55:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:08,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:08,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:08,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:55:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:08,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:08,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:55:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:08,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:08,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:55:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:08,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:08,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:55:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:08,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:08,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:55:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:08,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:08,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:08,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:55:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:08,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:08,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:55:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:08,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:08,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 15:55:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:08,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:08,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 15:55:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:08,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:08,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 15:55:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:08,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:08,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 15:55:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:09,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 15:55:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:09,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 15:55:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:09,022 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2024-10-11 15:55:09,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:55:09,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143202638] [2024-10-11 15:55:09,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143202638] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:55:09,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:55:09,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:55:09,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691794755] [2024-10-11 15:55:09,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:55:09,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:55:09,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:55:09,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:55:09,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:55:09,025 INFO L87 Difference]: Start difference. First operand 15734 states and 23333 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-11 15:55:13,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:55:13,565 INFO L93 Difference]: Finished difference Result 29444 states and 43792 transitions. [2024-10-11 15:55:13,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:55:13,566 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 144 [2024-10-11 15:55:13,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:55:13,652 INFO L225 Difference]: With dead ends: 29444 [2024-10-11 15:55:13,652 INFO L226 Difference]: Without dead ends: 13733 [2024-10-11 15:55:13,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:55:13,715 INFO L432 NwaCegarLoop]: 2586 mSDtfsCounter, 3081 mSDsluCounter, 3183 mSDsCounter, 0 mSdLazyCounter, 4207 mSolverCounterSat, 880 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3473 SdHoareTripleChecker+Valid, 5769 SdHoareTripleChecker+Invalid, 5087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 880 IncrementalHoareTripleChecker+Valid, 4207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-10-11 15:55:13,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3473 Valid, 5769 Invalid, 5087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [880 Valid, 4207 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-10-11 15:55:13,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13733 states. [2024-10-11 15:55:14,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13733 to 12339. [2024-10-11 15:55:14,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12339 states, 8828 states have (on average 1.3915949252378794) internal successors, (12285), 8962 states have internal predecessors, (12285), 2914 states have call successors, (2914), 599 states have call predecessors, (2914), 594 states have return successors, (2932), 2838 states have call predecessors, (2932), 2910 states have call successors, (2932) [2024-10-11 15:55:14,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12339 states to 12339 states and 18131 transitions. [2024-10-11 15:55:14,266 INFO L78 Accepts]: Start accepts. Automaton has 12339 states and 18131 transitions. Word has length 144 [2024-10-11 15:55:14,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:55:14,268 INFO L471 AbstractCegarLoop]: Abstraction has 12339 states and 18131 transitions. [2024-10-11 15:55:14,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-11 15:55:14,268 INFO L276 IsEmpty]: Start isEmpty. Operand 12339 states and 18131 transitions. [2024-10-11 15:55:14,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-10-11 15:55:14,272 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:55:14,272 INFO L215 NwaCegarLoop]: trace histogram [15, 11, 11, 11, 11, 11, 11, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:55:14,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 15:55:14,272 INFO L396 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)] === [2024-10-11 15:55:14,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:55:14,273 INFO L85 PathProgramCache]: Analyzing trace with hash -936733207, now seen corresponding path program 1 times [2024-10-11 15:55:14,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:55:14,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020508113] [2024-10-11 15:55:14,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:55:14,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:55:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:55:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:55:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:55:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:55:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:55:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:55:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:55:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 15:55:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 15:55:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 15:55:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 15:55:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 15:55:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 15:55:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 15:55:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 15:55:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 15:55:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 15:55:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 15:55:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 15:55:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:14,748 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2024-10-11 15:55:14,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:55:14,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020508113] [2024-10-11 15:55:14,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020508113] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:55:14,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:55:14,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:55:14,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8521998] [2024-10-11 15:55:14,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:55:14,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:55:14,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:55:14,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:55:14,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:55:14,750 INFO L87 Difference]: Start difference. First operand 12339 states and 18131 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-10-11 15:55:19,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:55:19,892 INFO L93 Difference]: Finished difference Result 38328 states and 56857 transitions. [2024-10-11 15:55:19,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:55:19,893 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 178 [2024-10-11 15:55:19,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:55:20,038 INFO L225 Difference]: With dead ends: 38328 [2024-10-11 15:55:20,039 INFO L226 Difference]: Without dead ends: 26496 [2024-10-11 15:55:20,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:55:20,099 INFO L432 NwaCegarLoop]: 2243 mSDtfsCounter, 4648 mSDsluCounter, 2948 mSDsCounter, 0 mSdLazyCounter, 3995 mSolverCounterSat, 1446 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5184 SdHoareTripleChecker+Valid, 5191 SdHoareTripleChecker+Invalid, 5441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1446 IncrementalHoareTripleChecker+Valid, 3995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-10-11 15:55:20,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5184 Valid, 5191 Invalid, 5441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1446 Valid, 3995 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-10-11 15:55:20,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26496 states. [2024-10-11 15:55:21,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26496 to 23766. [2024-10-11 15:55:21,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23766 states, 17076 states have (on average 1.3923049894588897) internal successors, (23775), 17313 states have internal predecessors, (23775), 5558 states have call successors, (5558), 1134 states have call predecessors, (5558), 1129 states have return successors, (5598), 5439 states have call predecessors, (5598), 5554 states have call successors, (5598) [2024-10-11 15:55:21,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23766 states to 23766 states and 34931 transitions. [2024-10-11 15:55:21,455 INFO L78 Accepts]: Start accepts. Automaton has 23766 states and 34931 transitions. Word has length 178 [2024-10-11 15:55:21,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:55:21,456 INFO L471 AbstractCegarLoop]: Abstraction has 23766 states and 34931 transitions. [2024-10-11 15:55:21,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-10-11 15:55:21,458 INFO L276 IsEmpty]: Start isEmpty. Operand 23766 states and 34931 transitions. [2024-10-11 15:55:21,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-10-11 15:55:21,461 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:55:21,462 INFO L215 NwaCegarLoop]: trace histogram [15, 11, 11, 11, 11, 11, 11, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:55:21,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 15:55:21,462 INFO L396 AbstractCegarLoop]: === Iteration 6 === 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)] === [2024-10-11 15:55:21,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:55:21,463 INFO L85 PathProgramCache]: Analyzing trace with hash -717878489, now seen corresponding path program 1 times [2024-10-11 15:55:21,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:55:21,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803568386] [2024-10-11 15:55:21,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:55:21,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:55:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:55:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:55:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:55:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:55:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:55:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:55:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:55:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 15:55:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 15:55:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 15:55:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 15:55:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:22,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 15:55:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:22,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 15:55:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:22,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 15:55:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:22,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 15:55:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:22,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 15:55:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:22,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:22,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 15:55:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:22,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 15:55:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:22,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 15:55:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:22,079 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2024-10-11 15:55:22,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:55:22,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803568386] [2024-10-11 15:55:22,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803568386] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:55:22,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:55:22,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:55:22,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380554802] [2024-10-11 15:55:22,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:55:22,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:55:22,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:55:22,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:55:22,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:55:22,081 INFO L87 Difference]: Start difference. First operand 23766 states and 34931 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-10-11 15:55:26,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:55:26,905 INFO L93 Difference]: Finished difference Result 26498 states and 39411 transitions. [2024-10-11 15:55:26,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 15:55:26,906 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 178 [2024-10-11 15:55:26,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:55:27,060 INFO L225 Difference]: With dead ends: 26498 [2024-10-11 15:55:27,060 INFO L226 Difference]: Without dead ends: 26496 [2024-10-11 15:55:27,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-11 15:55:27,087 INFO L432 NwaCegarLoop]: 1886 mSDtfsCounter, 3748 mSDsluCounter, 4392 mSDsCounter, 0 mSdLazyCounter, 5045 mSolverCounterSat, 1317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4050 SdHoareTripleChecker+Valid, 6278 SdHoareTripleChecker+Invalid, 6362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1317 IncrementalHoareTripleChecker+Valid, 5045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-10-11 15:55:27,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4050 Valid, 6278 Invalid, 6362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1317 Valid, 5045 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-10-11 15:55:27,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26496 states. [2024-10-11 15:55:28,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26496 to 23770. [2024-10-11 15:55:28,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23770 states, 17079 states have (on average 1.3922360793957491) internal successors, (23778), 17316 states have internal predecessors, (23778), 5558 states have call successors, (5558), 1135 states have call predecessors, (5558), 1130 states have return successors, (5598), 5439 states have call predecessors, (5598), 5554 states have call successors, (5598) [2024-10-11 15:55:28,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23770 states to 23770 states and 34934 transitions. [2024-10-11 15:55:28,219 INFO L78 Accepts]: Start accepts. Automaton has 23770 states and 34934 transitions. Word has length 178 [2024-10-11 15:55:28,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:55:28,221 INFO L471 AbstractCegarLoop]: Abstraction has 23770 states and 34934 transitions. [2024-10-11 15:55:28,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-10-11 15:55:28,221 INFO L276 IsEmpty]: Start isEmpty. Operand 23770 states and 34934 transitions. [2024-10-11 15:55:28,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-10-11 15:55:28,224 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:55:28,224 INFO L215 NwaCegarLoop]: trace histogram [15, 11, 11, 11, 11, 11, 11, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:55:28,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 15:55:28,224 INFO L396 AbstractCegarLoop]: === Iteration 7 === 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)] === [2024-10-11 15:55:28,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:55:28,225 INFO L85 PathProgramCache]: Analyzing trace with hash 50904660, now seen corresponding path program 1 times [2024-10-11 15:55:28,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:55:28,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100746247] [2024-10-11 15:55:28,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:55:28,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:55:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:55:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:55:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:55:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:55:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:55:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:55:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:55:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 15:55:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 15:55:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 15:55:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 15:55:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 15:55:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 15:55:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 15:55:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 15:55:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 15:55:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 15:55:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 15:55:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 15:55:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 15:55:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 15:55:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:28,593 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2024-10-11 15:55:28,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:55:28,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100746247] [2024-10-11 15:55:28,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100746247] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:55:28,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:55:28,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 15:55:28,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264656314] [2024-10-11 15:55:28,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:55:28,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 15:55:28,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:55:28,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 15:55:28,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:55:28,596 INFO L87 Difference]: Start difference. First operand 23770 states and 34934 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-10-11 15:55:38,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:55:38,674 INFO L93 Difference]: Finished difference Result 62583 states and 92742 transitions. [2024-10-11 15:55:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 15:55:38,674 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 187 [2024-10-11 15:55:38,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:55:38,897 INFO L225 Difference]: With dead ends: 62583 [2024-10-11 15:55:38,898 INFO L226 Difference]: Without dead ends: 39320 [2024-10-11 15:55:39,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 15:55:39,009 INFO L432 NwaCegarLoop]: 2360 mSDtfsCounter, 5127 mSDsluCounter, 3796 mSDsCounter, 0 mSdLazyCounter, 8730 mSolverCounterSat, 2339 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5453 SdHoareTripleChecker+Valid, 6156 SdHoareTripleChecker+Invalid, 11069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2339 IncrementalHoareTripleChecker+Valid, 8730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2024-10-11 15:55:39,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5453 Valid, 6156 Invalid, 11069 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2339 Valid, 8730 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2024-10-11 15:55:39,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39320 states. [2024-10-11 15:55:40,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39320 to 35205. [2024-10-11 15:55:40,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35205 states, 25335 states have (on average 1.3923820801263074) internal successors, (35276), 25675 states have internal predecessors, (35276), 8202 states have call successors, (8202), 1670 states have call predecessors, (8202), 1665 states have return successors, (8264), 8040 states have call predecessors, (8264), 8198 states have call successors, (8264) [2024-10-11 15:55:41,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35205 states to 35205 states and 51742 transitions. [2024-10-11 15:55:41,206 INFO L78 Accepts]: Start accepts. Automaton has 35205 states and 51742 transitions. Word has length 187 [2024-10-11 15:55:41,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:55:41,207 INFO L471 AbstractCegarLoop]: Abstraction has 35205 states and 51742 transitions. [2024-10-11 15:55:41,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-10-11 15:55:41,207 INFO L276 IsEmpty]: Start isEmpty. Operand 35205 states and 51742 transitions. [2024-10-11 15:55:41,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-10-11 15:55:41,210 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:55:41,210 INFO L215 NwaCegarLoop]: trace histogram [15, 11, 11, 11, 11, 11, 11, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:55:41,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 15:55:41,211 INFO L396 AbstractCegarLoop]: === Iteration 8 === 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)] === [2024-10-11 15:55:41,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:55:41,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1061616766, now seen corresponding path program 1 times [2024-10-11 15:55:41,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:55:41,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190885367] [2024-10-11 15:55:41,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:55:41,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:55:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:41,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:41,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:41,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:55:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:41,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:41,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:55:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:41,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:55:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:55:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:55:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:55:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:55:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 15:55:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 15:55:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 15:55:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 15:55:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 15:55:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 15:55:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-11 15:55:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 15:55:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 15:55:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 15:55:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 15:55:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 15:55:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 15:55:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:42,314 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2024-10-11 15:55:42,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:55:42,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190885367] [2024-10-11 15:55:42,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190885367] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:55:42,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:55:42,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:55:42,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7229092] [2024-10-11 15:55:42,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:55:42,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:55:42,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:55:42,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:55:42,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:55:42,318 INFO L87 Difference]: Start difference. First operand 35205 states and 51742 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)