./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.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())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', 'f78e25bf76e2d1d395e5e41868c5ddb628a36f1efdf095bb509ea6a3a366617b'] 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.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 f78e25bf76e2d1d395e5e41868c5ddb628a36f1efdf095bb509ea6a3a366617b --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 13:00:24,169 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 13:00:24,255 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 13:00:24,260 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 13:00:24,260 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 13:00:24,291 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 13:00:24,293 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 13:00:24,293 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 13:00:24,294 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 13:00:24,294 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 13:00:24,294 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 13:00:24,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 13:00:24,295 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 13:00:24,295 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 13:00:24,295 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 13:00:24,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 13:00:24,296 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 13:00:24,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 13:00:24,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 13:00:24,296 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 13:00:24,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 13:00:24,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 13:00:24,296 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 13:00:24,296 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 13:00:24,296 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 13:00:24,297 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 13:00:24,297 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 13:00:24,297 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 13:00:24,297 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 13:00:24,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 13:00:24,297 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 13:00:24,297 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 13:00:24,297 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 13:00:24,297 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 13:00:24,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 13:00:24,297 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 13:00:24,298 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 13:00:24,298 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 13:00:24,298 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 13:00:24,298 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 -> f78e25bf76e2d1d395e5e41868c5ddb628a36f1efdf095bb509ea6a3a366617b [2024-11-07 13:00:24,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 13:00:24,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 13:00:24,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 13:00:24,586 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 13:00:24,587 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 13:00:24,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i [2024-11-07 13:00:25,889 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 13:00:26,354 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 13:00:26,356 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i [2024-11-07 13:00:26,400 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/86082966e/6deca136fd29402f8ed80a5bd4661352/FLAGa0671e44b [2024-11-07 13:00:26,419 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/86082966e/6deca136fd29402f8ed80a5bd4661352 [2024-11-07 13:00:26,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 13:00:26,423 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 13:00:26,425 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 13:00:26,425 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 13:00:26,430 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 13:00:26,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:00:26" (1/1) ... [2024-11-07 13:00:26,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@314f120a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:26, skipping insertion in model container [2024-11-07 13:00:26,433 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:00:26" (1/1) ... [2024-11-07 13:00:26,525 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 13:00:27,294 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i[162928,162941] [2024-11-07 13:00:27,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 13:00:27,765 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 13:00:27,885 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"); [5282] [2024-11-07 13:00:27,887 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)); [5289] [2024-11-07 13:00:27,887 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5297-5298] [2024-11-07 13:00:27,888 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5306-5307] [2024-11-07 13:00:27,889 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5320] [2024-11-07 13:00:27,892 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; incl %0": "+m" (v->counter)); [5383] [2024-11-07 13:00:27,893 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; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [5391-5392] [2024-11-07 13:00:27,912 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i[162928,162941] [2024-11-07 13:00:27,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5963] [2024-11-07 13:00:27,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5966] [2024-11-07 13:00:27,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5969] [2024-11-07 13:00:27,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5972] [2024-11-07 13:00:27,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [5975] [2024-11-07 13:00:27,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [5991-5992] [2024-11-07 13:00:27,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [5995-5996] [2024-11-07 13:00:27,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [5999-6000] [2024-11-07 13:00:27,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6003-6004] [2024-11-07 13:00:27,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [6007-6008] [2024-11-07 13:00:27,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6031-6032] [2024-11-07 13:00:27,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6035-6036] [2024-11-07 13:00:27,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6039-6040] [2024-11-07 13:00:27,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6043-6044] [2024-11-07 13:00:27,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [6047-6048] [2024-11-07 13:00:27,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6176] [2024-11-07 13:00:27,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6179] [2024-11-07 13:00:27,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6182] [2024-11-07 13:00:27,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6185] [2024-11-07 13:00:27,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [6188] [2024-11-07 13:00:27,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (p), "i" (4UL)); [6200-6201] [2024-11-07 13:00:27,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((u32 *)argp): "ebx"); [6218-6219] [2024-11-07 13:00:27,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((u32 *)argp): "ebx"); [6222-6223] [2024-11-07 13:00:27,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((u32 *)argp): "ebx"); [6226-6227] [2024-11-07 