./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9f3d350bd080191df0ee186561630fc29ade38a40dcbac29157c72de91ff9d1d --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 08:42:57,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 08:42:57,302 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 08:42:57,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 08:42:57,311 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 08:42:57,333 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 08:42:57,335 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 08:42:57,335 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 08:42:57,335 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 08:42:57,336 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 08:42:57,336 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 08:42:57,336 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 08:42:57,337 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 08:42:57,337 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 08:42:57,337 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 08:42:57,337 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 08:42:57,337 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 08:42:57,337 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 08:42:57,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 08:42:57,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 08:42:57,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 08:42:57,338 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 08:42:57,338 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 08:42:57,338 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 08:42:57,338 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 08:42:57,338 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 08:42:57,338 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 08:42:57,338 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 08:42:57,338 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 08:42:57,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 08:42:57,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 08:42:57,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 08:42:57,339 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 08:42:57,339 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 08:42:57,339 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 08:42:57,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 08:42:57,339 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 08:42:57,339 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 08:42:57,339 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 08:42:57,339 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 08:42:57,339 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f3d350bd080191df0ee186561630fc29ade38a40dcbac29157c72de91ff9d1d [2025-03-17 08:42:57,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 08:42:57,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 08:42:57,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 08:42:57,594 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 08:42:57,594 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 08:42:57,596 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2025-03-17 08:42:58,768 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad8c46bd3/bbb0d2a83aa146da94b2117f087d8fff/FLAG524377964 [2025-03-17 08:42:59,164 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 08:42:59,165 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2025-03-17 08:42:59,191 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad8c46bd3/bbb0d2a83aa146da94b2117f087d8fff/FLAG524377964 [2025-03-17 08:42:59,332 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad8c46bd3/bbb0d2a83aa146da94b2117f087d8fff [2025-03-17 08:42:59,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 08:42:59,335 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 08:42:59,336 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 08:42:59,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 08:42:59,339 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 08:42:59,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 08:42:59" (1/1) ... [2025-03-17 08:42:59,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e131198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:42:59, skipping insertion in model container [2025-03-17 08:42:59,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 08:42:59" (1/1) ... [2025-03-17 08:42:59,408 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 08:43:00,276 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i[159905,159918] [2025-03-17 08:43:00,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 08:43:00,395 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 08:43:00,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3394] [2025-03-17 08:43:00,497 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3396] [2025-03-17 08:43:00,497 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"); [3406] [2025-03-17 08:43:00,498 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)); [3413] [2025-03-17 08:43:00,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [3604] [2025-03-17 08:43:00,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [3607] [2025-03-17 08:43:00,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [3609] [2025-03-17 08:43:00,507 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [3614] [2025-03-17 08:43:00,507 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [3617] [2025-03-17 08:43:00,507 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [3619] [2025-03-17 08:43:00,507 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [3624] [2025-03-17 08:43:00,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [3627] [2025-03-17 08:43:00,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [3629] [2025-03-17 08:43:00,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [3634] [2025-03-17 08:43:00,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [3637] [2025-03-17 08:43:00,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [3639] [2025-03-17 08:43:00,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [3657] [2025-03-17 08:43:00,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [3660] [2025-03-17 08:43:00,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [3662] [2025-03-17 08:43:00,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [3667] [2025-03-17 08:43:00,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [3670] [2025-03-17 08:43:00,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [3672] [2025-03-17 08:43:00,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [3677] [2025-03-17 08:43:00,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [3680] [2025-03-17 08:43:00,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [3682] [2025-03-17 08:43:00,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [3687] [2025-03-17 08:43:00,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [3690] [2025-03-17 08:43:00,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [3692] [2025-03-17 08:43:00,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3760] [2025-03-17 08:43:00,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3767] [2025-03-17 08:43:00,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (buffer + (unsigned long )i), "i" (1UL)); [4719-4720] [2025-03-17 08:43:00,607 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i[159905,159918] [2025-03-17 08:43:00,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 08:43:00,721 INFO L204 MainTranslator]: Completed translation [2025-03-17 08:43:00,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:43:00 WrapperNode [2025-03-17 08:43:00,722 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 08:43:00,723 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 08:43:00,723 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 08:43:00,723 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 08:43:00,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:43:00" (1/1) ... [2025-03-17 08:43:00,770 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:43:00" (1/1) ... [2025-03-17 08:43:00,879 INFO L138 Inliner]: procedures = 259, calls = 1063, calls flagged for inlining = 115, calls inlined = 111, statements flattened = 2905 [2025-03-17 08:43:00,879 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 08:43:00,880 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 08:43:00,880 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 08:43:00,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 08:43:00,888 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:43:00" (1/1) ... [2025-03-17 08:43:00,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:43:00" (1/1) ... [2025-03-17 08:43:00,908 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:43:00" (1/1) ... [2025-03-17 08:43:01,169 INFO L175 MemorySlicer]: Split 550 memory accesses to 9 slices as follows [13, 2, 19, 7, 7, 13, 442, 12, 35]. 80 percent of accesses are in the largest equivalence class. The 35 initializations are split as follows [0, 2, 0, 6, 6, 13, 2, 0, 6]. The 298 writes are split as follows [7, 0, 1, 0, 0, 0, 249, 12, 29]. [2025-03-17 08:43:01,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:43:00" (1/1) ... [2025-03-17 08:43:01,170 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:43:00" (1/1) ... [2025-03-17 08:43:01,272 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:43:00" (1/1) ... [2025-03-17 08:43:01,282 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:43:00" (1/1) ... [2025-03-17 08:43:01,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:43:00" (1/1) ... [2025-03-17 08:43:01,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:43:00" (1/1) ... [2025-03-17 08:43:01,355 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 08:43:01,355 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 08:43:01,355 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 08:43:01,355 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 08:43:01,356 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:43:00" (1/1) ... [2025-03-17 08:43:01,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 08:43:01,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 08:43:01,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 08:43:01,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 08:43:01,404 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_name [2025-03-17 08:43:01,404 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_name [2025-03-17 08:43:01,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-17 08:43:01,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-17 08:43:01,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-17 08:43:01,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-17 08:43:01,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-17 08:43:01,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-17 08:43:01,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-17 08:43:01,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-17 08:43:01,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-17 08:43:01,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 08:43:01,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 08:43:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 08:43:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 08:43:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 08:43:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 08:43:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 08:43:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 08:43:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-17 08:43:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-17 08:43:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-17 08:43:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_create [2025-03-17 08:43:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_create [2025-03-17 08:43:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-03-17 08:43:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-03-17 08:43:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2025-03-17 08:43:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2025-03-17 08:43:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-17 08:43:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-17 08:43:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-03-17 08:43:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-03-17 08:43:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_event [2025-03-17 08:43:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_event [2025-03-17 08:43:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-17 08:43:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-17 08:43:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_packet [2025-03-17 08:43:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_packet [2025-03-17 08:43:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2025-03-17 08:43:01,407 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2025-03-17 08:43:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 08:43:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 08:43:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-17 08:43:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-17 08:43:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-17 08:43:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-17 08:43:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-17 08:43:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-17 08:43:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-17 08:43:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 08:43:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 08:43:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-17 08:43:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-17 08:43:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-17 08:43:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-17 08:43:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-17 08:43:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-17 08:43:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-17 08:43:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 08:43:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 08:43:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2025-03-17 08:43:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2025-03-17 08:43:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_notify_readers [2025-03-17 08:43:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_notify_readers [2025-03-17 08:43:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2025-03-17 08:43:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2025-03-17 08:43:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2025-03-17 08:43:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_close_device [2025-03-17 08:43:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_close_device [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_fasync [2025-03-17 08:43:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_fasync [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2025-03-17 08:43:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_mousedev [2025-03-17 08:43:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_mousedev [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_poll [2025-03-17 08:43:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_poll [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-03-17 08:43:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2025-03-17 08:43:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2025-03-17 08:43:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_destroy [2025-03-17 08:43:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_destroy [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-17 08:43:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2025-03-17 08:43:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2025-03-17 08:43:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2025-03-17 08:43:01,410 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2025-03-17 08:43:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2025-03-17 08:43:01,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2025-03-17 08:43:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_limit_delta [2025-03-17 08:43:01,410 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_limit_delta [2025-03-17 08:43:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2025-03-17 08:43:01,412 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2025-03-17 08:43:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2025-03-17 08:43:01,412 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2025-03-17 08:43:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-17 08:43:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-17 08:43:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-17 08:43:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-17 08:43:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-17 08:43:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-17 08:43:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-17 08:43:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-17 08:43:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-17 08:43:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2025-03-17 08:43:01,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2025-03-17 08:43:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 08:43:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 08:43:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 08:43:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 08:43:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 08:43:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_key_event [2025-03-17 08:43:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_key_event [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-03-17 08:43:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-17 08:43:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-17 08:43:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-17 08:43:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-17 08:43:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-17 08:43:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-17 08:43:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-17 08:43:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-17 08:43:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2025-03-17 08:43:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2025-03-17 08:43:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2025-03-17 08:43:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-17 08:43:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2025-03-17 08:43:01,413 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_fasync [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 08:43:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 08:43:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 08:43:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 08:43:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-17 08:43:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure input_close_device [2025-03-17 08:43:01,414 INFO L138 BoogieDeclarations]: Found implementation of procedure input_close_device [2025-03-17 08:43:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2025-03-17 08:43:01,414 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2025-03-17 08:43:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2025-03-17 08:43:01,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2025-03-17 08:43:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2025-03-17 08:43:01,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2025-03-17 08:43:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_new_minor [2025-03-17 08:43:01,416 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_new_minor [2025-03-17 08:43:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 08:43:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2025-03-17 08:43:01,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2025-03-17 08:43:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 08:43:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_write [2025-03-17 08:43:01,417 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_write [2025-03-17 08:43:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-03-17 08:43:01,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-03-17 08:43:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_handle [2025-03-17 08:43:01,417 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_handle [2025-03-17 08:43:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 08:43:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 08:43:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 08:43:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 08:43:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 08:43:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 08:43:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 08:43:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 08:43:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-17 08:43:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2025-03-17 08:43:01,417 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2025-03-17 08:43:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2025-03-17 08:43:01,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2025-03-17 08:43:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_mousedev [2025-03-17 08:43:01,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_mousedev [2025-03-17 08:43:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2025-03-17 08:43:01,417 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2025-03-17 08:43:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_detach_client [2025-03-17 08:43:01,418 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_detach_client [2025-03-17 08:43:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2025-03-17 08:43:01,418 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2025-03-17 08:43:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2025-03-17 08:43:01,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2025-03-17 08:43:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2025-03-17 08:43:01,418 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2025-03-17 08:43:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_minor [2025-03-17 08:43:01,418 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_minor [2025-03-17 08:43:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_cleanup [2025-03-17 08:43:01,418 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_cleanup [2025-03-17 08:43:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_open_device [2025-03-17 08:43:01,418 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_open_device [2025-03-17 08:43:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_disconnect [2025-03-17 08:43:01,418 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_disconnect [2025-03-17 08:43:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_mousedev [2025-03-17 08:43:01,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_mousedev [2025-03-17 08:43:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2025-03-17 08:43:01,418 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2025-03-17 08:43:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2025-03-17 08:43:01,418 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2025-03-17 08:43:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 08:43:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 08:43:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 08:43:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 08:43:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 08:43:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 08:43:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 08:43:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 08:43:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-17 08:43:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 08:43:01,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 08:43:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-03-17 08:43:01,418 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-03-17 08:43:01,941 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 08:43:01,944 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 08:43:01,997 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6451: havoc #t~nondet565; [2025-03-17 08:43:02,001 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-17 08:43:02,179 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6489: havoc input_register_handle_#t~nondet571#1; [2025-03-17 08:43:02,180 