./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 ed28fe99994604a1173e3d4f71ab5b1542eccb5293571b04f5dd99c12a84c046 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 19:55:29,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 19:55:29,523 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 19:55:29,528 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 19:55:29,528 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 19:55:29,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 19:55:29,543 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 19:55:29,543 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 19:55:29,544 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 19:55:29,544 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 19:55:29,544 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 19:55:29,545 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 19:55:29,545 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 19:55:29,545 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 19:55:29,545 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 19:55:29,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 19:55:29,546 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 19:55:29,546 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 19:55:29,546 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 19:55:29,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 19:55:29,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 19:55:29,546 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 19:55:29,546 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 19:55:29,546 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 19:55:29,546 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 19:55:29,547 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 19:55:29,547 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 19:55:29,547 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 19:55:29,547 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 19:55:29,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 19:55:29,547 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 19:55:29,547 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 19:55:29,547 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 19:55:29,548 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 19:55:29,548 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 19:55:29,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 19:55:29,548 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 19:55:29,548 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 19:55:29,548 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 19:55:29,548 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 19:55:29,548 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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/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 -> ed28fe99994604a1173e3d4f71ab5b1542eccb5293571b04f5dd99c12a84c046 [2025-03-08 19:55:29,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 19:55:29,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 19:55:29,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 19:55:29,764 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 19:55:29,764 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 19:55:29,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2025-03-08 19:55:30,890 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba732133d/f61c7c1a23b14ab58e601f204b4a600a/FLAG4a39a671d [2025-03-08 19:55:31,318 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 19:55:31,319 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2025-03-08 19:55:31,354 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba732133d/f61c7c1a23b14ab58e601f204b4a600a/FLAG4a39a671d [2025-03-08 19:55:31,368 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba732133d/f61c7c1a23b14ab58e601f204b4a600a [2025-03-08 19:55:31,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 19:55:31,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 19:55:31,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 19:55:31,373 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 19:55:31,376 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 19:55:31,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 07:55:31" (1/1) ... [2025-03-08 19:55:31,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eff8fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:55:31, skipping insertion in model container [2025-03-08 19:55:31,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 07:55:31" (1/1) ... [2025-03-08 19:55:31,457 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 19:55:32,542 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i[275280,275293] [2025-03-08 19:55:32,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 19:55:32,616 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 19:55:32,737 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"); [6231] [2025-03-08 19:55:32,738 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)); [6238] [2025-03-08 19:55:32,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [6251] [2025-03-08 19:55:32,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [6371] [2025-03-08 19:55:32,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6424] [2025-03-08 19:55:32,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6431] [2025-03-08 19:55:32,752 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)); [6570-6571] [2025-03-08 19:55:32,753 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)); [6599-6600] [2025-03-08 19:55:32,755 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" (108), "i" (12UL)); [6629-6630] [2025-03-08 19:55:32,755 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" (120), "i" (12UL)); [6659-6660] [2025-03-08 19:55:32,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6965] [2025-03-08 19:55:32,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6976] [2025-03-08 19:55:32,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6987] [2025-03-08 19:55:32,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7204] [2025-03-08 19:55:32,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7207] [2025-03-08 19:55:32,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7268] [2025-03-08 19:55:32,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7271] [2025-03-08 19:55:32,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7274] [2025-03-08 19:55:32,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7295] [2025-03-08 19:55:32,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7300] [2025-03-08 19:55:32,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7303] [2025-03-08 19:55:32,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7313] [2025-03-08 19:55:32,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7354] [2025-03-08 19:55:32,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7359] [2025-03-08 19:55:32,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7366] [2025-03-08 19:55:32,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7375] [2025-03-08 19:55:32,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7400] [2025-03-08 19:55:32,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7466] [2025-03-08 19:55:32,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7527] [2025-03-08 19:55:32,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7530] [2025-03-08 19:55:32,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7562] [2025-03-08 19:55:32,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7633] [2025-03-08 19:55:32,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7651] [2025-03-08 19:55:32,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7657] [2025-03-08 19:55:32,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7674] [2025-03-08 19:55:32,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7684] [2025-03-08 19:55:32,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7690] [2025-03-08 19:55:32,799 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7696] [2025-03-08 19:55:32,799 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7702] [2025-03-08 19:55:32,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7741] [2025-03-08 19:55:32,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7747] [2025-03-08 19:55:32,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7753] [2025-03-08 19:55:32,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7771] [2025-03-08 19:55:32,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7852] [2025-03-08 19:55:32,807 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7918] [2025-03-08 19:55:32,808 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7936] [2025-03-08 19:55:32,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8018] [2025-03-08 19:55:32,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8080] [2025-03-08 19:55:32,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8345] [2025-03-08 19:55:32,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8404] [2025-03-08 19:55:32,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8406] [2025-03-08 19:55:32,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8414] [2025-03-08 19:55:32,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8451] [2025-03-08 19:55:32,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8453] [2025-03-08 19:55:32,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8470] [2025-03-08 19:55:32,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [8605] [2025-03-08 19:55:32,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [8608] [2025-03-08 19:55:32,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [8611] [2025-03-08 19:55:32,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [8614] [2025-03-08 19:55:32,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [8617] [2025-03-08 19:55:32,845 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i[275280,275293] [2025-03-08 19:55:32,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 19:55:32,929 INFO L204 MainTranslator]: Completed translation [2025-03-08 19:55:32,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:55:32 WrapperNode [2025-03-08 19:55:32,930 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 19:55:32,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 19:55:32,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 19:55:32,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 19:55:32,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:55:32" (1/1) ... [2025-03-08 19:55:32,976 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:55:32" (1/1) ... [2025-03-08 19:55:33,081 INFO L138 Inliner]: procedures = 223, calls = 1333, calls flagged for inlining = 123, calls inlined = 120, statements flattened = 4081 [2025-03-08 19:55:33,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 19:55:33,082 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 19:55:33,082 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 19:55:33,082 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 19:55:33,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:55:32" (1/1) ... [2025-03-08 19:55:33,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:55:32" (1/1) ... [2025-03-08 19:55:33,109 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:55:32" (1/1) ... [2025-03-08 19:55:33,415 INFO L175 MemorySlicer]: Split 625 memory accesses to 10 slices as follows [2, 6, 8, 455, 8, 5, 4, 5, 43, 89]. 73 percent of accesses are in the largest equivalence class. The 46 initializations are split as follows [2, 0, 8, 8, 8, 0, 0, 0, 0, 20]. The 306 writes are split as follows [0, 1, 0, 189, 0, 0, 1, 3, 43, 69]. [2025-03-08 19:55:33,416 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:55:32" (1/1) ... [2025-03-08 19:55:33,416 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:55:32" (1/1) ... [2025-03-08 19:55:33,481 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:55:32" (1/1) ... [2025-03-08 19:55:33,488 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:55:32" (1/1) ... [2025-03-08 19:55:33,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:55:32" (1/1) ... [2025-03-08 19:55:33,520 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:55:32" (1/1) ... [2025-03-08 19:55:33,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 19:55:33,545 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 19:55:33,545 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 19:55:33,545 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 19:55:33,545 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:55:32" (1/1) ... [2025-03-08 19:55:33,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 19:55:33,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:55:33,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 19:55:33,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 19:55:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2025-03-08 19:55:33,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2025-03-08 19:55:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-08 19:55:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-08 19:55:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-08 19:55:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-08 19:55:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-08 19:55:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-08 19:55:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-08 19:55:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-08 19:55:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-08 19:55:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-08 19:55:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2025-03-08 19:55:33,624 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2025-03-08 19:55:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 19:55:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 19:55:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 19:55:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 19:55:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 19:55:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 19:55:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 19:55:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 19:55:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 19:55:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-08 19:55:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2025-03-08 19:55:33,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2025-03-08 19:55:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-08 19:55:33,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-08 19:55:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-03-08 19:55:33,624 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-03-08 19:55:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2025-03-08 19:55:33,624 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2025-03-08 19:55:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2025-03-08 19:55:33,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2025-03-08 19:55:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-08 19:55:33,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-08 19:55:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-08 19:55:33,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-08 19:55:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2025-03-08 19:55:33,625 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2025-03-08 19:55:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2025-03-08 19:55:33,625 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2025-03-08 19:55:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-08 19:55:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-08 19:55:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-08 19:55:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-08 19:55:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-08 19:55:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-08 19:55:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-08 19:55:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-08 19:55:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-08 19:55:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-08 19:55:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-08 19:55:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-08 19:55:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-08 19:55:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-08 19:55:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-08 19:55:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-08 19:55:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-08 19:55:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-08 19:55:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-08 19:55:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-08 19:55:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 19:55:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 19:55:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-03-08 19:55:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-03-08 19:55:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2025-03-08 19:55:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2025-03-08 19:55:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure rr_init1 [2025-03-08 19:55:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_init1 [2025-03-08 19:55:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2025-03-08 19:55:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2025-03-08 19:55:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2025-03-08 19:55:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2025-03-08 19:55:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 19:55:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure rr_ioctl [2025-03-08 19:55:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_ioctl [2025-03-08 19:55:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 19:55:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 19:55:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 19:55:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 19:55:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 19:55:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 19:55:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 19:55:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 19:55:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 19:55:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 19:55:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2025-03-08 19:55:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2025-03-08 19:55:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2025-03-08 19:55:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2025-03-08 19:55:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-03-08 19:55:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-03-08 19:55:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2025-03-08 19:55:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2025-03-08 19:55:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 19:55:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-08 19:55:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-08 19:55:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2025-03-08 19:55:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2025-03-08 19:55:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2025-03-08 19:55:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2025-03-08 19:55:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2025-03-08 19:55:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2025-03-08 19:55:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure set_rraddr [2025-03-08 19:55:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rraddr [2025-03-08 19:55:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2025-03-08 19:55:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2025-03-08 19:55:33,628 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-03-08 19:55:33,628 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-03-08 19:55:33,628 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom_word [2025-03-08 19:55:33,628 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom_word [2025-03-08 19:55:33,628 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_mac_addr [2025-03-08 19:55:33,628 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_mac_addr [2025-03-08 19:55:33,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-08 19:55:33,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-08 19:55:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-08 19:55:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-08 19:55:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-08 19:55:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-08 19:55:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-08 19:55:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-08 19:55:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-08 19:55:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-08 19:55:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2025-03-08 19:55:33,629 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2025-03-08 19:55:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom [2025-03-08 19:55:33,629 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom [2025-03-08 19:55:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 19:55:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 19:55:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 19:55:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 19:55:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 19:55:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 19:55:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 19:55:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 19:55:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 19:55:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 19:55:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 19:55:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 19:55:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 19:55:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 19:55:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 19:55:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 19:55:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 19:55:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 19:55:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 19:55:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 19:55:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-03-08 19:55:33,630 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-03-08 19:55:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2025-03-08 19:55:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2025-03-08 19:55:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-08 19:55:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-08 19:55:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-08 19:55:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-08 19:55:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-08 19:55:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-08 19:55:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-08 19:55:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-08 19:55:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-03-08 19:55:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2025-03-08 19:55:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-08 19:55:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-08 19:55:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-08 19:55:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-08 19:55:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-08 19:55:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-08 19:55:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-08 19:55:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-08 19:55:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-03-08 19:55:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2025-03-08 19:55:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2025-03-08 19:55:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2025-03-08 19:55:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_change_mtu [2025-03-08 19:55:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_change_mtu [2025-03-08 19:55:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-08 19:55:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-08 19:55:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2025-03-08 19:55:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2025-03-08 19:55:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 19:55:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 19:55:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 19:55:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 19:55:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 19:55:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 19:55:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 19:55:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 19:55:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 19:55:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 19:55:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-08 19:55:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-08 19:55:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2025-03-08 19:55:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2025-03-08 19:55:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 19:55:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2025-03-08 19:55:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2025-03-08 19:55:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 19:55:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-03-08 19:55:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-03-08 19:55:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 19:55:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 19:55:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 19:55:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 19:55:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 19:55:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 19:55:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 19:55:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 19:55:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 19:55:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 19:55:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2025-03-08 19:55:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2025-03-08 19:55:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2025-03-08 19:55:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2025-03-08 19:55:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_tx [2025-03-08 19:55:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_tx [2025-03-08 19:55:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2025-03-08 19:55:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2025-03-08 19:55:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2025-03-08 19:55:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2025-03-08 19:55:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2025-03-08 19:55:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2025-03-08 19:55:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2025-03-08 19:55:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2025-03-08 19:55:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2025-03-08 19:55:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2025-03-08 19:55:33,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 19:55:33,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 19:55:33,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 19:55:33,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 19:55:33,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 19:55:33,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 19:55:33,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 19:55:33,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 19:55:33,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 19:55:33,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 19:55:33,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 19:55:33,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 19:55:33,634 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_rx [2025-03-08 19:55:33,634 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_rx [2025-03-08 19:55:34,142 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 19:55:34,145 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 19:55:34,192 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6549: havoc #t~mem96.base, #t~mem96.offset; [2025-03-08 19:55:34,245 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-08 19:55:34,253 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9428: havoc #t~nondet781; [2025-03-08 19:55:34,292 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9493: havoc #t~nondet788; [2025-03-08 19:55:34,592 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9480: havoc dma_alloc_attrs_#t~ret787#1.base, dma_alloc_attrs_#t~ret787#1.offset; [2025-03-08 19:55:35,028 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7449: call ULTIMATE.dealloc(~#cmd~0#1.base, ~#cmd~0#1.offset);havoc ~#cmd~0#1.base, ~#cmd~0#1.offset; [2025-03-08 19:55:35,280 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9435: havoc _copy_from_user_#t~nondet782#1; [2025-03-08 19:55:35,281 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9439: havoc _copy_to_user_#t~nondet783#1; [2025-03-08 19:55:35,565 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9501: havoc hippi_type_trans_#t~nondet790#1; [2025-03-08 19:55:35,565 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9526: havoc netif_rx_#t~nondet795#1; [2025-03-08 19:55:35,565 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6245: havoc constant_test_bit_#t~mem1#1;havoc constant_test_bit_#t~bitwise2#1; [2025-03-08 19:55:35,660 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9567: havoc #t~nondet801; [2025-03-08 19:55:35,662 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9458: havoc #t~nondet785; [2025-03-08 19:55:35,672 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6870: havoc #t~mem190.base, #t~mem190.offset; [2025-03-08 19:55:35,683 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7319: call ULTIMATE.dealloc(~#word~0.base, ~#word~0.offset);havoc ~#word~0.base, ~#word~0.offset; [2025-03-08 19:55:35,686 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9497: havoc #t~nondet789; [2025-03-08 19:55:45,297 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6479: havoc dev_get_drvdata_#t~mem48#1.base, dev_get_drvdata_#t~mem48#1.offset; [2025-03-08 19:55:45,297 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9519: havoc ldv_shutdown_3_#t~nondet793#1; [2025-03-08 19:55:45,297 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9454: havoc alloc_hippi_dev_#t~ret784#1.base, alloc_hippi_dev_#t~ret784#1.offset; [2025-03-08 19:55:45,297 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8862: call ULTIMATE.dealloc(main_~#ldvarg3~0#1.base, main_~#ldvarg3~0#1.offset);havoc main_~#ldvarg3~0#1.base, main_~#ldvarg3~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset);havoc main_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset; [2025-03-08 19:55:45,297 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9424: havoc __pci_register_driver_#t~nondet780#1; [2025-03-08 19:55:45,297 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9557: havoc pci_request_regions_#t~nondet800#1; [2025-03-08 19:55:45,297 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6258: havoc __fswab16_#t~bitwise3#1; [2025-03-08 19:55:45,297 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8044: call ULTIMATE.dealloc(rr_open_~#dma_addr~0#1.base, rr_open_~#dma_addr~0#1.offset);havoc rr_open_~#dma_addr~0#1.base, rr_open_~#dma_addr~0#1.offset; [2025-03-08 19:55:45,297 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9533: havoc pci_bus_read_config_byte_#t~nondet796#1; [2025-03-08 19:55:45,297 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9537: havoc pci_bus_write_config_byte_#t~nondet797#1; [2025-03-08 19:55:45,297 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9571: havoc register_netdev_#t~nondet802#1; [2025-03-08 19:55:45,297 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7031: call ULTIMATE.dealloc(rr_init_one_~#pci_latency~0#1.base, rr_init_one_~#pci_latency~0#1.offset);havoc rr_init_one_~#pci_latency~0#1.base, rr_init_one_~#pci_latency~0#1.offset;call ULTIMATE.dealloc(rr_init_one_~#ring_dma~0#1.base, rr_init_one_~#ring_dma~0#1.offset);havoc rr_init_one_~#ring_dma~0#1.base, rr_init_one_~#ring_dma~0#1.offset;call ULTIMATE.dealloc(rr_init_one_~#__key~0#1.base, rr_init_one_~#__key~0#1.offset);havoc rr_init_one_~#__key~0#1.base, rr_init_one_~#__key~0#1.offset; [2025-03-08 19:55:45,298 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9575: havoc request_threaded_irq_#t~nondet803#1; [2025-03-08 19:55:45,298 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9477: havoc del_timer_sync_#t~nondet786#1; [2025-03-08 19:55:45,298 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9544: havoc pci_enable_device_#t~nondet798#1; [2025-03-08 19:55:45,298 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9511: havoc ldv_ndo_init_4_#t~nondet791#1; [2025-03-08 19:55:45,298 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9578: havoc skb_push_#t~ret804#1.base, skb_push_#t~ret804#1.offset; [2025-03-08 19:55:45,298 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6805: havoc skb_headroom_#t~mem173#1.base, skb_headroom_#t~mem173#1.offset;havoc skb_headroom_#t~mem174#1.base, skb_headroom_#t~mem174#1.offset; [2025-03-08 19:55:45,298 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9547: havoc pci_iomap_#t~ret799#1.base, pci_iomap_#t~ret799#1.offset; [2025-03-08 19:55:45,298 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9515: havoc ldv_ndo_uninit_4_#t~nondet792#1; [2025-03-08 19:55:45,771 INFO L? ?]: Removed 1833 outVars from TransFormulas that were not future-live. [2025-03-08 19:55:45,773 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 19:55:45,831 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 19:55:45,832 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-08 19:55:45,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:55:45 BoogieIcfgContainer [2025-03-08 19:55:45,833 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 19:55:45,834 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 19:55:45,834 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 19:55:45,837 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 19:55:45,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 07:55:31" (1/3) ... [2025-03-08 19:55:45,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d75bc28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 07:55:45, skipping insertion in model container [2025-03-08 19:55:45,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:55:32" (2/3) ... [2025-03-08 19:55:45,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d75bc28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 07:55:45, skipping insertion in model container [2025-03-08 19:55:45,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:55:45" (3/3) ... [2025-03-08 19:55:45,840 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2025-03-08 19:55:45,851 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 19:55:45,854 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i that has 73 procedures, 1524 locations, 1 initial locations, 30 loop locations, and 1 error locations. [2025-03-08 19:55:45,921 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 19:55:45,929 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;@3bd524ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 19:55:45,930 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 19:55:45,936 INFO L276 IsEmpty]: Start isEmpty. Operand has 1446 states, 959 states have (on average 1.3096976016684045) internal successors, (1256), 984 states have internal predecessors, (1256), 431 states have call successors, (431), 55 states have call predecessors, (431), 54 states have return successors, (425), 415 states have call predecessors, (425), 425 states have call successors, (425) [2025-03-08 19:55:45,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-03-08 19:55:45,948 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:55:45,948 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2025-03-08 19:55:45,949 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:55:45,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:55:45,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1215812732, now seen corresponding path program 1 times [2025-03-08 19:55:45,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:55:45,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758039017] [2025-03-08 19:55:45,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:55:45,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:55:49,332 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-08 19:55:49,533 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-08 19:55:49,535 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:55:49,536 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:55:49,878 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2025-03-08 19:55:49,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:55:49,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758039017] [2025-03-08 19:55:49,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758039017] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 19:55:49,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397175274] [2025-03-08 19:55:49,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:55:49,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 19:55:49,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:55:49,882 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 19:55:49,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 19:55:53,332 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-08 19:55:53,582 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-08 19:55:53,582 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:55:53,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:55:53,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 19:55:53,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 19:55:53,619 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-03-08 19:55:53,620 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 19:55:53,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1397175274] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:55:53,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 19:55:53,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 19:55:53,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101315541] [2025-03-08 19:55:53,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:55:53,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 19:55:53,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:55:53,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 19:55:53,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 19:55:53,647 INFO L87 Difference]: Start difference. First operand has 1446 states, 959 states have (on average 1.3096976016684045) internal successors, (1256), 984 states have internal predecessors, (1256), 431 states have call successors, (431), 55 states have call predecessors, (431), 54 states have return successors, (425), 415 states have call predecessors, (425), 425 states have call successors, (425) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-03-08 19:55:54,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:55:54,061 INFO L93 Difference]: Finished difference Result 2885 states and 4271 transitions. [2025-03-08 19:55:54,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 19:55:54,063 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 118 [2025-03-08 19:55:54,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:55:54,076 INFO L225 Difference]: With dead ends: 2885 [2025-03-08 19:55:54,076 INFO L226 Difference]: Without dead ends: 1423 [2025-03-08 19:55:54,086 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 19:55:54,088 INFO L435 NwaCegarLoop]: 2055 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2055 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 19:55:54,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2055 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 19:55:54,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1423 states. [2025-03-08 19:55:54,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1423 to 1423. [2025-03-08 19:55:54,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1423 states, 945 states have (on average 1.2804232804232805) internal successors, (1210), 962 states have internal predecessors, (1210), 424 states have call successors, (424), 54 states have call predecessors, (424), 53 states have return successors, (423), 413 states have call predecessors, (423), 423 states have call successors, (423) [2025-03-08 19:55:54,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1423 states and 2057 transitions. [2025-03-08 19:55:54,194 INFO L78 Accepts]: Start accepts. Automaton has 1423 states and 2057 transitions. Word has length 118 [2025-03-08 19:55:54,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:55:54,195 INFO L471 AbstractCegarLoop]: Abstraction has 1423 states and 2057 transitions. [2025-03-08 19:55:54,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-03-08 19:55:54,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 2057 transitions. [2025-03-08 19:55:54,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-03-08 19:55:54,199 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:55:54,199 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2025-03-08 19:55:54,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 19:55:54,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-08 19:55:54,403 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:55:54,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:55:54,404 INFO L85 PathProgramCache]: Analyzing trace with hash 37851784, now seen corresponding path program 1 times [2025-03-08 19:55:54,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:55:54,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11181096] [2025-03-08 19:55:54,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:55:54,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:55:57,416 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-08 19:55:57,496 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-08 19:55:57,496 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:55:57,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:55:57,823 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2025-03-08 19:55:57,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:55:57,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11181096] [2025-03-08 19:55:57,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11181096] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:55:57,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:55:57,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:55:57,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996190450] [2025-03-08 19:55:57,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:55:57,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:55:57,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:55:57,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:55:57,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:55:57,827 INFO L87 Difference]: Start difference. First operand 1423 states and 2057 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-08 19:55:58,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:55:58,906 INFO L93 Difference]: Finished difference Result 3775 states and 5442 transitions. [2025-03-08 19:55:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:55:58,907 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 118 [2025-03-08 19:55:58,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:55:58,924 INFO L225 Difference]: With dead ends: 3775 [2025-03-08 19:55:58,924 INFO L226 Difference]: Without dead ends: 2376 [2025-03-08 19:55:58,930 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:55:58,931 INFO L435 NwaCegarLoop]: 2033 mSDtfsCounter, 1402 mSDsluCounter, 1928 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1402 SdHoareTripleChecker+Valid, 3961 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-08 19:55:58,931 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1402 Valid, 3961 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-08 19:55:58,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2376 states. [2025-03-08 19:55:59,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2376 to 2366. [2025-03-08 19:55:59,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2366 states, 1570 states have (on average 1.2777070063694267) internal successors, (2006), 1606 states have internal predecessors, (2006), 700 states have call successors, (700), 96 states have call predecessors, (700), 95 states have return successors, (699), 676 states have call predecessors, (699), 699 states have call successors, (699) [2025-03-08 19:55:59,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2366 states to 2366 states and 3405 transitions. [2025-03-08 19:55:59,048 INFO L78 Accepts]: Start accepts. Automaton has 2366 states and 3405 transitions. Word has length 118 [2025-03-08 19:55:59,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:55:59,049 INFO L471 AbstractCegarLoop]: Abstraction has 2366 states and 3405 transitions. [2025-03-08 19:55:59,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-08 19:55:59,049 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 3405 transitions. [2025-03-08 19:55:59,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-03-08 19:55:59,051 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:55:59,052 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:55:59,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 19:55:59,052 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:55:59,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:55:59,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1789424169, now seen corresponding path program 1 times [2025-03-08 19:55:59,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:55:59,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023267700] [2025-03-08 19:55:59,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:55:59,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:56:02,135 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-03-08 19:56:02,201 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-03-08 19:56:02,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:56:02,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:56:02,856 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-03-08 19:56:02,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:56:02,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023267700] [2025-03-08 19:56:02,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023267700] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:56:02,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:56:02,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 19:56:02,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261160235] [2025-03-08 19:56:02,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:56:02,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 19:56:02,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:56:02,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 19:56:02,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:56:02,857 INFO L87 Difference]: Start difference. First operand 2366 states and 3405 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2025-03-08 19:56:04,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:56:04,711 INFO L93 Difference]: Finished difference Result 7060 states and 10164 transitions. [2025-03-08 19:56:04,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 19:56:04,712 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 143 [2025-03-08 19:56:04,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:56:04,742 INFO L225 Difference]: With dead ends: 7060 [2025-03-08 19:56:04,742 INFO L226 Difference]: Without dead ends: 4718 [2025-03-08 19:56:04,756 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-08 19:56:04,756 INFO L435 NwaCegarLoop]: 2031 mSDtfsCounter, 2032 mSDsluCounter, 6039 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2033 SdHoareTripleChecker+Valid, 8070 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-03-08 19:56:04,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2033 Valid, 8070 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-03-08 19:56:04,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4718 states. [2025-03-08 19:56:04,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4718 to 4703. [2025-03-08 19:56:04,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4703 states, 3120 states have (on average 1.2775641025641025) internal successors, (3986), 3200 states have internal predecessors, (3986), 1392 states have call successors, (1392), 191 states have call predecessors, (1392), 190 states have return successors, (1391), 1337 states have call predecessors, (1391), 1391 states have call successors, (1391) [2025-03-08 19:56:04,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4703 states to 4703 states and 6769 transitions. [2025-03-08 19:56:04,963 INFO L78 Accepts]: Start accepts. Automaton has 4703 states and 6769 transitions. Word has length 143 [2025-03-08 19:56:04,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:56:04,964 INFO L471 AbstractCegarLoop]: Abstraction has 4703 states and 6769 transitions. [2025-03-08 19:56:04,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2025-03-08 19:56:04,964 INFO L276 IsEmpty]: Start isEmpty. Operand 4703 states and 6769 transitions. [2025-03-08 19:56:04,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-03-08 19:56:04,971 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:56:04,971 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:56:04,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 19:56:04,971 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:56:04,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:56:04,972 INFO L85 PathProgramCache]: Analyzing trace with hash -550909926, now seen corresponding path program 1 times [2025-03-08 19:56:04,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:56:04,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969104263] [2025-03-08 19:56:04,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:56:04,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:56:07,996 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-03-08 19:56:08,069 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-03-08 19:56:08,069 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:56:08,069 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:56:08,744 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-03-08 19:56:08,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:56:08,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969104263] [2025-03-08 19:56:08,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969104263] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:56:08,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:56:08,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 19:56:08,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561405470] [2025-03-08 19:56:08,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:56:08,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 19:56:08,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:56:08,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 19:56:08,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:56:08,747 INFO L87 Difference]: Start difference. First operand 4703 states and 6769 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2025-03-08 19:56:10,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:56:10,670 INFO L93 Difference]: Finished difference Result 14088 states and 20277 transitions. [2025-03-08 19:56:10,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 19:56:10,670 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 145 [2025-03-08 19:56:10,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:56:10,737 INFO L225 Difference]: With dead ends: 14088 [2025-03-08 19:56:10,738 INFO L226 Difference]: Without dead ends: 9409 [2025-03-08 19:56:10,769 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-08 19:56:10,771 INFO L435 NwaCegarLoop]: 2024 mSDtfsCounter, 2034 mSDsluCounter, 6024 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2035 SdHoareTripleChecker+Valid, 8048 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-03-08 19:56:10,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2035 Valid, 8048 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-03-08 19:56:10,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9409 states. [2025-03-08 19:56:11,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9409 to 9386. [2025-03-08 19:56:11,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9386 states, 6231 states have (on average 1.277162574225646) internal successors, (7958), 6389 states have internal predecessors, (7958), 2774 states have call successors, (2774), 381 states have call predecessors, (2774), 380 states have return successors, (2773), 2667 states have call predecessors, (2773), 2773 states have call successors, (2773) [2025-03-08 19:56:11,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9386 states to 9386 states and 13505 transitions. [2025-03-08 19:56:11,287 INFO L78 Accepts]: Start accepts. Automaton has 9386 states and 13505 transitions. Word has length 145 [2025-03-08 19:56:11,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:56:11,288 INFO L471 AbstractCegarLoop]: Abstraction has 9386 states and 13505 transitions. [2025-03-08 19:56:11,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2025-03-08 19:56:11,288 INFO L276 IsEmpty]: Start isEmpty. Operand 9386 states and 13505 transitions. [2025-03-08 19:56:11,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-03-08 19:56:11,294 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:56:11,294 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:56:11,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 19:56:11,294 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:56:11,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:56:11,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1192191009, now seen corresponding path program 1 times [2025-03-08 19:56:11,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:56:11,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711457153] [2025-03-08 19:56:11,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:56:11,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:56:14,213 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-08 19:56:14,334 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-08 19:56:14,335 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:56:14,335 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:56:14,848 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-03-08 19:56:14,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:56:14,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711457153] [2025-03-08 19:56:14,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711457153] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:56:14,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:56:14,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 19:56:14,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009094755] [2025-03-08 19:56:14,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:56:14,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 19:56:14,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:56:14,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 19:56:14,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:56:14,849 INFO L87 Difference]: Start difference. First operand 9386 states and 13505 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2025-03-08 19:56:16,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:56:16,894 INFO L93 Difference]: Finished difference Result 28166 states and 40519 transitions. [2025-03-08 19:56:16,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 19:56:16,895 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 146 [2025-03-08 19:56:16,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:56:17,097 INFO L225 Difference]: With dead ends: 28166 [2025-03-08 19:56:17,099 INFO L226 Difference]: Without dead ends: 18804 [2025-03-08 19:56:17,159 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-08 19:56:17,164 INFO L435 NwaCegarLoop]: 2022 mSDtfsCounter, 2035 mSDsluCounter, 6020 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2036 SdHoareTripleChecker+Valid, 8042 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-03-08 19:56:17,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2036 Valid, 8042 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-03-08 19:56:17,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18804 states. [2025-03-08 19:56:17,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18804 to 18761. [2025-03-08 19:56:17,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18761 states, 12462 states have (on average 1.2766811105761515) internal successors, (15910), 12774 states have internal predecessors, (15910), 5536 states have call successors, (5536), 763 states have call predecessors, (5536), 762 states have return successors, (5535), 5327 states have call predecessors, (5535), 5535 states have call successors, (5535) [2025-03-08 19:56:17,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18761 states to 18761 states and 26981 transitions. [2025-03-08 19:56:18,017 INFO L78 Accepts]: Start accepts. Automaton has 18761 states and 26981 transitions. Word has length 146 [2025-03-08 19:56:18,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:56:18,018 INFO L471 AbstractCegarLoop]: Abstraction has 18761 states and 26981 transitions. [2025-03-08 19:56:18,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2025-03-08 19:56:18,019 INFO L276 IsEmpty]: Start isEmpty. Operand 18761 states and 26981 transitions. [2025-03-08 19:56:18,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-03-08 19:56:18,023 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:56:18,023 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:56:18,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 19:56:18,023 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:56:18,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:56:18,024 INFO L85 PathProgramCache]: Analyzing trace with hash -983483586, now seen corresponding path program 1 times [2025-03-08 19:56:18,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:56:18,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620124617] [2025-03-08 19:56:18,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:56:18,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:56:21,207 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-03-08 19:56:21,267 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-03-08 19:56:21,267 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:56:21,267 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:56:21,793 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-03-08 19:56:21,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:56:21,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620124617] [2025-03-08 19:56:21,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620124617] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:56:21,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:56:21,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 19:56:21,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92525316] [2025-03-08 19:56:21,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:56:21,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 19:56:21,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:56:21,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 19:56:21,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:56:21,796 INFO L87 Difference]: Start difference. First operand 18761 states and 26981 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2025-03-08 19:56:24,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:56:24,028 INFO L93 Difference]: Finished difference Result 55729 states and 80088 transitions. [2025-03-08 19:56:24,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 19:56:24,028 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 144 [2025-03-08 19:56:24,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:56:24,224 INFO L225 Difference]: With dead ends: 55729 [2025-03-08 19:56:24,224 INFO L226 Difference]: Without dead ends: 36992 [2025-03-08 19:56:24,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-08 19:56:24,310 INFO L435 NwaCegarLoop]: 2026 mSDtfsCounter, 2033 mSDsluCounter, 6028 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2034 SdHoareTripleChecker+Valid, 8054 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-08 19:56:24,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2034 Valid, 8054 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-08 19:56:24,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36992 states. [2025-03-08 19:56:25,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36992 to 36911. [2025-03-08 19:56:25,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36911 states, 24500 states have (on average 1.2751020408163265) internal successors, (31240), 25088 states have internal predecessors, (31240), 10887 states have call successors, (10887), 1524 states have call predecessors, (10887), 1523 states have return successors, (10886), 10498 states have call predecessors, (10886), 10886 states have call successors, (10886) [2025-03-08 19:56:26,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36911 states to 36911 states and 53013 transitions. [2025-03-08 19:56:26,160 INFO L78 Accepts]: Start accepts. Automaton has 36911 states and 53013 transitions. Word has length 144 [2025-03-08 19:56:26,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:56:26,161 INFO L471 AbstractCegarLoop]: Abstraction has 36911 states and 53013 transitions. [2025-03-08 19:56:26,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2025-03-08 19:56:26,161 INFO L276 IsEmpty]: Start isEmpty. Operand 36911 states and 53013 transitions. [2025-03-08 19:56:26,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-03-08 19:56:26,164 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:56:26,165 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:56:26,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 19:56:26,165 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:56:26,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:56:26,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1688545499, now seen corresponding path program 1 times [2025-03-08 19:56:26,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:56:26,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605170324] [2025-03-08 19:56:26,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:56:26,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:56:29,555 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-03-08 19:56:29,608 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-03-08 19:56:29,608 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:56:29,608 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:56:30,672 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-03-08 19:56:30,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:56:30,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605170324] [2025-03-08 19:56:30,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605170324] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 19:56:30,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639832079] [2025-03-08 19:56:30,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:56:30,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 19:56:30,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:56:30,674 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 19:56:30,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 19:56:34,065 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-03-08 19:56:34,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-03-08 19:56:34,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:56:34,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:56:34,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 3062 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-08 19:56:34,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 19:56:34,493 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2025-03-08 19:56:34,493 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 19:56:34,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639832079] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:56:34,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 19:56:34,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2025-03-08 19:56:34,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559910201] [2025-03-08 19:56:34,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:56:34,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:56:34,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:56:34,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:56:34,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-08 19:56:34,494 INFO L87 Difference]: Start difference. First operand 36911 states and 53013 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-03-08 19:56:35,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:56:35,524 INFO L93 Difference]: Finished difference Result 36946 states and 53079 transitions. [2025-03-08 19:56:35,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:56:35,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 156 [2025-03-08 19:56:35,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:56:35,673 INFO L225 Difference]: With dead ends: 36946 [2025-03-08 19:56:35,673 INFO L226 Difference]: Without dead ends: 36943 [2025-03-08 19:56:35,690 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-08 19:56:35,691 INFO L435 NwaCegarLoop]: 2024 mSDtfsCounter, 0 mSDsluCounter, 2019 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4043 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-08 19:56:35,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4043 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-08 19:56:35,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36943 states. [2025-03-08 19:56:36,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36943 to 36943. [2025-03-08 19:56:36,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36943 states, 24532 states have (on average 1.2747431925648134) internal successors, (31272), 25120 states have internal predecessors, (31272), 10887 states have call successors, (10887), 1524 states have call predecessors, (10887), 1523 states have return successors, (10886), 10498 states have call predecessors, (10886), 10886 states have call successors, (10886) [2025-03-08 19:56:37,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36943 states to 36943 states and 53045 transitions. [2025-03-08 19:56:37,057 INFO L78 Accepts]: Start accepts. Automaton has 36943 states and 53045 transitions. Word has length 156 [2025-03-08 19:56:37,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:56:37,058 INFO L471 AbstractCegarLoop]: Abstraction has 36943 states and 53045 transitions. [2025-03-08 19:56:37,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-03-08 19:56:37,058 INFO L276 IsEmpty]: Start isEmpty. Operand 36943 states and 53045 transitions. [2025-03-08 19:56:37,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-03-08 19:56:37,061 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:56:37,062 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:56:37,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-08 19:56:37,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2025-03-08 19:56:37,263 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:56:37,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:56:37,263 INFO L85 PathProgramCache]: Analyzing trace with hash 712950471, now seen corresponding path program 1 times [2025-03-08 19:56:37,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:56:37,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865637512] [2025-03-08 19:56:37,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:56:37,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:56:40,879 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-08 19:56:40,921 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-08 19:56:40,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:56:40,922 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:56:41,853 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-03-08 19:56:41,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:56:41,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865637512] [2025-03-08 19:56:41,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865637512] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 19:56:41,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147002519] [2025-03-08 19:56:41,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:56:41,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 19:56:41,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:56:41,855 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 19:56:41,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 19:56:45,366 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-08 19:56:45,593 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-08 19:56:45,593 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:56:45,593 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:56:45,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 3067 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-08 19:56:45,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 19:56:46,486 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-03-08 19:56:46,486 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 19:56:46,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147002519] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:56:46,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 19:56:46,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2025-03-08 19:56:46,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228724675] [2025-03-08 19:56:46,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:56:46,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 19:56:46,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:56:46,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 19:56:46,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-08 19:56:46,488 INFO L87 Difference]: Start difference. First operand 36943 states and 53045 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15)