./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-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.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-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.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 b230ba173626e1a1717879ee489b2ae4510c44810563ac66116e22604ac558a2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 16:04:14,613 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 16:04:14,682 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 16:04:14,687 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 16:04:14,689 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 16:04:14,714 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 16:04:14,716 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 16:04:14,716 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 16:04:14,717 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 16:04:14,717 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 16:04:14,718 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 16:04:14,718 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 16:04:14,719 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 16:04:14,720 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 16:04:14,721 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 16:04:14,721 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 16:04:14,721 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 16:04:14,722 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 16:04:14,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 16:04:14,722 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 16:04:14,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 16:04:14,726 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 16:04:14,726 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 16:04:14,726 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 16:04:14,726 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 16:04:14,727 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 16:04:14,727 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 16:04:14,727 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 16:04:14,727 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 16:04:14,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 16:04:14,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 16:04:14,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 16:04:14,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 16:04:14,728 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 16:04:14,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 16:04:14,729 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 16:04:14,732 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 16:04:14,732 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 16:04:14,732 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 16:04:14,732 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b230ba173626e1a1717879ee489b2ae4510c44810563ac66116e22604ac558a2 [2024-10-11 16:04:15,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 16:04:15,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 16:04:15,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 16:04:15,049 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 16:04:15,050 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 16:04:15,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2024-10-11 16:04:16,469 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 16:04:17,020 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 16:04:17,021 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2024-10-11 16:04:17,082 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/a4bb093bc/be92e9994a8645138d99e891e68dd108/FLAGcf1a59e96 [2024-10-11 16:04:17,100 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/a4bb093bc/be92e9994a8645138d99e891e68dd108 [2024-10-11 16:04:17,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 16:04:17,105 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 16:04:17,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 16:04:17,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 16:04:17,113 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 16:04:17,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:04:17" (1/1) ... [2024-10-11 16:04:17,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c4f7516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:04:17, skipping insertion in model container [2024-10-11 16:04:17,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:04:17" (1/1) ... [2024-10-11 16:04:17,294 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 16:04:19,638 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-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309274,309287] [2024-10-11 16:04:19,644 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-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309443,309456] [2024-10-11 16:04:19,645 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-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309610,309623] [2024-10-11 16:04:19,646 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-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309778,309791] [2024-10-11 16:04:19,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 16:04:19,717 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 16:04:19,848 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"); [5242] [2024-10-11 16:04:19,850 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)); [5249] [2024-10-11 16:04:19,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5256] [2024-10-11 16:04:19,853 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)); [5293-5294] [2024-10-11 16:04:19,854 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"); [5299-5301] [2024-10-11 16:04:19,866 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)); [5454-5455] [2024-10-11 16:04:19,868 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)); [5488-5489] [2024-10-11 16:04:19,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7248] [2024-10-11 16:04:19,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7500] [2024-10-11 16:04:20,138 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-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309274,309287] [2024-10-11 16:04:20,140 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-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309443,309456] [2024-10-11 16:04:20,141 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-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309610,309623] [2024-10-11 16:04:20,141 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-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309778,309791] [2024-10-11 16:04:20,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 16:04:20,315 INFO L204 MainTranslator]: Completed translation [2024-10-11 16:04:20,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:04:20 WrapperNode [2024-10-11 16:04:20,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 16:04:20,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 16:04:20,318 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 16:04:20,318 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 16:04:20,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:04:20" (1/1) ... [2024-10-11 16:04:20,429 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:04:20" (1/1) ... [2024-10-11 16:04:20,626 INFO L138 Inliner]: procedures = 412, calls = 1715, calls flagged for inlining = 195, calls inlined = 178, statements flattened = 4815 [2024-10-11 16:04:20,627 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 16:04:20,628 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 16:04:20,628 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 16:04:20,628 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 16:04:20,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:04:20" (1/1) ... [2024-10-11 16:04:20,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:04:20" (1/1) ... [2024-10-11 16:04:20,670 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:04:20" (1/1) ... [2024-10-11 16:04:21,282 INFO L175 MemorySlicer]: Split 771 memory accesses to 14 slices as follows [8, 8, 2, 1, 2, 2, 54, 5, 5, 50, 3, 628, 1, 2]. 81 percent of accesses are in the largest equivalence class. The 272 initializations are split as follows [8, 8, 0, 1, 2, 0, 54, 5, 5, 40, 1, 148, 0, 0]. The 176 writes are split as follows [0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 173, 0, 1]. [2024-10-11 16:04:21,283 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:04:20" (1/1) ... [2024-10-11 16:04:21,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:04:20" (1/1) ... [2024-10-11 16:04:21,398 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:04:20" (1/1) ... [2024-10-11 16:04:21,431 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:04:20" (1/1) ... [2024-10-11 16:04:21,470 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:04:20" (1/1) ... [2024-10-11 16:04:21,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:04:20" (1/1) ... [2024-10-11 16:04:21,547 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 16:04:21,548 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 16:04:21,549 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 16:04:21,549 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 16:04:21,550 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:04:20" (1/1) ... [2024-10-11 16:04:21,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 16:04:21,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 16:04:21,583 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 16:04:21,585 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 16:04:21,635 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-10-11 16:04:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-10-11 16:04:21,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-11 16:04:21,636 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-11 16:04:21,636 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-10-11 16:04:21,636 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-10-11 16:04:21,636 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-10-11 16:04:21,637 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-10-11 16:04:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-11 16:04:21,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-11 16:04:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-10-11 16:04:21,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-10-11 16:04:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-10-11 16:04:21,638 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-10-11 16:04:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2024-10-11 16:04:21,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2024-10-11 16:04:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-10-11 16:04:21,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-10-11 16:04:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-10-11 16:04:21,639 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-10-11 16:04:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-10-11 16:04:21,639 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-10-11 16:04:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2024-10-11 16:04:21,639 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2024-10-11 16:04:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_poll [2024-10-11 16:04:21,640 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_poll [2024-10-11 16:04:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-10-11 16:04:21,640 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-10-11 16:04:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-10-11 16:04:21,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-10-11 16:04:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-10-11 16:04:21,640 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-10-11 16:04:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-10-11 16:04:21,640 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-10-11 16:04:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-10-11 16:04:21,641 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-10-11 16:04:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-10-11 16:04:21,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-10-11 16:04:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2024-10-11 16:04:21,641 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2024-10-11 16:04:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 16:04:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_stop [2024-10-11 16:04:21,644 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_stop [2024-10-11 16:04:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-10-11 16:04:21,644 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-10-11 16:04:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-10-11 16:04:21,644 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-10-11 16:04:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-11 16:04:21,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-11 16:04:21,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-11 16:04:21,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-11 16:04:21,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-11 16:04:21,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-11 16:04:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-11 16:04:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-11 16:04:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-10-11 16:04:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-10-11 16:04:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-10-11 16:04:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-10-11 16:04:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-10-11 16:04:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-10-11 16:04:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-10-11 16:04:21,648 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-10-11 16:04:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-11 16:04:21,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-11 16:04:21,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-11 16:04:21,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-11 16:04:21,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-11 16:04:21,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-11 16:04:21,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-11 16:04:21,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-11 16:04:21,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-11 16:04:21,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-11 16:04:21,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-11 16:04:21,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-11 16:04:21,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-11 16:04:21,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-10-11 16:04:21,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-10-11 16:04:21,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-10-11 16:04:21,650 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_set_filter_mode [2024-10-11 16:04:21,650 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_set_filter_mode [2024-10-11 16:04:21,650 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2024-10-11 16:04:21,651 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2024-10-11 16:04:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 16:04:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 16:04:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 16:04:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 16:04:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 16:04:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 16:04:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 16:04:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 16:04:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 16:04:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 16:04:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 16:04:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 16:04:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-11 16:04:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-11 16:04:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2024-10-11 16:04:21,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2024-10-11 16:04:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-10-11 16:04:21,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-10-11 16:04:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-10-11 16:04:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-10-11 16:04:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-10-11 16:04:21,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-10-11 16:04:21,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-10-11 16:04:21,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-10-11 16:04:21,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-10-11 16:04:21,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-10-11 16:04:21,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-10-11 16:04:21,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-10-11 16:04:21,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-10-11 16:04:21,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-10-11 16:04:21,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-10-11 16:04:21,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-10-11 16:04:21,656 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-10-11 16:04:21,656 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-10-11 16:04:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-10-11 16:04:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-10-11 16:04:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-10-11 16:04:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-10-11 16:04:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-10-11 16:04:21,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-10-11 16:04:21,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-10-11 16:04:21,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-10-11 16:04:21,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-10-11 16:04:21,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-10-11 16:04:21,659 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-10-11 16:04:21,659 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-10-11 16:04:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-10-11 16:04:21,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-10-11 16:04:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-10-11 16:04:21,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-10-11 16:04:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-10-11 16:04:21,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-10-11 16:04:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-10-11 16:04:21,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-10-11 16:04:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-10-11 16:04:21,660 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-10-11 16:04:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2024-10-11 16:04:21,660 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2024-10-11 16:04:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-10-11 16:04:21,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-10-11 16:04:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reset_prepare [2024-10-11 16:04:21,660 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reset_prepare [2024-10-11 16:04:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 16:04:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-10-11 16:04:21,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-10-11 16:04:21,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-10-11 16:04:21,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-10-11 16:04:21,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 16:04:21,662 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2024-10-11 16:04:21,662 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2024-10-11 16:04:21,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-10-11 16:04:21,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-10-11 16:04:21,663 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-10-11 16:04:21,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-10-11 16:04:21,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 16:04:21,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 16:04:21,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 16:04:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 16:04:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 16:04:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 16:04:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-11 16:04:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-11 16:04:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-11 16:04:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-11 16:04:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-11 16:04:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-11 16:04:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-11 16:04:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-11 16:04:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-10-11 16:04:21,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-10-11 16:04:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-10-11 16:04:21,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-10-11 16:04:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-10-11 16:04:21,666 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-10-11 16:04:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-10-11 16:04:21,666 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-10-11 16:04:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-10-11 16:04:21,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-10-11 16:04:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2024-10-11 16:04:21,666 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2024-10-11 16:04:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 16:04:21,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 16:04:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reuse_skb [2024-10-11 16:04:21,666 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reuse_skb [2024-10-11 16:04:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_open [2024-10-11 16:04:21,666 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_open [2024-10-11 16:04:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-11 16:04:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-11 16:04:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-11 16:04:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-11 16:04:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-11 16:04:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-11 16:04:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-11 16:04:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-11 16:04:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-10-11 16:04:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-10-11 16:04:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-10-11 16:04:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-10-11 16:04:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-10-11 16:04:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-10-11 16:04:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-11 16:04:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-11 16:04:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-11 16:04:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-11 16:04:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-11 16:04:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-11 16:04:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-11 16:04:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-11 16:04:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-11 16:04:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-11 16:04:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-11 16:04:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-11 16:04:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-10-11 16:04:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-10-11 16:04:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-11 16:04:21,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-11 16:04:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-10-11 16:04:21,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-10-11 16:04:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-10-11 16:04:21,672 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-10-11 16:04:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_uli526x_board_info [2024-10-11 16:04:21,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_uli526x_board_info [2024-10-11 16:04:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-10-11 16:04:21,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-10-11 16:04:21,674 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-10-11 16:04:21,674 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-10-11 16:04:21,675 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-10-11 16:04:21,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-10-11 16:04:21,675 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-10-11 16:04:21,675 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-10-11 16:04:21,675 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-10-11 16:04:21,675 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-10-11 16:04:21,675 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2024-10-11 16:04:21,676 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2024-10-11 16:04:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2024-10-11 16:04:21,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2024-10-11 16:04:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-10-11 16:04:21,676 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-10-11 16:04:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 16:04:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-10-11 16:04:21,676 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-10-11 16:04:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 16:04:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 16:04:21,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 16:04:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 16:04:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 16:04:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 16:04:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-11 16:04:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-11 16:04:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-11 16:04:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-11 16:04:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-11 16:04:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-11 16:04:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-11 16:04:21,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-11 16:04:21,678 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-10-11 16:04:21,678 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-10-11 16:04:21,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 16:04:21,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 16:04:21,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 16:04:21,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 16:04:21,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 16:04:21,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 16:04:21,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-11 16:04:21,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-11 16:04:21,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-11 16:04:21,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-11 16:04:21,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-11 16:04:21,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-11 16:04:21,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-11 16:04:21,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-11 16:04:21,679 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-11 16:04:21,680 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-11 16:04:21,680 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-10-11 16:04:21,680 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-10-11 16:04:21,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-10-11 16:04:21,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-10-11 16:04:21,680 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_resume [2024-10-11 16:04:21,681 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_resume [2024-10-11 16:04:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-10-11 16:04:21,681 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-10-11 16:04:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_interrupt [2024-10-11 16:04:21,681 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_interrupt [2024-10-11 16:04:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2024-10-11 16:04:21,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2024-10-11 16:04:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_remove_one [2024-10-11 16:04:21,681 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_remove_one [2024-10-11 16:04:21,681 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2024-10-11 16:04:21,682 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2024-10-11 16:04:21,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 16:04:21,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 16:04:21,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 16:04:21,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 16:04:21,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 16:04:21,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 16:04:21,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 16:04:21,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 16:04:21,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 16:04:21,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 16:04:21,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 16:04:21,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 16:04:21,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-11 16:04:21,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-11 16:04:21,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-11 16:04:21,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-11 16:04:21,683 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2024-10-11 16:04:21,684 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2024-10-11 16:04:21,684 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_free_rxbuffer [2024-10-11 16:04:21,684 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_free_rxbuffer [2024-10-11 16:04:21,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-10-11 16:04:21,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-10-11 16:04:21,684 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-10-11 16:04:21,684 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-10-11 16:04:21,685 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-10-11 16:04:21,685 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-10-11 16:04:21,685 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_init [2024-10-11 16:04:21,685 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_init [2024-10-11 16:04:21,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 16:04:21,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 16:04:21,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 16:04:21,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 16:04:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 16:04:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 16:04:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 16:04:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 16:04:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 16:04:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 16:04:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 16:04:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 16:04:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-11 16:04:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-11 16:04:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-10-11 16:04:21,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-10-11 16:04:22,475 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 16:04:22,481 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 16:04:22,936 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-11 16:04:25,779 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-10-11 16:04:26,605 INFO L? ?]: Removed 2243 outVars from TransFormulas that were not future-live. [2024-10-11 16:04:26,606 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 16:04:26,976 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 16:04:26,977 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 16:04:26,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:04:26 BoogieIcfgContainer [2024-10-11 16:04:26,978 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 16:04:26,982 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 16:04:26,982 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 16:04:26,985 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 16:04:26,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 04:04:17" (1/3) ... [2024-10-11 16:04:26,986 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fab168a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:04:26, skipping insertion in model container [2024-10-11 16:04:26,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:04:20" (2/3) ... [2024-10-11 16:04:26,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fab168a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:04:26, skipping insertion in model container [2024-10-11 16:04:26,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:04:26" (3/3) ... [2024-10-11 16:04:26,989 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2024-10-11 16:04:27,007 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 16:04:27,008 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-11 16:04:27,129 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 16:04:27,137 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;@8ab50da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 16:04:27,137 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-11 16:04:27,148 INFO L276 IsEmpty]: Start isEmpty. Operand has 1555 states, 1041 states have (on average 1.410182516810759) internal successors, (1468), 1062 states have internal predecessors, (1468), 430 states have call successors, (430), 82 states have call predecessors, (430), 81 states have return successors, (424), 418 states have call predecessors, (424), 424 states have call successors, (424) [2024-10-11 16:04:27,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-11 16:04:27,169 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 16:04:27,171 INFO L215 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:04:27,171 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 16:04:27,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:04:27,177 INFO L85 PathProgramCache]: Analyzing trace with hash -288586598, now seen corresponding path program 1 times [2024-10-11 16:04:27,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:04:27,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285915963] [2024-10-11 16:04:27,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:04:27,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:04:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:27,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:27,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:27,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 16:04:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:27,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:27,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 16:04:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:27,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:28,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 16:04:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:28,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:28,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 16:04:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:28,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:28,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 16:04:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:28,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:28,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 16:04:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:28,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:28,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 16:04:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:28,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:28,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 16:04:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:28,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:28,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 16:04:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:28,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 16:04:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:28,167 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-10-11 16:04:28,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:04:28,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285915963] [2024-10-11 16:04:28,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285915963] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:04:28,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:04:28,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 16:04:28,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704329389] [2024-10-11 16:04:28,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:04:28,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 16:04:28,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:04:28,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 16:04:28,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 16:04:28,205 INFO L87 Difference]: Start difference. First operand has 1555 states, 1041 states have (on average 1.410182516810759) internal successors, (1468), 1062 states have internal predecessors, (1468), 430 states have call successors, (430), 82 states have call predecessors, (430), 81 states have return successors, (424), 418 states have call predecessors, (424), 424 states have call successors, (424) Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-11 16:04:33,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 16:04:33,218 INFO L93 Difference]: Finished difference Result 4879 states and 7544 transitions. [2024-10-11 16:04:33,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 16:04:33,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 111 [2024-10-11 16:04:33,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 16:04:33,274 INFO L225 Difference]: With dead ends: 4879 [2024-10-11 16:04:33,275 INFO L226 Difference]: Without dead ends: 3333 [2024-10-11 16:04:33,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 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 16:04:33,298 INFO L432 NwaCegarLoop]: 1433 mSDtfsCounter, 3551 mSDsluCounter, 1903 mSDsCounter, 0 mSdLazyCounter, 2334 mSolverCounterSat, 1313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3958 SdHoareTripleChecker+Valid, 3336 SdHoareTripleChecker+Invalid, 3647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 2334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-10-11 16:04:33,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3958 Valid, 3336 Invalid, 3647 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1313 Valid, 2334 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-10-11 16:04:33,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3333 states. [2024-10-11 16:04:33,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3333 to 2983. [2024-10-11 16:04:33,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2983 states, 2019 states have (on average 1.3838533927686973) internal successors, (2794), 2060 states have internal predecessors, (2794), 803 states have call successors, (803), 159 states have call predecessors, (803), 158 states have return successors, (799), 787 states have call predecessors, (799), 799 states have call successors, (799) [2024-10-11 16:04:33,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 2983 states and 4396 transitions. [2024-10-11 16:04:33,588 INFO L78 Accepts]: Start accepts. Automaton has 2983 states and 4396 transitions. Word has length 111 [2024-10-11 16:04:33,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 16:04:33,591 INFO L471 AbstractCegarLoop]: Abstraction has 2983 states and 4396 transitions. [2024-10-11 16:04:33,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-11 16:04:33,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2983 states and 4396 transitions. [2024-10-11 16:04:33,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-11 16:04:33,600 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 16:04:33,601 INFO L215 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:04:33,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 16:04:33,602 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 16:04:33,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:04:33,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1086530510, now seen corresponding path program 1 times [2024-10-11 16:04:33,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:04:33,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48655121] [2024-10-11 16:04:33,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:04:33,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:04:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:33,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:33,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:33,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 16:04:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:33,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:33,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 16:04:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:33,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:33,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 16:04:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:33,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:33,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 16:04:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:33,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:33,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 16:04:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:33,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:33,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 16:04:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:33,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:33,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 16:04:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:34,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:34,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 16:04:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:34,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:34,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 16:04:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:34,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 16:04:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:34,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 16:04:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:34,048 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-10-11 16:04:34,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:04:34,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48655121] [2024-10-11 16:04:34,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48655121] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:04:34,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:04:34,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 16:04:34,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831542922] [2024-10-11 16:04:34,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:04:34,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 16:04:34,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:04:34,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 16:04:34,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 16:04:34,052 INFO L87 Difference]: Start difference. First operand 2983 states and 4396 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-11 16:04:39,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 16:04:39,031 INFO L93 Difference]: Finished difference Result 9535 states and 14159 transitions. [2024-10-11 16:04:39,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 16:04:39,032 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 115 [2024-10-11 16:04:39,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 16:04:39,087 INFO L225 Difference]: With dead ends: 9535 [2024-10-11 16:04:39,087 INFO L226 Difference]: Without dead ends: 6571 [2024-10-11 16:04:39,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 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 16:04:39,107 INFO L432 NwaCegarLoop]: 1435 mSDtfsCounter, 3557 mSDsluCounter, 1944 mSDsCounter, 0 mSdLazyCounter, 2298 mSolverCounterSat, 1367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3956 SdHoareTripleChecker+Valid, 3379 SdHoareTripleChecker+Invalid, 3665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1367 IncrementalHoareTripleChecker+Valid, 2298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-10-11 16:04:39,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3956 Valid, 3379 Invalid, 3665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1367 Valid, 2298 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-10-11 16:04:39,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6571 states. [2024-10-11 16:04:39,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6571 to 6155. [2024-10-11 16:04:39,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6155 states, 4232 states have (on average 1.3915406427221173) internal successors, (5889), 4328 states have internal predecessors, (5889), 1597 states have call successors, (1597), 316 states have call predecessors, (1597), 323 states have return successors, (1631), 1562 states have call predecessors, (1631), 1593 states have call successors, (1631) [2024-10-11 16:04:39,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6155 states to 6155 states and 9117 transitions. [2024-10-11 16:04:39,503 INFO L78 Accepts]: Start accepts. Automaton has 6155 states and 9117 transitions. Word has length 115 [2024-10-11 16:04:39,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 16:04:39,503 INFO L471 AbstractCegarLoop]: Abstraction has 6155 states and 9117 transitions. [2024-10-11 16:04:39,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-11 16:04:39,504 INFO L276 IsEmpty]: Start isEmpty. Operand 6155 states and 9117 transitions. [2024-10-11 16:04:39,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-11 16:04:39,507 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 16:04:39,507 INFO L215 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:04:39,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 16:04:39,508 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 16:04:39,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:04:39,508 INFO L85 PathProgramCache]: Analyzing trace with hash -731100724, now seen corresponding path program 1 times [2024-10-11 16:04:39,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:04:39,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840771770] [2024-10-11 16:04:39,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:04:39,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:04:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:39,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:39,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:39,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 16:04:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:39,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:39,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 16:04:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:39,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:39,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 16:04:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:39,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:39,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 16:04:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:39,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:39,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 16:04:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:39,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:39,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 16:04:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:39,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:39,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 16:04:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:39,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:39,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 16:04:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:39,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:39,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 16:04:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:39,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 16:04:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:39,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 16:04:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:39,953 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-10-11 16:04:39,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:04:39,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840771770] [2024-10-11 16:04:39,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840771770] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:04:39,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:04:39,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 16:04:39,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148736803] [2024-10-11 16:04:39,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:04:39,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 16:04:39,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:04:39,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 16:04:39,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 16:04:39,955 INFO L87 Difference]: Start difference. First operand 6155 states and 9117 transitions. 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, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-11 16:04:44,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 16:04:44,322 INFO L93 Difference]: Finished difference Result 18471 states and 27384 transitions. [2024-10-11 16:04:44,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 16:04:44,323 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, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 115 [2024-10-11 16:04:44,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 16:04:44,412 INFO L225 Difference]: With dead ends: 18471 [2024-10-11 16:04:44,413 INFO L226 Difference]: Without dead ends: 12335 [2024-10-11 16:04:44,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 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 16:04:44,444 INFO L432 NwaCegarLoop]: 1626 mSDtfsCounter, 3210 mSDsluCounter, 1994 mSDsCounter, 0 mSdLazyCounter, 2366 mSolverCounterSat, 1255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3574 SdHoareTripleChecker+Valid, 3620 SdHoareTripleChecker+Invalid, 3621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1255 IncrementalHoareTripleChecker+Valid, 2366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-10-11 16:04:44,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3574 Valid, 3620 Invalid, 3621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1255 Valid, 2366 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-10-11 16:04:44,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12335 states. [2024-10-11 16:04:44,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12335 to 11223. [2024-10-11 16:04:44,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11223 states, 7654 states have (on average 1.3821531225503005) internal successors, (10579), 7834 states have internal predecessors, (10579), 2945 states have call successors, (2945), 622 states have call predecessors, (2945), 621 states have return successors, (2987), 2862 states have call predecessors, (2987), 2941 states have call successors, (2987) [2024-10-11 16:04:44,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11223 states to 11223 states and 16511 transitions. [2024-10-11 16:04:44,971 INFO L78 Accepts]: Start accepts. Automaton has 11223 states and 16511 transitions. Word has length 115 [2024-10-11 16:04:44,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 16:04:44,973 INFO L471 AbstractCegarLoop]: Abstraction has 11223 states and 16511 transitions. [2024-10-11 16:04:44,973 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, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-11 16:04:44,974 INFO L276 IsEmpty]: Start isEmpty. Operand 11223 states and 16511 transitions. [2024-10-11 16:04:44,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-11 16:04:44,976 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 16:04:44,977 INFO L215 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:04:44,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 16:04:44,977 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 16:04:44,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:04:44,978 INFO L85 PathProgramCache]: Analyzing trace with hash 566379412, now seen corresponding path program 1 times [2024-10-11 16:04:44,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:04:44,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429535532] [2024-10-11 16:04:44,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:04:44,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:04:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:45,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:45,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:45,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 16:04:45,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:45,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:45,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 16:04:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:45,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:45,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 16:04:45,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:45,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:45,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 16:04:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:45,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:45,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 16:04:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:45,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:45,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 16:04:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:45,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:45,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 16:04:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:45,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:45,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 16:04:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:45,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:45,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 16:04:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:45,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 16:04:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:45,366 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-10-11 16:04:45,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:04:45,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429535532] [2024-10-11 16:04:45,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429535532] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:04:45,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:04:45,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 16:04:45,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347168488] [2024-10-11 16:04:45,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:04:45,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 16:04:45,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:04:45,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 16:04:45,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 16:04:45,369 INFO L87 Difference]: Start difference. First operand 11223 states and 16511 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, (16), 3 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-11 16:04:48,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 16:04:48,959 INFO L93 Difference]: Finished difference Result 23423 states and 34595 transitions. [2024-10-11 16:04:48,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 16:04:48,960 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, (16), 3 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 120 [2024-10-11 16:04:48,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 16:04:49,068 INFO L225 Difference]: With dead ends: 23423 [2024-10-11 16:04:49,069 INFO L226 Difference]: Without dead ends: 12219 [2024-10-11 16:04:49,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 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 16:04:49,139 INFO L432 NwaCegarLoop]: 1629 mSDtfsCounter, 2813 mSDsluCounter, 1922 mSDsCounter, 0 mSdLazyCounter, 2485 mSolverCounterSat, 1006 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3130 SdHoareTripleChecker+Valid, 3551 SdHoareTripleChecker+Invalid, 3491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1006 IncrementalHoareTripleChecker+Valid, 2485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-10-11 16:04:49,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3130 Valid, 3551 Invalid, 3491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1006 Valid, 2485 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-10-11 16:04:49,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12219 states. [2024-10-11 16:04:49,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12219 to 10694. [2024-10-11 16:04:49,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10694 states, 7435 states have (on average 1.3872225958305313) internal successors, (10314), 7599 states have internal predecessors, (10314), 2630 states have call successors, (2630), 631 states have call predecessors, (2630), 626 states have return successors, (2649), 2544 states have call predecessors, (2649), 2626 states have call successors, (2649) [2024-10-11 16:04:49,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10694 states to 10694 states and 15593 transitions. [2024-10-11 16:04:49,676 INFO L78 Accepts]: Start accepts. Automaton has 10694 states and 15593 transitions. Word has length 120 [2024-10-11 16:04:49,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 16:04:49,677 INFO L471 AbstractCegarLoop]: Abstraction has 10694 states and 15593 transitions. [2024-10-11 16:04:49,678 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, (16), 3 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-11 16:04:49,678 INFO L276 IsEmpty]: Start isEmpty. Operand 10694 states and 15593 transitions. [2024-10-11 16:04:49,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-11 16:04:49,682 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 16:04:49,682 INFO L215 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:04:49,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 16:04:49,683 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 16:04:49,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:04:49,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1992960066, now seen corresponding path program 1 times [2024-10-11 16:04:49,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:04:49,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687278997] [2024-10-11 16:04:49,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:04:49,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:04:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:49,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:49,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:49,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 16:04:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:49,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:49,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 16:04:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:49,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:49,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 16:04:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:49,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:49,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:49,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 16:04:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:49,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:49,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 16:04:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:49,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:49,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 16:04:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:49,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:49,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 16:04:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:50,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:50,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 16:04:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:50,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:50,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 16:04:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:50,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 16:04:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:50,047 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-10-11 16:04:50,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:04:50,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687278997] [2024-10-11 16:04:50,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687278997] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:04:50,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:04:50,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 16:04:50,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131207490] [2024-10-11 16:04:50,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:04:50,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 16:04:50,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:04:50,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 16:04:50,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 16:04:50,050 INFO L87 Difference]: Start difference. First operand 10694 states and 15593 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-11 16:04:53,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 16:04:53,865 INFO L93 Difference]: Finished difference Result 30010 states and 44013 transitions. [2024-10-11 16:04:53,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 16:04:53,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 123 [2024-10-11 16:04:53,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 16:04:53,953 INFO L225 Difference]: With dead ends: 30010 [2024-10-11 16:04:53,954 INFO L226 Difference]: Without dead ends: 19335 [2024-10-11 16:04:53,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 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 16:04:53,989 INFO L432 NwaCegarLoop]: 1424 mSDtfsCounter, 3404 mSDsluCounter, 1929 mSDsCounter, 0 mSdLazyCounter, 2310 mSolverCounterSat, 1338 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3782 SdHoareTripleChecker+Valid, 3353 SdHoareTripleChecker+Invalid, 3648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1338 IncrementalHoareTripleChecker+Valid, 2310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-10-11 16:04:53,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3782 Valid, 3353 Invalid, 3648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1338 Valid, 2310 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-10-11 16:04:54,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19335 states. [2024-10-11 16:04:54,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19335 to 17053. [2024-10-11 16:04:54,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17053 states, 11765 states have (on average 1.3794305142371441) internal successors, (16229), 12030 states have internal predecessors, (16229), 4259 states have call successors, (4259), 1042 states have call predecessors, (4259), 1026 states have return successors, (4285), 4097 states have call predecessors, (4285), 4255 states have call successors, (4285) [2024-10-11 16:04:54,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17053 states to 17053 states and 24773 transitions. [2024-10-11 16:04:54,898 INFO L78 Accepts]: Start accepts. Automaton has 17053 states and 24773 transitions. Word has length 123 [2024-10-11 16:04:54,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 16:04:54,901 INFO L471 AbstractCegarLoop]: Abstraction has 17053 states and 24773 transitions. [2024-10-11 16:04:54,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-11 16:04:54,903 INFO L276 IsEmpty]: Start isEmpty. Operand 17053 states and 24773 transitions. [2024-10-11 16:04:54,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-10-11 16:04:54,904 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 16:04:54,904 INFO L215 NwaCegarLoop]: trace histogram [11, 9, 9, 9, 9, 9, 9, 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] [2024-10-11 16:04:54,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 16:04:54,905 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 16:04:54,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:04:54,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1891683148, now seen corresponding path program 1 times [2024-10-11 16:04:54,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:04:54,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506030250] [2024-10-11 16:04:54,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:04:54,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:04:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:55,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:55,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:55,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 16:04:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:55,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:55,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 16:04:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:55,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:55,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 16:04:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:55,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:55,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 16:04:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:55,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:55,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 16:04:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:55,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:55,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 16:04:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:55,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:55,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 16:04:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:55,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:55,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 16:04:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:55,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:04:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:55,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 16:04:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:55,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 16:04:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:55,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 16:04:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:55,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 16:04:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:55,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 16:04:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:04:55,257 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-10-11 16:04:55,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:04:55,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506030250] [2024-10-11 16:04:55,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506030250] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:04:55,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:04:55,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 16:04:55,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589052198] [2024-10-11 16:04:55,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:04:55,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 16:04:55,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:04:55,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 16:04:55,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 16:04:55,259 INFO L87 Difference]: Start difference. First operand 17053 states and 24773 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-11 16:04:59,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 16:04:59,700 INFO L93 Difference]: Finished difference Result 54231 states and 79453 transitions. [2024-10-11 16:04:59,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 16:04:59,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 133 [2024-10-11 16:04:59,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 16:04:59,999 INFO L225 Difference]: With dead ends: 54231 [2024-10-11 16:04:59,999 INFO L226 Difference]: Without dead ends: 37197 [2024-10-11 16:05:00,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 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 16:05:00,066 INFO L432 NwaCegarLoop]: 1700 mSDtfsCounter, 3514 mSDsluCounter, 2141 mSDsCounter, 0 mSdLazyCounter, 2481 mSolverCounterSat, 1293 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3928 SdHoareTripleChecker+Valid, 3841 SdHoareTripleChecker+Invalid, 3774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1293 IncrementalHoareTripleChecker+Valid, 2481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-10-11 16:05:00,066 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3928 Valid, 3841 Invalid, 3774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1293 Valid, 2481 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-10-11 16:05:00,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37197 states. [2024-10-11 16:05:01,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37197 to 32707. [2024-10-11 16:05:01,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32707 states, 22545 states have (on average 1.379418939897982) internal successors, (31099), 23087 states have internal predecessors, (31099), 8188 states have call successors, (8188), 2002 states have call predecessors, (8188), 1971 states have return successors, (8244), 7845 states have call predecessors, (8244), 8184 states have call successors, (8244) [2024-10-11 16:05:01,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32707 states to 32707 states and 47531 transitions. [2024-10-11 16:05:01,743 INFO L78 Accepts]: Start accepts. Automaton has 32707 states and 47531 transitions. Word has length 133 [2024-10-11 16:05:01,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 16:05:01,744 INFO L471 AbstractCegarLoop]: Abstraction has 32707 states and 47531 transitions. [2024-10-11 16:05:01,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-11 16:05:01,744 INFO L276 IsEmpty]: Start isEmpty. Operand 32707 states and 47531 transitions. [2024-10-11 16:05:01,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-10-11 16:05:01,746 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 16:05:01,747 INFO L215 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 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 16:05:01,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 16:05:01,747 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 16:05:01,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:05:01,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1472356582, now seen corresponding path program 1 times [2024-10-11 16:05:01,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:05:01,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953342444] [2024-10-11 16:05:01,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:05:01,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:05:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:01,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:01,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:01,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 16:05:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:01,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:01,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 16:05:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:01,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:01,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 16:05:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:01,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:01,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 16:05:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:01,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:01,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 16:05:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:01,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:01,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 16:05:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:01,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:01,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 16:05:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:01,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:01,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 16:05:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:01,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:01,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 16:05:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:01,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 16:05:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:02,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 16:05:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:02,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 16:05:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:02,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 16:05:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:02,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 16:05:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:02,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:02,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 16:05:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:02,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 16:05:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:02,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 16:05:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:02,042 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-10-11 16:05:02,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:05:02,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953342444] [2024-10-11 16:05:02,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953342444] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:05:02,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:05:02,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 16:05:02,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517249252] [2024-10-11 16:05:02,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:05:02,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 16:05:02,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:05:02,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 16:05:02,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 16:05:02,044 INFO L87 Difference]: Start difference. First operand 32707 states and 47531 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-11 16:05:05,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 16:05:05,859 INFO L93 Difference]: Finished difference Result 69777 states and 102037 transitions. [2024-10-11 16:05:05,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 16:05:05,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 164 [2024-10-11 16:05:05,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 16:05:06,051 INFO L225 Difference]: With dead ends: 69777 [2024-10-11 16:05:06,051 INFO L226 Difference]: Without dead ends: 37139 [2024-10-11 16:05:06,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 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 16:05:06,155 INFO L432 NwaCegarLoop]: 1416 mSDtfsCounter, 2673 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 1230 mSolverCounterSat, 1050 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2890 SdHoareTripleChecker+Valid, 2142 SdHoareTripleChecker+Invalid, 2280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1050 IncrementalHoareTripleChecker+Valid, 1230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-11 16:05:06,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2890 Valid, 2142 Invalid, 2280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1050 Valid, 1230 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-11 16:05:06,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37139 states. [2024-10-11 16:05:07,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37139 to 32707. [2024-10-11 16:05:07,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32707 states, 22545 states have (on average 1.3779995564426701) internal successors, (31067), 23087 states have internal predecessors, (31067), 8188 states have call successors, (8188), 2002 states have call predecessors, (8188), 1971 states have return successors, (8244), 7845 states have call predecessors, (8244), 8184 states have call successors, (8244) [2024-10-11 16:05:08,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32707 states to 32707 states and 47499 transitions. [2024-10-11 16:05:08,083 INFO L78 Accepts]: Start accepts. Automaton has 32707 states and 47499 transitions. Word has length 164 [2024-10-11 16:05:08,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 16:05:08,085 INFO L471 AbstractCegarLoop]: Abstraction has 32707 states and 47499 transitions. [2024-10-11 16:05:08,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-11 16:05:08,085 INFO L276 IsEmpty]: Start isEmpty. Operand 32707 states and 47499 transitions. [2024-10-11 16:05:08,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-10-11 16:05:08,087 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 16:05:08,087 INFO L215 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 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 16:05:08,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 16:05:08,088 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 16:05:08,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:05:08,088 INFO L85 PathProgramCache]: Analyzing trace with hash 794024604, now seen corresponding path program 1 times [2024-10-11 16:05:08,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:05:08,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635039675] [2024-10-11 16:05:08,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:05:08,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:05:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 16:05:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 16:05:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 16:05:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 16:05:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 16:05:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 16:05:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 16:05:08,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 16:05:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 16:05:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 16:05:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 16:05:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 16:05:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 16:05:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 16:05:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 16:05:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 16:05:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 16:05:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:08,677 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-10-11 16:05:08,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:05:08,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635039675] [2024-10-11 16:05:08,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635039675] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:05:08,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:05:08,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 16:05:08,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624029450] [2024-10-11 16:05:08,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:05:08,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 16:05:08,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:05:08,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 16:05:08,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 16:05:08,679 INFO L87 Difference]: Start difference. First operand 32707 states and 47499 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-11 16:05:12,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 16:05:12,183 INFO L93 Difference]: Finished difference Result 69745 states and 101941 transitions. [2024-10-11 16:05:12,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 16:05:12,184 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 164 [2024-10-11 16:05:12,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 16:05:12,387 INFO L225 Difference]: With dead ends: 69745 [2024-10-11 16:05:12,387 INFO L226 Difference]: Without dead ends: 37107 [2024-10-11 16:05:12,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 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 16:05:12,500 INFO L432 NwaCegarLoop]: 1411 mSDtfsCounter, 2666 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 1234 mSolverCounterSat, 1053 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2881 SdHoareTripleChecker+Valid, 2132 SdHoareTripleChecker+Invalid, 2287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1053 IncrementalHoareTripleChecker+Valid, 1234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-11 16:05:12,501 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2881 Valid, 2132 Invalid, 2287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1053 Valid, 1234 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-11 16:05:12,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37107 states. [2024-10-11 16:05:14,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37107 to 32675. [2024-10-11 16:05:14,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32675 states, 22513 states have (on average 1.3728512415049083) internal successors, (30907), 23055 states have internal predecessors, (30907), 8188 states have call successors, (8188), 2002 states have call predecessors, (8188), 1971 states have return successors, (8244), 7845 states have call predecessors, (8244), 8184 states have call successors, (8244) [2024-10-11 16:05:14,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32675 states to 32675 states and 47339 transitions. [2024-10-11 16:05:14,504 INFO L78 Accepts]: Start accepts. Automaton has 32675 states and 47339 transitions. Word has length 164 [2024-10-11 16:05:14,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 16:05:14,504 INFO L471 AbstractCegarLoop]: Abstraction has 32675 states and 47339 transitions. [2024-10-11 16:05:14,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-11 16:05:14,505 INFO L276 IsEmpty]: Start isEmpty. Operand 32675 states and 47339 transitions. [2024-10-11 16:05:14,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-10-11 16:05:14,507 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 16:05:14,507 INFO L215 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 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, 1, 1] [2024-10-11 16:05:14,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 16:05:14,507 INFO L396 AbstractCegarLoop]: === Iteration 9 === 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 16:05:14,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:05:14,508 INFO L85 PathProgramCache]: Analyzing trace with hash 65319511, now seen corresponding path program 1 times [2024-10-11 16:05:14,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:05:14,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390765937] [2024-10-11 16:05:14,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:05:14,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:05:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:14,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:14,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:14,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 16:05:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:14,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:14,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 16:05:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:14,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:14,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 16:05:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:14,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:14,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 16:05:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:14,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:14,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 16:05:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:14,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:14,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 16:05:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:14,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:15,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 16:05:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:15,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:15,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 16:05:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:15,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:15,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 16:05:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:15,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 16:05:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:15,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 16:05:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:15,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 16:05:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:15,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 16:05:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:15,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 16:05:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:15,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:05:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:15,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 16:05:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:15,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 16:05:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:15,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 16:05:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:05:15,062 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-10-11 16:05:15,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:05:15,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390765937] [2024-10-11 16:05:15,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390765937] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:05:15,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:05:15,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 16:05:15,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735886190] [2024-10-11 16:05:15,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:05:15,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 16:05:15,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:05:15,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 16:05:15,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 16:05:15,065 INFO L87 Difference]: Start difference. First operand 32675 states and 47339 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-11 16:05:20,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 16:05:20,992 INFO L93 Difference]: Finished difference Result 104789 states and 153203 transitions. [2024-10-11 16:05:20,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 16:05:20,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 166 [2024-10-11 16:05:20,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 16:05:21,397 INFO L225 Difference]: With dead ends: 104789 [2024-10-11 16:05:21,398 INFO L226 Difference]: Without dead ends: 72183 [2024-10-11 16:05:21,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 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 16:05:21,515 INFO L432 NwaCegarLoop]: 2198 mSDtfsCounter, 3211 mSDsluCounter, 2367 mSDsCounter, 0 mSdLazyCounter, 3014 mSolverCounterSat, 994 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3610 SdHoareTripleChecker+Valid, 4565 SdHoareTripleChecker+Invalid, 4008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 994 IncrementalHoareTripleChecker+Valid, 3014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-10-11 16:05:21,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3610 Valid, 4565 Invalid, 4008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [994 Valid, 3014 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-10-11 16:05:21,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72183 states.