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4933: call ULTIMATE.dealloc(~#__key~1#1.base, ~#__key~1#1.offset);havoc ~#__key~1#1.base, ~#__key~1#1.offset;call ULTIMATE.dealloc(~#__key___0~0#1.base, ~#__key___0~0#1.offset);havoc ~#__key___0~0#1.base, ~#__key___0~0#1.offset;call ULTIMATE.dealloc(~#__key___1~0#1.base, ~#__key___1~0#1.offset);havoc ~#__key___1~0#1.base, ~#__key___1~0#1.offset; [2025-03-17 08:43:02,180 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3955: havoc dev_name_#t~mem128#1.base, dev_name_#t~mem128#1.offset; [2025-03-17 08:43:02,180 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3947: havoc kobject_name_#t~mem126#1.base, kobject_name_#t~mem126#1.offset; [2025-03-17 08:43:02,180 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6437: havoc cdev_add_#t~nondet563#1; [2025-03-17 08:43:02,180 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6455: havoc device_add_#t~nondet566#1; [2025-03-17 08:43:02,225 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6447: havoc #t~nondet564; [2025-03-17 08:43:02,229 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6471: havoc #t~ret568.base, #t~ret568.offset; [2025-03-17 08:43:02,251 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3420: havoc #t~mem7;havoc #t~bitwise8; [2025-03-17 08:43:02,253 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6570: havoc #t~nondet583; [2025-03-17 08:43:02,511 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6408: havoc __msecs_to_jiffies_#t~nondet561#1; [2025-03-17 08:43:02,872 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6481: havoc #t~nondet569; [2025-03-17 08:43:03,405 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4200: call ULTIMATE.dealloc(~#__ptr~0#1.base, ~#__ptr~0#1.offset);havoc ~#__ptr~0#1.base, ~#__ptr~0#1.offset;call ULTIMATE.dealloc(~#__u~0#1.base, ~#__u~0#1.offset);havoc ~#__u~0#1.base, ~#__u~0#1.offset;call ULTIMATE.dealloc(~#__ptr___0~0#1.base, ~#__ptr___0~0#1.offset);havoc ~#__ptr___0~0#1.base, ~#__ptr___0~0#1.offset;call ULTIMATE.dealloc(~#__u___0~0#1.base, ~#__u___0~0#1.offset);havoc ~#__u___0~0#1.base, ~#__u___0~0#1.offset; [2025-03-17 08:43:03,685 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6465: havoc fasync_helper_#t~nondet567#1; [2025-03-17 08:43:03,694 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4011: havoc #t~mem152.base, #t~mem152.offset;havoc #t~ite155;havoc #t~mem153.base, #t~mem153.offset;havoc #t~mem154; [2025-03-17 08:43:03,736 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6540: havoc #t~nondet577; [2025-03-17 08:43:03,742 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4005: havoc #t~mem148.base, #t~mem148.offset;havoc #t~ite151;havoc #t~mem149.base, #t~mem149.offset;havoc #t~mem150; [2025-03-17 08:43:03,788 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6485: havoc input_open_device_#t~nondet570#1; [2025-03-17 08:43:03,788 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5573-1: ldv_mutex_lock_interruptible_12_#res#1 := ldv_mutex_lock_interruptible_12_~ldv_func_res~1#1; [2025-03-17 08:43:03,790 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6563: havoc #t~nondet582; [2025-03-17 08:43:03,819 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3871: havoc __kmalloc_#t~ret96#1.base, __kmalloc_#t~ret96#1.offset; [2025-03-17 08:43:08,809 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6559: havoc prepare_to_wait_event_#t~nondet581#1; [2025-03-17 08:43:08,809 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6493: havoc input_register_handler_#t~nondet572#1; [2025-03-17 08:43:08,809 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4562: call ULTIMATE.dealloc(mousedev_open_~#__key~0#1.base, mousedev_open_~#__key~0#1.offset);havoc mousedev_open_~#__key~0#1.base, mousedev_open_~#__key~0#1.offset; [2025-03-17 08:43:08,809 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6529: havoc misc_deregister_#t~nondet575#1; [2025-03-17 08:43:08,809 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6513: havoc ldv_release_1_#t~nondet574#1; [2025-03-17 08:43:08,809 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3904: havoc imajor_#t~mem100#1; [2025-03-17 08:43:08,809 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4764: call ULTIMATE.dealloc(mousedev_read_~#data~0#1.base, mousedev_read_~#data~0#1.offset);havoc mousedev_read_~#data~0#1.base, mousedev_read_~#data~0#1.offset;call ULTIMATE.dealloc(mousedev_read_~#__wait~0#1.base, mousedev_read_~#__wait~0#1.offset);havoc mousedev_read_~#__wait~0#1.base, mousedev_read_~#__wait~0#1.offset; [2025-03-17 08:43:08,809 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5228: call ULTIMATE.dealloc(main_~#ldvarg1~0#1.base, main_~#ldvarg1~0#1.offset);havoc main_~#ldvarg1~0#1.base, main_~#ldvarg1~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg0~0#1.base, main_~#ldvarg0~0#1.offset);havoc main_~#ldvarg0~0#1.base, main_~#ldvarg0~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset);havoc main_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg7~0#1.base, main_~#ldvarg7~0#1.offset);havoc main_~#ldvarg7~0#1.base, main_~#ldvarg7~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg12~0#1.base, main_~#ldvarg12~0#1.offset);havoc main_~#ldvarg12~0#1.base, main_~#ldvarg12~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg15~0#1.base, main_~#ldvarg15~0#1.offset);havoc main_~#ldvarg15~0#1.base, main_~#ldvarg15~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg6~0#1.base, main_~#ldvarg6~0#1.offset);havoc main_~#ldvarg6~0#1.base, main_~#ldvarg6~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg8~0#1.base, main_~#ldvarg8~0#1.offset);havoc main_~#ldvarg8~0#1.base, main_~#ldvarg8~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg9~0#1.base, main_~#ldvarg9~0#1.offset);havoc main_~#ldvarg9~0#1.base, main_~#ldvarg9~0#1.offset; [2025-03-17 08:43:08,809 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6533: havoc misc_register_#t~nondet576#1; [2025-03-17 08:43:08,809 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6551: havoc nonseekable_open_#t~nondet579#1; [2025-03-17 08:43:08,809 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5610-1: ldv_mutex_lock_interruptible_16_#res#1 := ldv_mutex_lock_interruptible_16_~ldv_func_res~2#1; [2025-03-17 08:43:08,809 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6421: havoc _copy_to_user_#t~nondet562#1; [2025-03-17 08:43:08,809 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6555: havoc noop_llseek_#t~nondet580#1; [2025-03-17 08:43:08,809 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5680-1: ldv_mutex_lock_interruptible_24_#res#1 := ldv_mutex_lock_interruptible_24_~ldv_func_res~3#1; [2025-03-17 08:43:08,809 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6506: havoc ldv_bind_1_#t~nondet573#1; [2025-03-17 08:43:09,212 INFO L? ?]: Removed 1305 outVars from TransFormulas that were not future-live. [2025-03-17 08:43:09,212 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 08:43:09,266 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 08:43:09,267 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-17 08:43:09,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 08:43:09 BoogieIcfgContainer [2025-03-17 08:43:09,268 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 08:43:09,273 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 08:43:09,273 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 08:43:09,276 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 08:43:09,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 08:42:59" (1/3) ... [2025-03-17 08:43:09,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@216ccfce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 08:43:09, skipping insertion in model container [2025-03-17 08:43:09,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 08:43:00" (2/3) ... [2025-03-17 08:43:09,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@216ccfce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 08:43:09, skipping insertion in model container [2025-03-17 08:43:09,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 08:43:09" (3/3) ... [2025-03-17 08:43:09,282 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2025-03-17 08:43:09,293 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 08:43:09,298 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i that has 83 procedures, 1048 locations, 1 initial locations, 27 loop locations, and 1 error locations. [2025-03-17 08:43:09,369 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 08:43:09,378 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;@22ac1b8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 08:43:09,378 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 08:43:09,386 INFO L276 IsEmpty]: Start isEmpty. Operand has 984 states, 712 states have (on average 1.4101123595505618) internal successors, (1004), 747 states have internal predecessors, (1004), 203 states have call successors, (203), 68 states have call predecessors, (203), 67 states have return successors, (199), 196 states have call predecessors, (199), 199 states have call successors, (199) [2025-03-17 08:43:09,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2025-03-17 08:43:09,401 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:43:09,402 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:43:09,402 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:43:09,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:43:09,407 INFO L85 PathProgramCache]: Analyzing trace with hash -429517216, now seen corresponding path program 1 times [2025-03-17 08:43:09,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:43:09,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438098656] [2025-03-17 08:43:09,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:43:09,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:43:13,939 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 242 statements into 1 equivalence classes. [2025-03-17 08:43:14,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 242 of 242 statements. [2025-03-17 08:43:14,221 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:43:14,221 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:43:14,759 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2025-03-17 08:43:14,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:43:14,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438098656] [2025-03-17 08:43:14,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438098656] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 08:43:14,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087563767] [2025-03-17 08:43:14,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:43:14,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 08:43:14,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 08:43:14,768 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 08:43:14,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 08:43:19,412 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 242 statements into 1 equivalence classes. [2025-03-17 08:43:19,793 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 242 of 242 statements. [2025-03-17 08:43:19,793 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:43:19,793 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:43:19,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 3449 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 08:43:19,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 08:43:19,854 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 653 trivial. 0 not checked. [2025-03-17 08:43:19,858 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 08:43:19,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087563767] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:43:19,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 08:43:19,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 08:43:19,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437474026] [2025-03-17 08:43:19,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:43:19,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 08:43:19,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:43:19,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 08:43:19,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 08:43:19,886 INFO L87 Difference]: Start difference. First operand has 984 states, 712 states have (on average 1.4101123595505618) internal successors, (1004), 747 states have internal predecessors, (1004), 203 states have call successors, (203), 68 states have call predecessors, (203), 67 states have return successors, (199), 196 states have call predecessors, (199), 199 states have call successors, (199) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-17 08:43:20,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:43:20,179 INFO L93 Difference]: Finished difference Result 1964 states and 2866 transitions. [2025-03-17 08:43:20,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 08:43:20,181 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 242 [2025-03-17 08:43:20,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:43:20,199 INFO L225 Difference]: With dead ends: 1964 [2025-03-17 08:43:20,199 INFO L226 Difference]: Without dead ends: 973 [2025-03-17 08:43:20,218 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 08:43:20,220 INFO L435 NwaCegarLoop]: 1375 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1375 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 08:43:20,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1375 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 08:43:20,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2025-03-17 08:43:20,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 973. [2025-03-17 08:43:20,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 973 states, 707 states have (on average 1.3974540311173975) internal successors, (988), 736 states have internal predecessors, (988), 199 states have call successors, (199), 67 states have call predecessors, (199), 66 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2025-03-17 08:43:20,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 1379 transitions. [2025-03-17 08:43:20,324 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 1379 transitions. Word has length 242 [2025-03-17 08:43:20,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:43:20,328 INFO L471 AbstractCegarLoop]: Abstraction has 973 states and 1379 transitions. [2025-03-17 08:43:20,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-17 08:43:20,328 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1379 transitions. [2025-03-17 08:43:20,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2025-03-17 08:43:20,334 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:43:20,334 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:43:20,350 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 08:43:20,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-17 08:43:20,535 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:43:20,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:43:20,536 INFO L85 PathProgramCache]: Analyzing trace with hash -981490344, now seen corresponding path program 1 times [2025-03-17 08:43:20,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:43:20,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944787887] [2025-03-17 08:43:20,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:43:20,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:43:24,614 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 242 statements into 1 equivalence classes. [2025-03-17 08:43:24,749 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 242 of 242 statements. [2025-03-17 08:43:24,750 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:43:24,750 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:43:25,127 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2025-03-17 08:43:25,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:43:25,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944787887] [2025-03-17 08:43:25,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944787887] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:43:25,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:43:25,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:43:25,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674827901] [2025-03-17 08:43:25,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:43:25,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:43:25,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:43:25,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:43:25,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:43:25,131 INFO L87 Difference]: Start difference. First operand 973 states and 1379 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2025-03-17 08:43:25,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:43:25,893 INFO L93 Difference]: Finished difference Result 2519 states and 3537 transitions. [2025-03-17 08:43:25,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:43:25,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 242 [2025-03-17 08:43:25,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:43:25,905 INFO L225 Difference]: With dead ends: 2519 [2025-03-17 08:43:25,906 INFO L226 Difference]: Without dead ends: 1590 [2025-03-17 08:43:25,910 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:43:25,911 INFO L435 NwaCegarLoop]: 1502 mSDtfsCounter, 895 mSDsluCounter, 1277 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 895 SdHoareTripleChecker+Valid, 2779 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-17 08:43:25,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [895 Valid, 2779 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-17 08:43:25,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2025-03-17 08:43:25,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 1575. [2025-03-17 08:43:25,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1575 states, 1144 states have (on average 1.3793706293706294) internal successors, (1578), 1186 states have internal predecessors, (1578), 315 states have call successors, (315), 116 states have call predecessors, (315), 115 states have return successors, (308), 303 states have call predecessors, (308), 308 states have call successors, (308) [2025-03-17 08:43:25,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1575 states and 2201 transitions. [2025-03-17 08:43:25,989 INFO L78 Accepts]: Start accepts. Automaton has 1575 states and 2201 transitions. Word has length 242 [2025-03-17 08:43:25,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:43:25,990 INFO L471 AbstractCegarLoop]: Abstraction has 1575 states and 2201 transitions. [2025-03-17 08:43:25,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2025-03-17 08:43:25,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 2201 transitions. [2025-03-17 08:43:25,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2025-03-17 08:43:25,994 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:43:25,994 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:43:25,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 08:43:25,995 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:43:25,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:43:25,995 INFO L85 PathProgramCache]: Analyzing trace with hash -997586146, now seen corresponding path program 1 times [2025-03-17 08:43:25,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:43:25,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940249991] [2025-03-17 08:43:25,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:43:25,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:43:30,137 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 245 statements into 1 equivalence classes. [2025-03-17 08:43:30,225 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 245 of 245 statements. [2025-03-17 08:43:30,225 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:43:30,225 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:43:30,700 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2025-03-17 08:43:30,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:43:30,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940249991] [2025-03-17 08:43:30,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940249991] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:43:30,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:43:30,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:43:30,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715186034] [2025-03-17 08:43:30,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:43:30,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:43:30,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:43:30,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:43:30,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:43:30,703 INFO L87 Difference]: Start difference. First operand 1575 states and 2201 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2025-03-17 08:43:34,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 08:43:35,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:43:35,801 INFO L93 Difference]: Finished difference Result 4487 states and 6271 transitions. [2025-03-17 08:43:35,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:43:35,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 245 [2025-03-17 08:43:35,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:43:35,824 INFO L225 Difference]: With dead ends: 4487 [2025-03-17 08:43:35,825 INFO L226 Difference]: Without dead ends: 2956 [2025-03-17 08:43:35,831 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:43:35,834 INFO L435 NwaCegarLoop]: 1944 mSDtfsCounter, 1286 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1286 SdHoareTripleChecker+Valid, 3263 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2025-03-17 08:43:35,835 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1286 Valid, 3263 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2025-03-17 08:43:35,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2956 states. [2025-03-17 08:43:35,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2956 to 2951. [2025-03-17 08:43:35,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2951 states, 2161 states have (on average 1.3845441925034707) internal successors, (2992), 2234 states have internal predecessors, (2992), 568 states have call successors, (568), 222 states have call predecessors, (568), 221 states have return successors, (561), 552 states have call predecessors, (561), 561 states have call successors, (561) [2025-03-17 08:43:35,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2951 states to 2951 states and 4121 transitions. [2025-03-17 08:43:35,945 INFO L78 Accepts]: Start accepts. Automaton has 2951 states and 4121 transitions. Word has length 245 [2025-03-17 08:43:35,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:43:35,947 INFO L471 AbstractCegarLoop]: Abstraction has 2951 states and 4121 transitions. [2025-03-17 08:43:35,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2025-03-17 08:43:35,947 INFO L276 IsEmpty]: Start isEmpty. Operand 2951 states and 4121 transitions. [2025-03-17 08:43:35,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2025-03-17 08:43:35,951 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:43:35,951 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:43:35,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 08:43:35,951 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:43:35,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:43:35,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1481315979, now seen corresponding path program 1 times [2025-03-17 08:43:35,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:43:35,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292545291] [2025-03-17 08:43:35,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:43:35,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:43:39,873 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 268 statements into 1 equivalence classes. [2025-03-17 08:43:39,961 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 268 of 268 statements. [2025-03-17 08:43:39,962 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:43:39,962 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:43:40,371 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2025-03-17 08:43:40,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:43:40,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292545291] [2025-03-17 08:43:40,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292545291] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:43:40,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:43:40,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:43:40,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364801409] [2025-03-17 08:43:40,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:43:40,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:43:40,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:43:40,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:43:40,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:43:40,373 INFO L87 Difference]: Start difference. First operand 2951 states and 4121 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-03-17 08:43:41,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:43:41,267 INFO L93 Difference]: Finished difference Result 7271 states and 10102 transitions. [2025-03-17 08:43:41,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:43:41,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 268 [2025-03-17 08:43:41,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:43:41,296 INFO L225 Difference]: With dead ends: 7271 [2025-03-17 08:43:41,297 INFO L226 Difference]: Without dead ends: 4374 [2025-03-17 08:43:41,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:43:41,311 INFO L435 NwaCegarLoop]: 1366 mSDtfsCounter, 910 mSDsluCounter, 1237 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 910 SdHoareTripleChecker+Valid, 2603 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-17 08:43:41,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [910 Valid, 2603 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-17 08:43:41,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4374 states. [2025-03-17 08:43:41,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4374 to 4345. [2025-03-17 08:43:41,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4345 states, 3158 states have (on average 1.3780873970867638) internal successors, (4352), 3271 states have internal predecessors, (4352), 832 states have call successors, (832), 365 states have call predecessors, (832), 354 states have return successors, (833), 794 states have call predecessors, (833), 825 states have call successors, (833) [2025-03-17 08:43:41,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4345 states to 4345 states and 6017 transitions. [2025-03-17 08:43:41,455 INFO L78 Accepts]: Start accepts. Automaton has 4345 states and 6017 transitions. Word has length 268 [2025-03-17 08:43:41,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:43:41,456 INFO L471 AbstractCegarLoop]: Abstraction has 4345 states and 6017 transitions. [2025-03-17 08:43:41,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-03-17 08:43:41,456 INFO L276 IsEmpty]: Start isEmpty. Operand 4345 states and 6017 transitions. [2025-03-17 08:43:41,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2025-03-17 08:43:41,460 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:43:41,460 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:43:41,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 08:43:41,460 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:43:41,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:43:41,461 INFO L85 PathProgramCache]: Analyzing trace with hash -637816632, now seen corresponding path program 1 times [2025-03-17 08:43:41,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:43:41,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493145616] [2025-03-17 08:43:41,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:43:41,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:43:45,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 272 statements into 1 equivalence classes. [2025-03-17 08:43:45,528 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 272 of 272 statements. [2025-03-17 08:43:45,528 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:43:45,528 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:43:46,532 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2025-03-17 08:43:46,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:43:46,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493145616] [2025-03-17 08:43:46,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493145616] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:43:46,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:43:46,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 08:43:46,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883285623] [2025-03-17 08:43:46,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:43:46,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 08:43:46,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:43:46,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 08:43:46,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 08:43:46,535 INFO L87 Difference]: Start difference. First operand 4345 states and 6017 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 4 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2025-03-17 08:43:50,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 08:44:11,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:44:11,580 INFO L93 Difference]: Finished difference Result 12444 states and 17431 transitions. [2025-03-17 08:44:11,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 08:44:11,581 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 4 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 272 [2025-03-17 08:44:11,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:44:11,639 INFO L225 Difference]: With dead ends: 12444 [2025-03-17 08:44:11,639 INFO L226 Difference]: Without dead ends: 8156 [2025-03-17 08:44:11,660 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 08:44:11,661 INFO L435 NwaCegarLoop]: 682 mSDtfsCounter, 2375 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 1723 mSolverCounterSat, 556 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2514 SdHoareTripleChecker+Valid, 1546 SdHoareTripleChecker+Invalid, 2280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 556 IncrementalHoareTripleChecker+Valid, 1723 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.5s IncrementalHoareTripleChecker+Time [2025-03-17 08:44:11,661 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2514 Valid, 1546 Invalid, 2280 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [556 Valid, 1723 Invalid, 1 Unknown, 0 Unchecked, 24.5s Time] [2025-03-17 08:44:11,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8156 states. [2025-03-17 08:44:12,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8156 to 8067. [2025-03-17 08:44:12,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8067 states, 5952 states have (on average 1.3879368279569892) internal successors, (8261), 6168 states have internal predecessors, (8261), 1480 states have call successors, (1480), 673 states have call predecessors, (1480), 634 states have return successors, (1540), 1367 states have call predecessors, (1540), 1468 states have call successors, (1540) [2025-03-17 08:44:12,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8067 states to 8067 states and 11281 transitions. [2025-03-17 08:44:12,108 INFO L78 Accepts]: Start accepts. Automaton has 8067 states and 11281 transitions. Word has length 272 [2025-03-17 08:44:12,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:44:12,109 INFO L471 AbstractCegarLoop]: Abstraction has 8067 states and 11281 transitions. [2025-03-17 08:44:12,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 4 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2025-03-17 08:44:12,109 INFO L276 IsEmpty]: Start isEmpty. Operand 8067 states and 11281 transitions. [2025-03-17 08:44:12,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2025-03-17 08:44:12,112 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:44:12,112 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:44:12,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 08:44:12,113 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:44:12,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:44:12,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1407858604, now seen corresponding path program 1 times [2025-03-17 08:44:12,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:44:12,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359315613] [2025-03-17 08:44:12,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:44:12,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:44:16,090 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 273 statements into 1 equivalence classes. [2025-03-17 08:44:16,208 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 273 of 273 statements. [2025-03-17 08:44:16,208 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:44:16,208 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:44:16,582 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2025-03-17 08:44:16,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:44:16,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359315613] [2025-03-17 08:44:16,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359315613] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:44:16,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:44:16,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:44:16,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91621275] [2025-03-17 08:44:16,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:44:16,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:44:16,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:44:16,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:44:16,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:44:16,585 INFO L87 Difference]: Start difference. First operand 8067 states and 11281 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-03-17 08:44:17,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:44:17,019 INFO L93 Difference]: Finished difference Result 8069 states and 11282 transitions. [2025-03-17 08:44:17,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:44:17,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 273 [2025-03-17 08:44:17,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:44:17,083 INFO L225 Difference]: With dead ends: 8069 [2025-03-17 08:44:17,085 INFO L226 Difference]: Without dead ends: 8066 [2025-03-17 08:44:17,092 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:44:17,092 INFO L435 NwaCegarLoop]: 1359 mSDtfsCounter, 1324 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1324 SdHoareTripleChecker+Valid, 1359 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 08:44:17,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1324 Valid, 1359 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 08:44:17,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8066 states. [2025-03-17 08:44:17,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8066 to 8066. [2025-03-17 08:44:17,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8066 states, 5952 states have (on average 1.387600806451613) internal successors, (8259), 6167 states have internal predecessors, (8259), 1479 states have call successors, (1479), 673 states have call predecessors, (1479), 634 states have return successors, (1540), 1367 states have call predecessors, (1540), 1468 states have call successors, (1540) [2025-03-17 08:44:17,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8066 states to 8066 states and 11278 transitions. [2025-03-17 08:44:17,445 INFO L78 Accepts]: Start accepts. Automaton has 8066 states and 11278 transitions. Word has length 273 [2025-03-17 08:44:17,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:44:17,447 INFO L471 AbstractCegarLoop]: Abstraction has 8066 states and 11278 transitions. [2025-03-17 08:44:17,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-03-17 08:44:17,447 INFO L276 IsEmpty]: Start isEmpty. Operand 8066 states and 11278 transitions. [2025-03-17 08:44:17,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2025-03-17 08:44:17,451 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:44:17,451 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:44:17,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 08:44:17,451 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:44:17,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:44:17,452 INFO L85 PathProgramCache]: Analyzing trace with hash -694605713, now seen corresponding path program 1 times [2025-03-17 08:44:17,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:44:17,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137074268] [2025-03-17 08:44:17,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:44:17,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 08:44:21,647 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 274 statements into 1 equivalence classes. [2025-03-17 08:44:21,730 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 274 of 274 statements. [2025-03-17 08:44:21,730 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 08:44:21,730 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 08:44:22,039 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2025-03-17 08:44:22,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 08:44:22,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137074268] [2025-03-17 08:44:22,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137074268] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 08:44:22,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 08:44:22,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 08:44:22,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734714267] [2025-03-17 08:44:22,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 08:44:22,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 08:44:22,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 08:44:22,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 08:44:22,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:44:22,040 INFO L87 Difference]: Start difference. First operand 8066 states and 11278 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-03-17 08:44:22,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 08:44:22,413 INFO L93 Difference]: Finished difference Result 8068 states and 11279 transitions. [2025-03-17 08:44:22,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 08:44:22,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 274 [2025-03-17 08:44:22,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 08:44:22,465 INFO L225 Difference]: With dead ends: 8068 [2025-03-17 08:44:22,466 INFO L226 Difference]: Without dead ends: 8065 [2025-03-17 08:44:22,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 08:44:22,473 INFO L435 NwaCegarLoop]: 1357 mSDtfsCounter, 1321 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1321 SdHoareTripleChecker+Valid, 1357 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 08:44:22,475 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1321 Valid, 1357 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 08:44:22,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8065 states. [2025-03-17 08:44:22,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8065 to 8065. [2025-03-17 08:44:22,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8065 states, 5952 states have (on average 1.3872647849462365) internal successors, (8257), 6166 states have internal predecessors, (8257), 1478 states have call successors, (1478), 673 states have call predecessors, (1478), 634 states have return successors, (1540), 1367 states have call predecessors, (1540), 1468 states have call successors, (1540) [2025-03-17 08:44:22,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8065 states to 8065 states and 11275 transitions. [2025-03-17 08:44:22,858 INFO L78 Accepts]: Start accepts. Automaton has 8065 states and 11275 transitions. Word has length 274 [2025-03-17 08:44:22,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 08:44:22,859 INFO L471 AbstractCegarLoop]: Abstraction has 8065 states and 11275 transitions. [2025-03-17 08:44:22,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-03-17 08:44:22,861 INFO L276 IsEmpty]: Start isEmpty. Operand 8065 states and 11275 transitions. [2025-03-17 08:44:22,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2025-03-17 08:44:22,863 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 08:44:22,863 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 08:44:22,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 08:44:22,864 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 08:44:22,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 08:44:22,865 INFO L85 PathProgramCache]: Analyzing trace with hash -58603595, now seen corresponding path program 1 times [2025-03-17 08:44:22,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 08:44:22,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042840706] [2025-03-17 08:44:22,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 08:44:22,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms