./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 c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/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-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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-?-c00e63d-m [2025-02-06 07:10:14,529 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 07:10:14,596 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 07:10:14,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 07:10:14,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 07:10:14,623 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 07:10:14,625 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 07:10:14,625 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 07:10:14,625 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 07:10:14,626 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 07:10:14,626 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 07:10:14,627 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 07:10:14,627 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 07:10:14,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 07:10:14,627 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 07:10:14,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 07:10:14,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 07:10:14,628 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 07:10:14,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 07:10:14,628 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 07:10:14,628 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 07:10:14,628 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 07:10:14,628 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 07:10:14,628 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 07:10:14,628 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 07:10:14,628 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 07:10:14,629 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 07:10:14,629 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 07:10:14,629 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 07:10:14,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 07:10:14,629 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 07:10:14,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 07:10:14,630 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 07:10:14,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 07:10:14,630 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 07:10:14,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 07:10:14,630 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 07:10:14,630 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 07:10:14,630 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 07:10:14,630 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 07:10:14,631 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-jdk21/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 [2025-02-06 07:10:14,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 07:10:14,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 07:10:14,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 07:10:14,910 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 07:10:14,910 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 07:10:14,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2025-02-06 07:10:16,198 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/25e5a4977/6d52eaf71c7b4196a5c1ce1ab8794145/FLAGf7bb4ada6 [2025-02-06 07:10:16,745 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 07:10:16,747 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2025-02-06 07:10:16,793 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/25e5a4977/6d52eaf71c7b4196a5c1ce1ab8794145/FLAGf7bb4ada6 [2025-02-06 07:10:17,270 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/25e5a4977/6d52eaf71c7b4196a5c1ce1ab8794145 [2025-02-06 07:10:17,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 07:10:17,274 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 07:10:17,275 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 07:10:17,275 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 07:10:17,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 07:10:17,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:10:17" (1/1) ... [2025-02-06 07:10:17,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e8e7021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:10:17, skipping insertion in model container [2025-02-06 07:10:17,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:10:17" (1/1) ... [2025-02-06 07:10:17,378 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 07:10:18,944 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/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] [2025-02-06 07:10:18,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 07:10:19,012 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 07:10:19,104 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] [2025-02-06 07:10:19,105 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] [2025-02-06 07:10:19,107 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [6251] [2025-02-06 07:10:19,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [6371] [2025-02-06 07:10:19,114 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6424] [2025-02-06 07:10:19,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6431] [2025-02-06 07:10:19,130 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] [2025-02-06 07:10:19,133 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] [2025-02-06 07:10:19,135 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] [2025-02-06 07:10:19,136 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] [2025-02-06 07:10:19,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6965] [2025-02-06 07:10:19,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6976] [2025-02-06 07:10:19,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6987] [2025-02-06 07:10:19,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7204] [2025-02-06 07:10:19,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7207] [2025-02-06 07:10:19,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7268] [2025-02-06 07:10:19,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7271] [2025-02-06 07:10:19,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7274] [2025-02-06 07:10:19,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7295] [2025-02-06 07:10:19,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7300] [2025-02-06 07:10:19,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7303] [2025-02-06 07:10:19,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7313] [2025-02-06 07:10:19,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7354] [2025-02-06 07:10:19,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7359] [2025-02-06 07:10:19,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7366] [2025-02-06 07:10:19,179 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7375] [2025-02-06 07:10:19,179 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7400] [2025-02-06 07:10:19,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7466] [2025-02-06 07:10:19,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7527] [2025-02-06 07:10:19,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7530] [2025-02-06 07:10:19,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7562] [2025-02-06 07:10:19,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7633] [2025-02-06 07:10:19,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7651] [2025-02-06 07:10:19,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7657] [2025-02-06 07:10:19,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7674] [2025-02-06 07:10:19,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7684] [2025-02-06 07:10:19,200 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7690] [2025-02-06 07:10:19,200 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7696] [2025-02-06 07:10:19,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7702] [2025-02-06 07:10:19,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7741] [2025-02-06 07:10:19,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7747] [2025-02-06 07:10:19,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7753] [2025-02-06 07:10:19,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7771] [2025-02-06 07:10:19,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7852] [2025-02-06 07:10:19,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7918] [2025-02-06 07:10:19,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7936] [2025-02-06 07:10:19,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8018] [2025-02-06 07:10:19,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8080] [2025-02-06 07:10:19,293 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8345] [2025-02-06 07:10:19,300 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8404] [2025-02-06 07:10:19,300 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8406] [2025-02-06 07:10:19,301 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8414] [2025-02-06 07:10:19,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8451] [2025-02-06 07:10:19,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8453] [2025-02-06 07:10:19,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8470] [2025-02-06 07:10:19,309 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] [2025-02-06 07:10:19,310 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] [2025-02-06 07:10:19,310 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] [2025-02-06 07:10:19,310 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] [2025-02-06 07:10:19,311 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] [2025-02-06 07:10:19,327 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/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] [2025-02-06 07:10:19,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 07:10:19,430 INFO L204 MainTranslator]: Completed translation [2025-02-06 07:10:19,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:10:19 WrapperNode [2025-02-06 07:10:19,431 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 07:10:19,433 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 07:10:19,434 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 07:10:19,434 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 07:10:19,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:10:19" (1/1) ... [2025-02-06 07:10:19,496 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:10:19" (1/1) ... [2025-02-06 07:10:19,655 INFO L138 Inliner]: procedures = 223, calls = 1333, calls flagged for inlining = 123, calls inlined = 120, statements flattened = 4081 [2025-02-06 07:10:19,655 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 07:10:19,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 07:10:19,657 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 07:10:19,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 07:10:19,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:10:19" (1/1) ... [2025-02-06 07:10:19,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:10:19" (1/1) ... [2025-02-06 07:10:19,686 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:10:19" (1/1) ... [2025-02-06 07:10:20,231 INFO L175 MemorySlicer]: Split 625 memory accesses to 10 slices as follows [2, 6, 455, 8, 4, 8, 5, 5, 43, 89]. 73 percent of accesses are in the largest equivalence class. The 46 initializations are split as follows [2, 0, 8, 8, 0, 8, 0, 0, 0, 20]. The 306 writes are split as follows [0, 1, 189, 0, 1, 0, 0, 3, 43, 69]. [2025-02-06 07:10:20,231 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:10:19" (1/1) ... [2025-02-06 07:10:20,232 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:10:19" (1/1) ... [2025-02-06 07:10:20,321 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:10:19" (1/1) ... [2025-02-06 07:10:20,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:10:19" (1/1) ... [2025-02-06 07:10:20,359 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:10:19" (1/1) ... [2025-02-06 07:10:20,373 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:10:19" (1/1) ... [2025-02-06 07:10:20,406 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 07:10:20,408 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 07:10:20,408 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 07:10:20,408 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 07:10:20,409 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:10:19" (1/1) ... [2025-02-06 07:10:20,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 07:10:20,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 07:10:20,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 07:10:20,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 07:10:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2025-02-06 07:10:20,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2025-02-06 07:10:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-02-06 07:10:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-02-06 07:10:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-02-06 07:10:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-02-06 07:10:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-02-06 07:10:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-02-06 07:10:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-02-06 07:10:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-02-06 07:10:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-02-06 07:10:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-02-06 07:10:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2025-02-06 07:10:20,472 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2025-02-06 07:10:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 07:10:20,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 07:10:20,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 07:10:20,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 07:10:20,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 07:10:20,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 07:10:20,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 07:10:20,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-06 07:10:20,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-02-06 07:10:20,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-02-06 07:10:20,474 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2025-02-06 07:10:20,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2025-02-06 07:10:20,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-02-06 07:10:20,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-02-06 07:10:20,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-02-06 07:10:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-02-06 07:10:20,475 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2025-02-06 07:10:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2025-02-06 07:10:20,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2025-02-06 07:10:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2025-02-06 07:10:20,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-02-06 07:10:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-02-06 07:10:20,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-02-06 07:10:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-02-06 07:10:20,475 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2025-02-06 07:10:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2025-02-06 07:10:20,476 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2025-02-06 07:10:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2025-02-06 07:10:20,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 07:10:20,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 07:10:20,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-06 07:10:20,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-06 07:10:20,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-06 07:10:20,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-02-06 07:10:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-02-06 07:10:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-02-06 07:10:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-02-06 07:10:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-02-06 07:10:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 07:10:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 07:10:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-06 07:10:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-06 07:10:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-06 07:10:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-02-06 07:10:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-02-06 07:10:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-02-06 07:10:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-02-06 07:10:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-02-06 07:10:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 07:10:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 07:10:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-02-06 07:10:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-02-06 07:10:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2025-02-06 07:10:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2025-02-06 07:10:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure rr_init1 [2025-02-06 07:10:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_init1 [2025-02-06 07:10:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2025-02-06 07:10:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2025-02-06 07:10:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2025-02-06 07:10:20,478 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2025-02-06 07:10:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 07:10:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure rr_ioctl [2025-02-06 07:10:20,478 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_ioctl [2025-02-06 07:10:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 07:10:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 07:10:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 07:10:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 07:10:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 07:10:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 07:10:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 07:10:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-06 07:10:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-06 07:10:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-02-06 07:10:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2025-02-06 07:10:20,478 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2025-02-06 07:10:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2025-02-06 07:10:20,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2025-02-06 07:10:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-02-06 07:10:20,478 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-02-06 07:10:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2025-02-06 07:10:20,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2025-02-06 07:10:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 07:10:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-02-06 07:10:20,480 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-02-06 07:10:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2025-02-06 07:10:20,481 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2025-02-06 07:10:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2025-02-06 07:10:20,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2025-02-06 07:10:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2025-02-06 07:10:20,482 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2025-02-06 07:10:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure set_rraddr [2025-02-06 07:10:20,482 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rraddr [2025-02-06 07:10:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2025-02-06 07:10:20,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2025-02-06 07:10:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-02-06 07:10:20,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-02-06 07:10:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom_word [2025-02-06 07:10:20,482 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom_word [2025-02-06 07:10:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_mac_addr [2025-02-06 07:10:20,482 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_mac_addr [2025-02-06 07:10:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-02-06 07:10:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-02-06 07:10:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-02-06 07:10:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-02-06 07:10:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-02-06 07:10:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-02-06 07:10:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-02-06 07:10:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-02-06 07:10:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-02-06 07:10:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-02-06 07:10:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2025-02-06 07:10:20,482 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2025-02-06 07:10:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom [2025-02-06 07:10:20,482 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom [2025-02-06 07:10:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 07:10:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 07:10:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 07:10:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-02-06 07:10:20,483 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2025-02-06 07:10:20,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-02-06 07:10:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2025-02-06 07:10:20,483 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-02-06 07:10:20,483 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-02-06 07:10:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-02-06 07:10:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-02-06 07:10:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-02-06 07:10:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-02-06 07:10:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-02-06 07:10:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-02-06 07:10:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-02-06 07:10:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2025-02-06 07:10:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2025-02-06 07:10:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2025-02-06 07:10:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_change_mtu [2025-02-06 07:10:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_change_mtu [2025-02-06 07:10:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-02-06 07:10:20,486 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-02-06 07:10:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2025-02-06 07:10:20,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2025-02-06 07:10:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 07:10:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 07:10:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 07:10:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 07:10:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 07:10:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 07:10:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 07:10:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-06 07:10:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-06 07:10:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-06 07:10:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-02-06 07:10:20,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-02-06 07:10:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2025-02-06 07:10:20,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2025-02-06 07:10:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 07:10:20,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2025-02-06 07:10:20,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2025-02-06 07:10:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 07:10:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-02-06 07:10:20,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-02-06 07:10:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 07:10:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 07:10:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 07:10:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 07:10:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 07:10:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 07:10:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 07:10:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-06 07:10:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-02-06 07:10:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-02-06 07:10:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2025-02-06 07:10:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2025-02-06 07:10:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2025-02-06 07:10:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2025-02-06 07:10:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_tx [2025-02-06 07:10:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_tx [2025-02-06 07:10:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2025-02-06 07:10:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2025-02-06 07:10:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2025-02-06 07:10:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2025-02-06 07:10:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2025-02-06 07:10:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2025-02-06 07:10:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2025-02-06 07:10:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2025-02-06 07:10:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2025-02-06 07:10:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2025-02-06 07:10:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 07:10:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 07:10:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 07:10:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 07:10:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 07:10:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 07:10:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 07:10:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-06 07:10:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-06 07:10:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-06 07:10:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 07:10:20,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 07:10:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_rx [2025-02-06 07:10:20,492 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_rx [2025-02-06 07:10:21,218 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 07:10:21,221 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 07:10:21,260 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6549: havoc #t~mem96.base, #t~mem96.offset; [2025-02-06 07:10:21,325 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-02-06 07:10:21,337 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9428: havoc #t~nondet781; [2025-02-06 07:10:21,397 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9493: havoc #t~nondet788; [2025-02-06 07:10:21,783 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9480: havoc dma_alloc_attrs_#t~ret787#1.base, dma_alloc_attrs_#t~ret787#1.offset; [2025-02-06 07:10:22,438 INFO L1309 $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; [2025-02-06 07:10:22,807 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9435: havoc _copy_from_user_#t~nondet782#1; [2025-02-06 07:10:22,807 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9439: havoc _copy_to_user_#t~nondet783#1; [2025-02-06 07:10:23,197 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9501: havoc hippi_type_trans_#t~nondet790#1; [2025-02-06 07:10:23,198 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9526: havoc netif_rx_#t~nondet795#1; [2025-02-06 07:10:23,198 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6245: havoc constant_test_bit_#t~mem1#1;havoc constant_test_bit_#t~bitwise2#1; [2025-02-06 07:10:23,244 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9567: havoc #t~nondet801; [2025-02-06 07:10:23,247 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9458: havoc #t~nondet785; [2025-02-06 07:10:23,267 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6870: havoc #t~mem190.base, #t~mem190.offset; [2025-02-06 07:10:23,274 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7319: call ULTIMATE.dealloc(~#word~0.base, ~#word~0.offset);havoc ~#word~0.base, ~#word~0.offset; [2025-02-06 07:10:23,277 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9497: havoc #t~nondet789; [2025-02-06 07:10:33,657 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6479: havoc dev_get_drvdata_#t~mem48#1.base, dev_get_drvdata_#t~mem48#1.offset; [2025-02-06 07:10:33,658 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9519: havoc ldv_shutdown_3_#t~nondet793#1; [2025-02-06 07:10:33,658 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9454: havoc alloc_hippi_dev_#t~ret784#1.base, alloc_hippi_dev_#t~ret784#1.offset; [2025-02-06 07:10:33,658 INFO L1309 $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; [2025-02-06 07:10:33,658 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9424: havoc __pci_register_driver_#t~nondet780#1; [2025-02-06 07:10:33,658 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9557: havoc pci_request_regions_#t~nondet800#1; [2025-02-06 07:10:33,658 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6258: havoc __fswab16_#t~bitwise3#1; [2025-02-06 07:10:33,658 INFO L1309 $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; [2025-02-06 07:10:33,658 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9533: havoc pci_bus_read_config_byte_#t~nondet796#1; [2025-02-06 07:10:33,658 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9537: havoc pci_bus_write_config_byte_#t~nondet797#1; [2025-02-06 07:10:33,658 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9571: havoc register_netdev_#t~nondet802#1; [2025-02-06 07:10:33,658 INFO L1309 $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; [2025-02-06 07:10:33,658 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9575: havoc request_threaded_irq_#t~nondet803#1; [2025-02-06 07:10:33,658 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9477: havoc del_timer_sync_#t~nondet786#1; [2025-02-06 07:10:33,658 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9544: havoc pci_enable_device_#t~nondet798#1; [2025-02-06 07:10:33,658 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9511: havoc ldv_ndo_init_4_#t~nondet791#1; [2025-02-06 07:10:33,658 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9578: havoc skb_push_#t~ret804#1.base, skb_push_#t~ret804#1.offset; [2025-02-06 07:10:33,658 INFO L1309 $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; [2025-02-06 07:10:33,658 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9547: havoc pci_iomap_#t~ret799#1.base, pci_iomap_#t~ret799#1.offset; [2025-02-06 07:10:33,659 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9515: havoc ldv_ndo_uninit_4_#t~nondet792#1; [2025-02-06 07:10:34,290 INFO L? ?]: Removed 1833 outVars from TransFormulas that were not future-live. [2025-02-06 07:10:34,293 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 07:10:34,364 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 07:10:34,365 INFO L337 CfgBuilder]: Removed 1 assume(true) statements. [2025-02-06 07:10:34,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:10:34 BoogieIcfgContainer [2025-02-06 07:10:34,365 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 07:10:34,371 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 07:10:34,372 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 07:10:34,376 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 07:10:34,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 07:10:17" (1/3) ... [2025-02-06 07:10:34,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3198c980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 07:10:34, skipping insertion in model container [2025-02-06 07:10:34,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:10:19" (2/3) ... [2025-02-06 07:10:34,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3198c980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 07:10:34, skipping insertion in model container [2025-02-06 07:10:34,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:10:34" (3/3) ... [2025-02-06 07:10:34,379 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2025-02-06 07:10:34,394 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 07:10:34,397 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. [2025-02-06 07:10:34,485 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 07:10:34,495 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;@3605b99b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 07:10:34,495 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 07:10:34,504 INFO L276 IsEmpty]: Start isEmpty. Operand has 1450 states, 959 states have (on average 1.3096976016684045) internal successors, (1256), 988 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) [2025-02-06 07:10:34,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-02-06 07:10:34,518 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:10:34,518 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, 1, 1] [2025-02-06 07:10:34,518 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 07:10:34,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:10:34,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1317731492, now seen corresponding path program 1 times [2025-02-06 07:10:34,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:10:34,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418414982] [2025-02-06 07:10:34,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:10:34,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:10:39,298 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-06 07:10:39,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-06 07:10:39,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:10:39,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:10:40,052 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2025-02-06 07:10:40,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:10:40,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418414982] [2025-02-06 07:10:40,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418414982] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 07:10:40,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295756478] [2025-02-06 07:10:40,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:10:40,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 07:10:40,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 07:10:40,057 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 07:10:40,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 07:10:44,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-06 07:10:45,025 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-06 07:10:45,026 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:10:45,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:10:45,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 2840 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 07:10:45,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 07:10:45,071 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-02-06 07:10:45,072 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 07:10:45,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295756478] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:10:45,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 07:10:45,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 07:10:45,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631740309] [2025-02-06 07:10:45,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:10:45,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 07:10:45,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:10:45,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 07:10:45,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 07:10:45,102 INFO L87 Difference]: Start difference. First operand has 1450 states, 959 states have (on average 1.3096976016684045) internal successors, (1256), 988 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 26.5) internal successors, (53), 2 states have internal predecessors, (53), 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) [2025-02-06 07:10:45,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:10:45,580 INFO L93 Difference]: Finished difference Result 2893 states and 4271 transitions. [2025-02-06 07:10:45,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 07:10:45,582 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 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 120 [2025-02-06 07:10:45,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:10:45,613 INFO L225 Difference]: With dead ends: 2893 [2025-02-06 07:10:45,614 INFO L226 Difference]: Without dead ends: 1423 [2025-02-06 07:10:45,629 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 07:10:45,632 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 [2025-02-06 07:10:45,633 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] [2025-02-06 07:10:45,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1423 states. [2025-02-06 07:10:45,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1423 to 1423. [2025-02-06 07:10:45,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1423 states, 945 states have (on average 1.276190476190476) internal successors, (1206), 962 states have internal predecessors, (1206), 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) [2025-02-06 07:10:45,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1423 states and 2053 transitions. [2025-02-06 07:10:45,842 INFO L78 Accepts]: Start accepts. Automaton has 1423 states and 2053 transitions. Word has length 120 [2025-02-06 07:10:45,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:10:45,843 INFO L471 AbstractCegarLoop]: Abstraction has 1423 states and 2053 transitions. [2025-02-06 07:10:45,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 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) [2025-02-06 07:10:45,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 2053 transitions. [2025-02-06 07:10:45,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-02-06 07:10:45,854 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:10:45,854 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, 1] [2025-02-06 07:10:45,870 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 07:10:46,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 07:10:46,055 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 07:10:46,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:10:46,056 INFO L85 PathProgramCache]: Analyzing trace with hash -317264373, now seen corresponding path program 1 times [2025-02-06 07:10:46,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:10:46,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964389771] [2025-02-06 07:10:46,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:10:46,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:10:49,475 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-02-06 07:10:49,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-02-06 07:10:49,573 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:10:49,573 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:10:49,931 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2025-02-06 07:10:49,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:10:49,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964389771] [2025-02-06 07:10:49,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964389771] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:10:49,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:10:49,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 07:10:49,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794804076] [2025-02-06 07:10:49,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:10:49,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 07:10:49,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:10:49,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 07:10:49,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 07:10:49,933 INFO L87 Difference]: Start difference. First operand 1423 states and 2053 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2025-02-06 07:10:51,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:10:51,498 INFO L93 Difference]: Finished difference Result 3775 states and 5430 transitions. [2025-02-06 07:10:51,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 07:10:51,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 119 [2025-02-06 07:10:51,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:10:51,520 INFO L225 Difference]: With dead ends: 3775 [2025-02-06 07:10:51,520 INFO L226 Difference]: Without dead ends: 2375 [2025-02-06 07:10:51,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 07:10:51,529 INFO L435 NwaCegarLoop]: 2030 mSDtfsCounter, 1398 mSDsluCounter, 1925 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1398 SdHoareTripleChecker+Valid, 3955 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-02-06 07:10:51,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1398 Valid, 3955 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-02-06 07:10:51,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2375 states. [2025-02-06 07:10:51,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2375 to 2365. [2025-02-06 07:10:51,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2365 states, 1569 states have (on average 1.272785213511791) internal successors, (1997), 1605 states have internal predecessors, (1997), 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) [2025-02-06 07:10:51,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2365 states to 2365 states and 3396 transitions. [2025-02-06 07:10:51,715 INFO L78 Accepts]: Start accepts. Automaton has 2365 states and 3396 transitions. Word has length 119 [2025-02-06 07:10:51,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:10:51,716 INFO L471 AbstractCegarLoop]: Abstraction has 2365 states and 3396 transitions. [2025-02-06 07:10:51,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2025-02-06 07:10:51,717 INFO L276 IsEmpty]: Start isEmpty. Operand 2365 states and 3396 transitions. [2025-02-06 07:10:51,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-02-06 07:10:51,720 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:10:51,720 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] [2025-02-06 07:10:51,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 07:10:51,721 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 07:10:51,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:10:51,721 INFO L85 PathProgramCache]: Analyzing trace with hash -983483586, now seen corresponding path program 1 times [2025-02-06 07:10:51,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:10:51,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224005753] [2025-02-06 07:10:51,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:10:51,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:10:55,454 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-02-06 07:10:55,599 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-02-06 07:10:55,603 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:10:55,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:10:56,659 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-02-06 07:10:56,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:10:56,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224005753] [2025-02-06 07:10:56,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224005753] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:10:56,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:10:56,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 07:10:56,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386735692] [2025-02-06 07:10:56,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:10:56,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 07:10:56,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:10:56,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 07:10:56,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 07:10:56,661 INFO L87 Difference]: Start difference. First operand 2365 states and 3396 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) [2025-02-06 07:10:59,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:10:59,013 INFO L93 Difference]: Finished difference Result 7047 states and 10126 transitions. [2025-02-06 07:10:59,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 07:10:59,014 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 [2025-02-06 07:10:59,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:10:59,051 INFO L225 Difference]: With dead ends: 7047 [2025-02-06 07:10:59,051 INFO L226 Difference]: Without dead ends: 4700 [2025-02-06 07:10:59,066 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 07:10:59,068 INFO L435 NwaCegarLoop]: 2021 mSDtfsCounter, 2024 mSDsluCounter, 6016 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2024 SdHoareTripleChecker+Valid, 8037 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-02-06 07:10:59,068 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2024 Valid, 8037 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-02-06 07:10:59,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4700 states. [2025-02-06 07:10:59,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4700 to 4697. [2025-02-06 07:10:59,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4697 states, 3118 states have (on average 1.27228992944195) internal successors, (3967), 3190 states have internal predecessors, (3967), 1390 states have call successors, (1390), 189 states have call predecessors, (1390), 188 states have return successors, (1389), 1343 states have call predecessors, (1389), 1389 states have call successors, (1389) [2025-02-06 07:10:59,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4697 states to 4697 states and 6746 transitions. [2025-02-06 07:10:59,338 INFO L78 Accepts]: Start accepts. Automaton has 4697 states and 6746 transitions. Word has length 144 [2025-02-06 07:10:59,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:10:59,338 INFO L471 AbstractCegarLoop]: Abstraction has 4697 states and 6746 transitions. [2025-02-06 07:10:59,339 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) [2025-02-06 07:10:59,339 INFO L276 IsEmpty]: Start isEmpty. Operand 4697 states and 6746 transitions. [2025-02-06 07:10:59,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-02-06 07:10:59,345 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:10:59,345 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] [2025-02-06 07:10:59,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 07:10:59,346 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 07:10:59,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:10:59,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1192191009, now seen corresponding path program 1 times [2025-02-06 07:10:59,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:10:59,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905530037] [2025-02-06 07:10:59,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:10:59,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:11:02,738 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-02-06 07:11:02,836 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-02-06 07:11:02,836 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:11:02,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:11:03,601 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-02-06 07:11:03,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:11:03,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905530037] [2025-02-06 07:11:03,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905530037] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:11:03,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:11:03,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 07:11:03,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587352137] [2025-02-06 07:11:03,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:11:03,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 07:11:03,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:11:03,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 07:11:03,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 07:11:03,603 INFO L87 Difference]: Start difference. First operand 4697 states and 6746 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) [2025-02-06 07:11:05,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:11:05,788 INFO L93 Difference]: Finished difference Result 14047 states and 20182 transitions. [2025-02-06 07:11:05,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 07:11:05,789 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 [2025-02-06 07:11:05,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:11:05,855 INFO L225 Difference]: With dead ends: 14047 [2025-02-06 07:11:05,856 INFO L226 Difference]: Without dead ends: 9362 [2025-02-06 07:11:05,885 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 07:11:05,888 INFO L435 NwaCegarLoop]: 2019 mSDtfsCounter, 2026 mSDsluCounter, 6012 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2026 SdHoareTripleChecker+Valid, 8031 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-02-06 07:11:05,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2026 Valid, 8031 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-02-06 07:11:05,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9362 states. [2025-02-06 07:11:06,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9362 to 9359. [2025-02-06 07:11:06,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9359 states, 6216 states have (on average 1.271879021879022) internal successors, (7906), 6360 states have internal predecessors, (7906), 2768 states have call successors, (2768), 375 states have call predecessors, (2768), 374 states have return successors, (2767), 2675 states have call predecessors, (2767), 2767 states have call successors, (2767) [2025-02-06 07:11:06,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9359 states to 9359 states and 13441 transitions. [2025-02-06 07:11:06,614 INFO L78 Accepts]: Start accepts. Automaton has 9359 states and 13441 transitions. Word has length 146 [2025-02-06 07:11:06,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:11:06,615 INFO L471 AbstractCegarLoop]: Abstraction has 9359 states and 13441 transitions. [2025-02-06 07:11:06,616 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) [2025-02-06 07:11:06,616 INFO L276 IsEmpty]: Start isEmpty. Operand 9359 states and 13441 transitions. [2025-02-06 07:11:06,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-02-06 07:11:06,622 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:11:06,622 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] [2025-02-06 07:11:06,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 07:11:06,622 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 07:11:06,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:11:06,623 INFO L85 PathProgramCache]: Analyzing trace with hash -550909926, now seen corresponding path program 1 times [2025-02-06 07:11:06,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:11:06,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464741812] [2025-02-06 07:11:06,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:11:06,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:11:09,986 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-02-06 07:11:10,082 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-02-06 07:11:10,082 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:11:10,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:11:10,896 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-02-06 07:11:10,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:11:10,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464741812] [2025-02-06 07:11:10,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464741812] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:11:10,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:11:10,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 07:11:10,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818108481] [2025-02-06 07:11:10,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:11:10,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 07:11:10,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:11:10,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 07:11:10,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 07:11:10,900 INFO L87 Difference]: Start difference. First operand 9359 states and 13441 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) [2025-02-06 07:11:12,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:11:12,904 INFO L93 Difference]: Finished difference Result 28035 states and 40268 transitions. [2025-02-06 07:11:12,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 07:11:12,905 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 [2025-02-06 07:11:12,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:11:13,042 INFO L225 Difference]: With dead ends: 28035 [2025-02-06 07:11:13,042 INFO L226 Difference]: Without dead ends: 18676 [2025-02-06 07:11:13,098 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 07:11:13,100 INFO L435 NwaCegarLoop]: 2024 mSDtfsCounter, 2025 mSDsluCounter, 6021 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2025 SdHoareTripleChecker+Valid, 8045 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-02-06 07:11:13,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2025 Valid, 8045 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-02-06 07:11:13,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18676 states. [2025-02-06 07:11:14,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18676 to 18673. [2025-02-06 07:11:14,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18673 states, 12406 states have (on average 1.2711591165565048) internal successors, (15770), 12694 states have internal predecessors, (15770), 5520 states have call successors, (5520), 747 states have call predecessors, (5520), 746 states have return successors, (5519), 5335 states have call predecessors, (5519), 5519 states have call successors, (5519) [2025-02-06 07:11:14,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18673 states to 18673 states and 26809 transitions. [2025-02-06 07:11:14,312 INFO L78 Accepts]: Start accepts. Automaton has 18673 states and 26809 transitions. Word has length 145 [2025-02-06 07:11:14,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:11:14,313 INFO L471 AbstractCegarLoop]: Abstraction has 18673 states and 26809 transitions. [2025-02-06 07:11:14,314 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) [2025-02-06 07:11:14,314 INFO L276 IsEmpty]: Start isEmpty. Operand 18673 states and 26809 transitions. [2025-02-06 07:11:14,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-02-06 07:11:14,317 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:11:14,317 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] [2025-02-06 07:11:14,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 07:11:14,318 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 07:11:14,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:11:14,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1789424169, now seen corresponding path program 1 times [2025-02-06 07:11:14,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:11:14,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742657997] [2025-02-06 07:11:14,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:11:14,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:11:17,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-02-06 07:11:17,740 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-02-06 07:11:17,740 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:11:17,741 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:11:18,395 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-02-06 07:11:18,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:11:18,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742657997] [2025-02-06 07:11:18,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742657997] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:11:18,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:11:18,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 07:11:18,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467016106] [2025-02-06 07:11:18,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:11:18,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 07:11:18,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:11:18,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 07:11:18,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 07:11:18,399 INFO L87 Difference]: Start difference. First operand 18673 states and 26809 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) [2025-02-06 07:11:21,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:11:21,256 INFO L93 Difference]: Finished difference Result 55355 states and 79444 transitions. [2025-02-06 07:11:21,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 07:11:21,257 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 [2025-02-06 07:11:21,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:11:21,493 INFO L225 Difference]: With dead ends: 55355 [2025-02-06 07:11:21,493 INFO L226 Difference]: Without dead ends: 36658 [2025-02-06 07:11:21,608 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 07:11:21,609 INFO L435 NwaCegarLoop]: 2475 mSDtfsCounter, 2020 mSDsluCounter, 6914 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2020 SdHoareTripleChecker+Valid, 9389 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-02-06 07:11:21,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2020 Valid, 9389 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-02-06 07:11:21,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36658 states. [2025-02-06 07:11:23,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36658 to 36631. [2025-02-06 07:11:23,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36631 states, 24300 states have (on average 1.2695473251028806) internal successors, (30850), 24872 states have internal predecessors, (30850), 10847 states have call successors, (10847), 1484 states have call predecessors, (10847), 1483 states have return successors, (10846), 10474 states have call predecessors, (10846), 10846 states have call successors, (10846) [2025-02-06 07:11:23,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36631 states to 36631 states and 52543 transitions. [2025-02-06 07:11:23,857 INFO L78 Accepts]: Start accepts. Automaton has 36631 states and 52543 transitions. Word has length 143 [2025-02-06 07:11:23,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:11:23,858 INFO L471 AbstractCegarLoop]: Abstraction has 36631 states and 52543 transitions. [2025-02-06 07:11:23,858 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) [2025-02-06 07:11:23,858 INFO L276 IsEmpty]: Start isEmpty. Operand 36631 states and 52543 transitions. [2025-02-06 07:11:23,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2025-02-06 07:11:23,865 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:11:23,866 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 07:11:23,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 07:11:23,867 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 07:11:23,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:11:23,867 INFO L85 PathProgramCache]: Analyzing trace with hash -194431872, now seen corresponding path program 1 times [2025-02-06 07:11:23,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:11:23,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473679152] [2025-02-06 07:11:23,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:11:23,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:11:27,339 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 427 statements into 1 equivalence classes. [2025-02-06 07:11:27,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 427 of 427 statements. [2025-02-06 07:11:27,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:11:27,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:11:27,768 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2025-02-06 07:11:27,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:11:27,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473679152] [2025-02-06 07:11:27,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473679152] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:11:27,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:11:27,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 07:11:27,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091704191] [2025-02-06 07:11:27,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:11:27,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 07:11:27,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:11:27,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 07:11:27,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 07:11:27,770 INFO L87 Difference]: Start difference. First operand 36631 states and 52543 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39)