13:00:27,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((u32 *)argp): "ebx"); [6230-6231] [2024-11-07 13:00:27,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((u32 *)argp): "ebx"); [6234-6235] [2024-11-07 13:00:27,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___0), "=r" (__val_gu___0): "0" ((u32 *)argp), "i" (4UL)); [6247-6248] [2024-11-07 13:00:27,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((u32 *)argp): "ebx"); [6261-6262] [2024-11-07 13:00:27,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((u32 *)argp): "ebx"); [6265-6266] [2024-11-07 13:00:27,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((u32 *)argp): "ebx"); [6269-6270] [2024-11-07 13:00:27,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((u32 *)argp): "ebx"); [6273-6274] [2024-11-07 13:00:27,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((u32 *)argp): "ebx"); [6277-6278] [2024-11-07 13:00:27,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___1), "=r" (__val_gu___1): "0" ((u32 *)argp), "i" (4UL)); [6290-6291] [2024-11-07 13:00:27,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (p): "ebx"); [6328-6329] [2024-11-07 13:00:27,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (p): "ebx"); [6332-6333] [2024-11-07 13:00:27,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (p): "ebx"); [6336-6337] [2024-11-07 13:00:27,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (p): "ebx"); [6340-6341] [2024-11-07 13:00:27,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" (p): "ebx"); [6344-6345] [2024-11-07 13:00:27,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___2), "=r" (__val_gu___2): "0" (p), "i" (4UL)); [6357-6358] [2024-11-07 13:00:28,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 13:00:28,109 INFO L204 MainTranslator]: Completed translation [2024-11-07 13:00:28,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:28 WrapperNode [2024-11-07 13:00:28,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 13:00:28,112 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 13:00:28,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 13:00:28,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 13:00:28,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:28" (1/1) ... [2024-11-07 13:00:28,166 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:28" (1/1) ... [2024-11-07 13:00:28,363 INFO L138 Inliner]: procedures = 180, calls = 596, calls flagged for inlining = 99, calls inlined = 93, statements flattened = 2743 [2024-11-07 13:00:28,364 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 13:00:28,365 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 13:00:28,365 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 13:00:28,365 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 13:00:28,373 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:28" (1/1) ... [2024-11-07 13:00:28,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:28" (1/1) ... [2024-11-07 13:00:28,397 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:28" (1/1) ... [2024-11-07 13:00:28,666 INFO L175 MemorySlicer]: Split 317 memory accesses to 7 slices as follows [2, 28, 20, 229, 1, 24, 13]. 72 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 15, 6, 0, 0, 0]. The 152 writes are split as follows [0, 13, 2, 100, 0, 24, 13]. [2024-11-07 13:00:28,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:28" (1/1) ... [2024-11-07 13:00:28,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:28" (1/1) ... [2024-11-07 13:00:28,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:28" (1/1) ... [2024-11-07 13:00:28,767 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:28" (1/1) ... [2024-11-07 13:00:28,814 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:28" (1/1) ... [2024-11-07 13:00:28,833 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:28" (1/1) ... [2024-11-07 13:00:28,863 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 13:00:28,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 13:00:28,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 13:00:28,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 13:00:28,867 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:28" (1/1) ... [2024-11-07 13:00:28,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 13:00:28,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 13:00:28,901 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) [2024-11-07 13:00:28,905 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 [2024-11-07 13:00:28,924 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-07 13:00:28,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-07 13:00:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 13:00:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 13:00:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 13:00:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 13:00:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 13:00:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 13:00:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 13:00:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_async_push [2024-11-07 13:00:28,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_async_push [2024-11-07 13:00:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-11-07 13:00:28,928 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-11-07 13:00:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-07 13:00:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-07 13:00:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-07 13:00:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-07 13:00:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-07 13:00:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-07 13:00:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-07 13:00:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 13:00:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 13:00:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 13:00:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 13:00:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 13:00:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 13:00:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 13:00:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-07 13:00:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-07 13:00:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 13:00:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 13:00:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 13:00:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 13:00:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 13:00:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 13:00:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 13:00:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt_byte [2024-11-07 13:00:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt_byte [2024-11-07 13:00:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure ap_put [2024-11-07 13:00:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_put [2024-11-07 13:00:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2024-11-07 13:00:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2024-11-07 13:00:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-07 13:00:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-07 13:00:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-07 13:00:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-07 13:00:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-07 13:00:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-07 13:00:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-07 13:00:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-07 13:00:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-07 13:00:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-07 13:00:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-07 13:00:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-07 13:00:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-07 13:00:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-07 13:00:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2024-11-07 13:00:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2024-11-07 13:00:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-07 13:00:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-07 13:00:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_hangup [2024-11-07 13:00:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_hangup [2024-11-07 13:00:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-07 13:00:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-07 13:00:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-11-07 13:00:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-11-07 13:00:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2024-11-07 13:00:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2024-11-07 13:00:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2024-11-07 13:00:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2024-11-07 13:00:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-07 13:00:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-07 13:00:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 13:00:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 13:00:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 13:00:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 13:00:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 13:00:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 13:00:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 13:00:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-07 13:00:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-07 13:00:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-07 13:00:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-07 13:00:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-07 13:00:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-07 13:00:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 13:00:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 13:00:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_close [2024-11-07 13:00:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_close [2024-11-07 13:00:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 13:00:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_poll [2024-11-07 13:00:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_poll [2024-11-07 13:00:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-07 13:00:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-07 13:00:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-07 13:00:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-07 13:00:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 13:00:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 13:00:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 13:00:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 13:00:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 13:00:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 13:00:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 13:00:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 13:00:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 13:00:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-07 13:00:28,934 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-07 13:00:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure ap_get [2024-11-07 13:00:28,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_get [2024-11-07 13:00:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-11-07 13:00:28,936 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-11-07 13:00:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 13:00:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 13:00:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 13:00:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 13:00:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 13:00:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 13:00:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 13:00:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2024-11-07 13:00:28,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2024-11-07 13:00:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2024-11-07 13:00:28,936 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2024-11-07 13:00:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 13:00:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 13:00:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 13:00:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 13:00:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 13:00:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 13:00:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 13:00:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 13:00:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-07 13:00:28,936 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-07 13:00:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-07 13:00:28,936 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-07 13:00:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-07 13:00:28,936 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-07 13:00:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure async_lcp_peek [2024-11-07 13:00:28,936 INFO L138 BoogieDeclarations]: Found implementation of procedure async_lcp_peek [2024-11-07 13:00:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 13:00:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 13:00:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 13:00:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 13:00:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 13:00:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 13:00:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 13:00:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-11-07 13:00:28,937 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-11-07 13:00:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-07 13:00:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-07 13:00:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-07 13:00:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-07 13:00:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-07 13:00:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-07 13:00:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-07 13:00:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-07 13:00:28,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-07 13:00:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-07 13:00:28,937 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-07 13:00:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 13:00:28,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 13:00:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_asynctty_ioctl [2024-11-07 13:00:28,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_asynctty_ioctl [2024-11-07 13:00:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2024-11-07 13:00:28,937 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2024-11-07 13:00:29,467 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 13:00:29,470 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 13:00:30,053 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-07 13:00:40,148 INFO L? ?]: Removed 1327 outVars from TransFormulas that were not future-live. [2024-11-07 13:00:40,148 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 13:00:40,184 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 13:00:40,184 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-07 13:00:40,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:00:40 BoogieIcfgContainer [2024-11-07 13:00:40,185 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 13:00:40,191 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 13:00:40,192 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 13:00:40,197 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 13:00:40,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:00:26" (1/3) ... [2024-11-07 13:00:40,198 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@598904db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:00:40, skipping insertion in model container [2024-11-07 13:00:40,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:28" (2/3) ... [2024-11-07 13:00:40,198 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@598904db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:00:40, skipping insertion in model container [2024-11-07 13:00:40,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:00:40" (3/3) ... [2024-11-07 13:00:40,199 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_async.ko-entry_point.cil.out.i [2024-11-07 13:00:40,212 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 13:00:40,213 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 13:00:40,290 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 13:00:40,304 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;@6db4c294, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 13:00:40,304 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 13:00:40,313 INFO L276 IsEmpty]: Start isEmpty. Operand has 868 states, 710 states have (on average 1.4535211267605634) internal successors, (1032), 724 states have internal predecessors, (1032), 119 states have call successors, (119), 38 states have call predecessors, (119), 37 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2024-11-07 13:00:40,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-07 13:00:40,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:00:40,325 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 13:00:40,326 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:00:40,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:00:40,332 INFO L85 PathProgramCache]: Analyzing trace with hash 777758135, now seen corresponding path program 1 times [2024-11-07 13:00:40,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:00:40,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326974725] [2024-11-07 13:00:40,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:00:40,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:00:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:41,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:00:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:41,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 13:00:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:41,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 13:00:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:41,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 13:00:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:41,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 13:00:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:41,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 13:00:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:41,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 13:00:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:41,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 13:00:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:41,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 13:00:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:41,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 13:00:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:00:41,271 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-07 13:00:41,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:00:41,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326974725] [2024-11-07 13:00:41,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326974725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:00:41,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:00:41,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 13:00:41,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778814835] [2024-11-07 13:00:41,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:00:41,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 13:00:41,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:00:41,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 13:00:41,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 13:00:41,300 INFO L87 Difference]: Start difference. First operand has 868 states, 710 states have (on average 1.4535211267605634) internal successors, (1032), 724 states have internal predecessors, (1032), 119 states have call successors, (119), 38 states have call predecessors, (119), 37 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-07 13:00:45,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:00:49,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:00:55,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:00:59,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:01:00,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:01:00,049 INFO L93 Difference]: Finished difference Result 2701 states and 4030 transitions. [2024-11-07 13:01:00,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 13:01:00,052 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 78 [2024-11-07 13:01:00,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:01:00,087 INFO L225 Difference]: With dead ends: 2701 [2024-11-07 13:01:00,088 INFO L226 Difference]: Without dead ends: 1822 [2024-11-07 13:01:00,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 13:01:00,103 INFO L432 NwaCegarLoop]: 929 mSDtfsCounter, 1735 mSDsluCounter, 1353 mSDsCounter, 0 mSdLazyCounter, 1157 mSolverCounterSat, 292 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1836 SdHoareTripleChecker+Valid, 2282 SdHoareTripleChecker+Invalid, 1453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 292 IncrementalHoareTripleChecker+Valid, 1157 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2024-11-07 13:01:00,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1836 Valid, 2282 Invalid, 1453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [292 Valid, 1157 Invalid, 4 Unknown, 0 Unchecked, 18.5s Time] [2024-11-07 13:01:00,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2024-11-07 13:01:00,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1666. [2024-11-07 13:01:00,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1666 states, 1378 states have (on average 1.4339622641509433) internal successors, (1976), 1394 states have internal predecessors, (1976), 215 states have call successors, (215), 73 states have call predecessors, (215), 72 states have return successors, (214), 214 states have call predecessors, (214), 214 states have call successors, (214) [2024-11-07 13:01:00,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 2405 transitions. [2024-11-07 13:01:00,330 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 2405 transitions. Word has length 78 [2024-11-07 13:01:00,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:01:00,331 INFO L471 AbstractCegarLoop]: Abstraction has 1666 states and 2405 transitions. [2024-11-07 13:01:00,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-07 13:01:00,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 2405 transitions. [2024-11-07 13:01:00,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-07 13:01:00,339 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:01:00,339 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 13:01:00,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 13:01:00,340 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:01:00,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:01:00,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1614170695, now seen corresponding path program 1 times [2024-11-07 13:01:00,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:01:00,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317297453] [2024-11-07 13:01:00,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:01:00,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:01:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:01:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 13:01:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 13:01:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 13:01:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 13:01:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 13:01:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 13:01:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 13:01:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 13:01:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 13:01:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:00,876 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-07 13:01:00,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:01:00,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317297453] [2024-11-07 13:01:00,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317297453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:01:00,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:01:00,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 13:01:00,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72516975] [2024-11-07 13:01:00,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:01:00,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 13:01:00,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:01:00,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 13:01:00,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 13:01:00,881 INFO L87 Difference]: Start difference. First operand 1666 states and 2405 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-07 13:01:04,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:01:11,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:01:15,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:01:15,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:01:15,655 INFO L93 Difference]: Finished difference Result 5259 states and 7667 transitions. [2024-11-07 13:01:15,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 13:01:15,656 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 82 [2024-11-07 13:01:15,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:01:15,685 INFO L225 Difference]: With dead ends: 5259 [2024-11-07 13:01:15,685 INFO L226 Difference]: Without dead ends: 3609 [2024-11-07 13:01:15,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-07 13:01:15,694 INFO L432 NwaCegarLoop]: 929 mSDtfsCounter, 1765 mSDsluCounter, 3023 mSDsCounter, 0 mSdLazyCounter, 1995 mSolverCounterSat, 299 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1869 SdHoareTripleChecker+Valid, 3952 SdHoareTripleChecker+Invalid, 2297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 1995 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2024-11-07 13:01:15,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1869 Valid, 3952 Invalid, 2297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 1995 Invalid, 3 Unknown, 0 Unchecked, 14.5s Time] [2024-11-07 13:01:15,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3609 states. [2024-11-07 13:01:15,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3609 to 3345. [2024-11-07 13:01:15,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3345 states, 2768 states have (on average 1.435693641618497) internal successors, (3974), 2804 states have internal predecessors, (3974), 428 states have call successors, (428), 145 states have call predecessors, (428), 148 states have return successors, (465), 427 states have call predecessors, (465), 427 states have call successors, (465) [2024-11-07 13:01:15,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3345 states to 3345 states and 4867 transitions. [2024-11-07 13:01:15,922 INFO L78 Accepts]: Start accepts. Automaton has 3345 states and 4867 transitions. Word has length 82 [2024-11-07 13:01:15,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:01:15,923 INFO L471 AbstractCegarLoop]: Abstraction has 3345 states and 4867 transitions. [2024-11-07 13:01:15,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-07 13:01:15,924 INFO L276 IsEmpty]: Start isEmpty. Operand 3345 states and 4867 transitions. [2024-11-07 13:01:15,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-07 13:01:15,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:01:15,943 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2024-11-07 13:01:15,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 13:01:15,943 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:01:15,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:01:15,944 INFO L85 PathProgramCache]: Analyzing trace with hash 2135162811, now seen corresponding path program 1 times [2024-11-07 13:01:15,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:01:15,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350183289] [2024-11-07 13:01:15,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:01:15,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:01:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:16,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:01:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:16,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 13:01:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:16,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 13:01:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:16,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 13:01:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:16,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 13:01:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:16,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 13:01:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:16,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 13:01:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:16,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 13:01:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:16,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 13:01:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:16,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 13:01:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:16,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 13:01:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:16,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 13:01:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:16,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 13:01:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:16,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:01:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:16,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 13:01:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:16,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:01:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:16,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 13:01:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:16,576 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-07 13:01:16,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:01:16,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350183289] [2024-11-07 13:01:16,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350183289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:01:16,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:01:16,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 13:01:16,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931800132] [2024-11-07 13:01:16,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:01:16,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 13:01:16,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:01:16,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 13:01:16,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-07 13:01:16,580 INFO L87 Difference]: Start difference. First operand 3345 states and 4867 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-07 13:01:20,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:01:24,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:01:28,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:01:32,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:01:39,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:01:43,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:01:44,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:01:44,398 INFO L93 Difference]: Finished difference Result 9396 states and 13780 transitions. [2024-11-07 13:01:44,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 13:01:44,399 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 140 [2024-11-07 13:01:44,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:01:44,436 INFO L225 Difference]: With dead ends: 9396 [2024-11-07 13:01:44,436 INFO L226 Difference]: Without dead ends: 6075 [2024-11-07 13:01:44,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-07 13:01:44,448 INFO L432 NwaCegarLoop]: 749 mSDtfsCounter, 3289 mSDsluCounter, 2256 mSDsCounter, 0 mSdLazyCounter, 2259 mSolverCounterSat, 902 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3366 SdHoareTripleChecker+Valid, 3005 SdHoareTripleChecker+Invalid, 3167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 902 IncrementalHoareTripleChecker+Valid, 2259 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2024-11-07 13:01:44,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3366 Valid, 3005 Invalid, 3167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [902 Valid, 2259 Invalid, 6 Unknown, 0 Unchecked, 27.4s Time] [2024-11-07 13:01:44,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6075 states. [2024-11-07 13:01:44,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6075 to 5469. [2024-11-07 13:01:44,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5469 states, 4548 states have (on average 1.4443711521547933) internal successors, (6569), 4607 states have internal predecessors, (6569), 681 states have call successors, (681), 220 states have call predecessors, (681), 239 states have return successors, (770), 687 states have call predecessors, (770), 680 states have call successors, (770) [2024-11-07 13:01:44,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5469 states to 5469 states and 8020 transitions. [2024-11-07 13:01:44,686 INFO L78 Accepts]: Start accepts. Automaton has 5469 states and 8020 transitions. Word has length 140 [2024-11-07 13:01:44,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:01:44,688 INFO L471 AbstractCegarLoop]: Abstraction has 5469 states and 8020 transitions. [2024-11-07 13:01:44,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-07 13:01:44,689 INFO L276 IsEmpty]: Start isEmpty. Operand 5469 states and 8020 transitions. [2024-11-07 13:01:44,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-07 13:01:44,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:01:44,731 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2024-11-07 13:01:44,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 13:01:44,732 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:01:44,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:01:44,732 INFO L85 PathProgramCache]: Analyzing trace with hash -621933258, now seen corresponding path program 1 times [2024-11-07 13:01:44,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:01:44,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464895723] [2024-11-07 13:01:44,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:01:44,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:01:44,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:45,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:01:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:45,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 13:01:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:45,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 13:01:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:45,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 13:01:45,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:45,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 13:01:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:45,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 13:01:45,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:45,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 13:01:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:45,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 13:01:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:45,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 13:01:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:45,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 13:01:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:45,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 13:01:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:45,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:01:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:45,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 13:01:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:45,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 13:01:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:45,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:01:45,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:45,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 13:01:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:45,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 13:01:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:45,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 13:01:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:45,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 13:01:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:45,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:01:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:45,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 13:01:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:45,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 13:01:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:01:45,229 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-11-07 13:01:45,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:01:45,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464895723] [2024-11-07 13:01:45,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464895723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:01:45,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:01:45,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 13:01:45,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628591166] [2024-11-07 13:01:45,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:01:45,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 13:01:45,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:01:45,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 13:01:45,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 13:01:45,233 INFO L87 Difference]: Start difference. First operand 5469 states and 8020 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-07 13:01:49,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:01:53,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:01:57,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []