./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 798a7b37 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-?-798a7b3-m [2025-03-04 04:23:34,942 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 04:23:35,000 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 04:23:35,004 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 04:23:35,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 04:23:35,028 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 04:23:35,029 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 04:23:35,029 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 04:23:35,030 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 04:23:35,030 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 04:23:35,030 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 04:23:35,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 04:23:35,031 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 04:23:35,031 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 04:23:35,031 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 04:23:35,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 04:23:35,031 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 04:23:35,031 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 04:23:35,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 04:23:35,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 04:23:35,031 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 04:23:35,031 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 04:23:35,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 04:23:35,031 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 04:23:35,032 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 04:23:35,032 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 04:23:35,032 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 04:23:35,032 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 04:23:35,032 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 04:23:35,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 04:23:35,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 04:23:35,032 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 04:23:35,032 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 04:23:35,032 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 04:23:35,032 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 04:23:35,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 04:23:35,032 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 04:23:35,032 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 04:23:35,032 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 04:23:35,032 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 04:23:35,032 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 [2025-03-04 04:23:35,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 04:23:35,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 04:23:35,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 04:23:35,266 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 04:23:35,267 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 04:23:35,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2025-03-04 04:23:36,372 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbcbaf72d/7c5063aad08143aa83f71f1b2fec82c5/FLAG77426f922 [2025-03-04 04:23:36,785 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 04:23:36,785 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2025-03-04 04:23:36,812 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbcbaf72d/7c5063aad08143aa83f71f1b2fec82c5/FLAG77426f922 [2025-03-04 04:23:36,942 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbcbaf72d/7c5063aad08143aa83f71f1b2fec82c5 [2025-03-04 04:23:36,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 04:23:36,945 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 04:23:36,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 04:23:36,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 04:23:36,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 04:23:36,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:23:36" (1/1) ... [2025-03-04 04:23:36,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7598651c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:23:36, skipping insertion in model container [2025-03-04 04:23:36,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:23:36" (1/1) ... [2025-03-04 04:23:37,011 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 04:23:38,028 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] [2025-03-04 04:23:38,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 04:23:38,168 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 04:23:38,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3394] [2025-03-04 04:23:38,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3396] [2025-03-04 04:23:38,227 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] [2025-03-04 04:23:38,227 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] [2025-03-04 04:23:38,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [3604] [2025-03-04 04:23:38,237 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [3607] [2025-03-04 04:23:38,237 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [3609] [2025-03-04 04:23:38,238 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [3614] [2025-03-04 04:23:38,238 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [3617] [2025-03-04 04:23:38,238 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [3619] [2025-03-04 04:23:38,238 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [3624] [2025-03-04 04:23:38,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [3627] [2025-03-04 04:23:38,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [3629] [2025-03-04 04:23:38,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [3634] [2025-03-04 04:23:38,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [3637] [2025-03-04 04:23:38,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [3639] [2025-03-04 04:23:38,240 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [3657] [2025-03-04 04:23:38,240 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [3660] [2025-03-04 04:23:38,240 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [3662] [2025-03-04 04:23:38,241 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [3667] [2025-03-04 04:23:38,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [3670] [2025-03-04 04:23:38,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [3672] [2025-03-04 04:23:38,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [3677] [2025-03-04 04:23:38,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [3680] [2025-03-04 04:23:38,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [3682] [2025-03-04 04:23:38,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [3687] [2025-03-04 04:23:38,243 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [3690] [2025-03-04 04:23:38,243 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [3692] [2025-03-04 04:23:38,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3760] [2025-03-04 04:23:38,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [3767] [2025-03-04 04:23:38,339 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] [2025-03-04 04:23:38,380 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] [2025-03-04 04:23:38,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 04:23:38,464 INFO L204 MainTranslator]: Completed translation [2025-03-04 04:23:38,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:23:38 WrapperNode [2025-03-04 04:23:38,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 04:23:38,466 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 04:23:38,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 04:23:38,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 04:23:38,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:23:38" (1/1) ... [2025-03-04 04:23:38,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:23:38" (1/1) ... [2025-03-04 04:23:38,679 INFO L138 Inliner]: procedures = 259, calls = 1063, calls flagged for inlining = 115, calls inlined = 111, statements flattened = 2905 [2025-03-04 04:23:38,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 04:23:38,682 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 04:23:38,682 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 04:23:38,682 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 04:23:38,689 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:23:38" (1/1) ... [2025-03-04 04:23:38,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:23:38" (1/1) ... [2025-03-04 04:23:38,711 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:23:38" (1/1) ... [2025-03-04 04:23:38,916 INFO L175 MemorySlicer]: Split 550 memory accesses to 9 slices as follows [2, 7, 7, 442, 13, 12, 19, 35, 13]. 80 percent of accesses are in the largest equivalence class. The 35 initializations are split as follows [2, 6, 6, 2, 13, 0, 0, 6, 0]. The 298 writes are split as follows [0, 0, 0, 249, 0, 12, 1, 29, 7]. [2025-03-04 04:23:38,917 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:23:38" (1/1) ... [2025-03-04 04:23:38,917 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:23:38" (1/1) ... [2025-03-04 04:23:38,989 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:23:38" (1/1) ... [2025-03-04 04:23:38,996 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:23:38" (1/1) ... [2025-03-04 04:23:39,014 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:23:38" (1/1) ... [2025-03-04 04:23:39,024 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:23:38" (1/1) ... [2025-03-04 04:23:39,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 04:23:39,048 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 04:23:39,048 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 04:23:39,048 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 04:23:39,050 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:23:38" (1/1) ... [2025-03-04 04:23:39,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 04:23:39,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 04:23:39,077 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) [2025-03-04 04:23:39,080 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 [2025-03-04 04:23:39,098 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_name [2025-03-04 04:23:39,098 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_name [2025-03-04 04:23:39,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-04 04:23:39,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-04 04:23:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-04 04:23:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-04 04:23:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-04 04:23:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-04 04:23:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-04 04:23:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-04 04:23:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-04 04:23:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 04:23:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 04:23:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 04:23:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 04:23:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 04:23:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 04:23:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 04:23:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 04:23:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-04 04:23:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-04 04:23:39,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-04 04:23:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_create [2025-03-04 04:23:39,100 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_create [2025-03-04 04:23:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-03-04 04:23:39,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-03-04 04:23:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2025-03-04 04:23:39,100 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2025-03-04 04:23:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-04 04:23:39,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-04 04:23:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-03-04 04:23:39,100 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-03-04 04:23:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_event [2025-03-04 04:23:39,101 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_event [2025-03-04 04:23:39,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-04 04:23:39,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-04 04:23:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_packet [2025-03-04 04:23:39,102 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_packet [2025-03-04 04:23:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2025-03-04 04:23:39,102 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2025-03-04 04:23:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 04:23:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 04:23:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-04 04:23:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-04 04:23:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-04 04:23:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-04 04:23:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-04 04:23:39,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-04 04:23:39,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-04 04:23:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 04:23:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 04:23:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-04 04:23:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-04 04:23:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-04 04:23:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-04 04:23:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-04 04:23:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-04 04:23:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-04 04:23:39,103 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 04:23:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 04:23:39,103 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2025-03-04 04:23:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2025-03-04 04:23:39,103 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_notify_readers [2025-03-04 04:23:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_notify_readers [2025-03-04 04:23:39,103 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2025-03-04 04:23:39,104 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2025-03-04 04:23:39,104 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_close_device [2025-03-04 04:23:39,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_close_device [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_fasync [2025-03-04 04:23:39,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_fasync [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2025-03-04 04:23:39,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_mousedev [2025-03-04 04:23:39,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_mousedev [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_poll [2025-03-04 04:23:39,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_poll [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-03-04 04:23:39,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2025-03-04 04:23:39,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2025-03-04 04:23:39,104 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_destroy [2025-03-04 04:23:39,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_destroy [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-04 04:23:39,104 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2025-03-04 04:23:39,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2025-03-04 04:23:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2025-03-04 04:23:39,104 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2025-03-04 04:23:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2025-03-04 04:23:39,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2025-03-04 04:23:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_limit_delta [2025-03-04 04:23:39,105 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_limit_delta [2025-03-04 04:23:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2025-03-04 04:23:39,105 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2025-03-04 04:23:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2025-03-04 04:23:39,105 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2025-03-04 04:23:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-04 04:23:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-04 04:23:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-04 04:23:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-04 04:23:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-04 04:23:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-04 04:23:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-04 04:23:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-04 04:23:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-04 04:23:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2025-03-04 04:23:39,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2025-03-04 04:23:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 04:23:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 04:23:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 04:23:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 04:23:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 04:23:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 04:23:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_key_event [2025-03-04 04:23:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_key_event [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-03-04 04:23:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-04 04:23:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-04 04:23:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-04 04:23:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-04 04:23:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-04 04:23:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-04 04:23:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-04 04:23:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-04 04:23:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2025-03-04 04:23:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2025-03-04 04:23:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2025-03-04 04:23:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-04 04:23:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2025-03-04 04:23:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_fasync [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 04:23:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 04:23:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 04:23:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 04:23:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-04 04:23:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure input_close_device [2025-03-04 04:23:39,108 INFO L138 BoogieDeclarations]: Found implementation of procedure input_close_device [2025-03-04 04:23:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2025-03-04 04:23:39,108 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2025-03-04 04:23:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2025-03-04 04:23:39,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2025-03-04 04:23:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2025-03-04 04:23:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2025-03-04 04:23:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_new_minor [2025-03-04 04:23:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_new_minor [2025-03-04 04:23:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 04:23:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2025-03-04 04:23:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2025-03-04 04:23:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 04:23:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_write [2025-03-04 04:23:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_write [2025-03-04 04:23:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-03-04 04:23:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-03-04 04:23:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_handle [2025-03-04 04:23:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_handle [2025-03-04 04:23:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 04:23:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 04:23:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 04:23:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 04:23:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 04:23:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 04:23:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 04:23:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 04:23:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-04 04:23:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2025-03-04 04:23:39,111 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2025-03-04 04:23:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2025-03-04 04:23:39,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2025-03-04 04:23:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_mousedev [2025-03-04 04:23:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_mousedev [2025-03-04 04:23:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2025-03-04 04:23:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2025-03-04 04:23:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_detach_client [2025-03-04 04:23:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_detach_client [2025-03-04 04:23:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2025-03-04 04:23:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2025-03-04 04:23:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2025-03-04 04:23:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2025-03-04 04:23:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2025-03-04 04:23:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2025-03-04 04:23:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_minor [2025-03-04 04:23:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_minor [2025-03-04 04:23:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_cleanup [2025-03-04 04:23:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_cleanup [2025-03-04 04:23:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_open_device [2025-03-04 04:23:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_open_device [2025-03-04 04:23:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_disconnect [2025-03-04 04:23:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_disconnect [2025-03-04 04:23:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_mousedev [2025-03-04 04:23:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_mousedev [2025-03-04 04:23:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2025-03-04 04:23:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2025-03-04 04:23:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2025-03-04 04:23:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2025-03-04 04:23:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 04:23:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 04:23:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 04:23:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 04:23:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 04:23:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 04:23:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 04:23:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 04:23:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-04 04:23:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 04:23:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 04:23:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-03-04 04:23:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-03-04 04:23:39,573 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 04:23:39,577 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 04:23:39,609 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6451: havoc #t~nondet565; [2025-03-04 04:23:39,613 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-04 04:23:39,850 INFO L1325 $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; [2025-03-04 04:23:39,850 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6437: havoc cdev_add_#t~nondet563#1; [2025-03-04 04:23:39,850 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6455: havoc device_add_#t~nondet566#1; [2025-03-04 04:23:39,850 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6489: havoc input_register_handle_#t~nondet571#1; [2025-03-04 04:23:39,850 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3955: havoc dev_name_#t~mem128#1.base, dev_name_#t~mem128#1.offset; [2025-03-04 04:23:39,850 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3947: havoc kobject_name_#t~mem126#1.base, kobject_name_#t~mem126#1.offset; [2025-03-04 04:23:39,903 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6447: havoc #t~nondet564; [2025-03-04 04:23:39,906 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6471: havoc #t~ret568.base, #t~ret568.offset; [2025-03-04 04:23:39,931 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3420: havoc #t~mem7;havoc #t~bitwise8; [2025-03-04 04:23:39,937 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6570: havoc #t~nondet583; [2025-03-04 04:23:40,197 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6408: havoc __msecs_to_jiffies_#t~nondet561#1; [2025-03-04 04:23:40,477 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6481: havoc #t~nondet569; [2025-03-04 04:23:40,943 INFO L1325 $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; [2025-03-04 04:23:41,215 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6465: havoc fasync_helper_#t~nondet567#1; [2025-03-04 04:23:41,223 INFO L1325 $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; [2025-03-04 04:23:41,267 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6540: havoc #t~nondet577; [2025-03-04 04:23:41,273 INFO L1325 $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; [2025-03-04 04:23:41,317 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6485: havoc input_open_device_#t~nondet570#1; [2025-03-04 04:23:41,318 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5573-1: ldv_mutex_lock_interruptible_12_#res#1 := ldv_mutex_lock_interruptible_12_~ldv_func_res~1#1; [2025-03-04 04:23:41,319 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6563: havoc #t~nondet582; [2025-03-04 04:23:41,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3871: havoc __kmalloc_#t~ret96#1.base, __kmalloc_#t~ret96#1.offset; [2025-03-04 04:23:46,386 INFO L1325 $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; [2025-03-04 04:23:46,386 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6513: havoc ldv_release_1_#t~nondet574#1; [2025-03-04 04:23:46,386 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3904: havoc imajor_#t~mem100#1; [2025-03-04 04:23:46,386 INFO L1325 $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; [2025-03-04 04:23:46,386 INFO L1325 $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; [2025-03-04 04:23:46,386 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6551: havoc nonseekable_open_#t~nondet579#1; [2025-03-04 04:23:46,386 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6421: havoc _copy_to_user_#t~nondet562#1; [2025-03-04 04:23:46,386 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6555: havoc noop_llseek_#t~nondet580#1; [2025-03-04 04:23:46,386 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6559: havoc prepare_to_wait_event_#t~nondet581#1; [2025-03-04 04:23:46,387 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6493: havoc input_register_handler_#t~nondet572#1; [2025-03-04 04:23:46,387 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6529: havoc misc_deregister_#t~nondet575#1; [2025-03-04 04:23:46,387 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6533: havoc misc_register_#t~nondet576#1; [2025-03-04 04:23:46,387 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5610-1: ldv_mutex_lock_interruptible_16_#res#1 := ldv_mutex_lock_interruptible_16_~ldv_func_res~2#1; [2025-03-04 04:23:46,387 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5680-1: ldv_mutex_lock_interruptible_24_#res#1 := ldv_mutex_lock_interruptible_24_~ldv_func_res~3#1; [2025-03-04 04:23:46,387 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6506: havoc ldv_bind_1_#t~nondet573#1; [2025-03-04 04:23:46,778 INFO L? ?]: Removed 1541 outVars from TransFormulas that were not future-live. [2025-03-04 04:23:46,778 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 04:23:46,827 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 04:23:46,828 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-04 04:23:46,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:23:46 BoogieIcfgContainer [2025-03-04 04:23:46,828 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 04:23:46,831 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 04:23:46,831 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 04:23:46,835 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 04:23:46,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 04:23:36" (1/3) ... [2025-03-04 04:23:46,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6179e827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:23:46, skipping insertion in model container [2025-03-04 04:23:46,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:23:38" (2/3) ... [2025-03-04 04:23:46,836 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6179e827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:23:46, skipping insertion in model container [2025-03-04 04:23:46,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:23:46" (3/3) ... [2025-03-04 04:23:46,837 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2025-03-04 04:23:46,850 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 04:23:46,853 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, 1107 locations, 1 initial locations, 27 loop locations, and 1 error locations. [2025-03-04 04:23:46,912 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 04:23:46,919 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;@495bcf27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 04:23:46,920 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 04:23:46,926 INFO L276 IsEmpty]: Start isEmpty. Operand has 1043 states, 771 states have (on average 1.3787289234760052) internal successors, (1063), 806 states have internal predecessors, (1063), 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) [2025-03-04 04:23:46,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2025-03-04 04:23:46,940 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:23:46,941 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] [2025-03-04 04:23:46,941 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:23:46,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:23:46,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1863435003, now seen corresponding path program 1 times [2025-03-04 04:23:46,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:23:46,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263054508] [2025-03-04 04:23:46,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:23:46,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:23:51,369 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 244 statements into 1 equivalence classes. [2025-03-04 04:23:51,603 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 244 of 244 statements. [2025-03-04 04:23:51,603 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:23:51,603 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:23:51,997 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2025-03-04 04:23:51,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:23:51,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263054508] [2025-03-04 04:23:51,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263054508] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 04:23:51,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811813765] [2025-03-04 04:23:51,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:23:51,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 04:23:51,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 04:23:52,001 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) [2025-03-04 04:23:52,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 04:23:56,353 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 244 statements into 1 equivalence classes. [2025-03-04 04:23:56,691 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 244 of 244 statements. [2025-03-04 04:23:56,691 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:23:56,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:23:56,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 3450 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 04:23:56,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 04:23:56,750 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 653 trivial. 0 not checked. [2025-03-04 04:23:56,751 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 04:23:56,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [811813765] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:23:56,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 04:23:56,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-04 04:23:56,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104616537] [2025-03-04 04:23:56,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:23:56,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 04:23:56,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:23:56,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 04:23:56,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 04:23:56,773 INFO L87 Difference]: Start difference. First operand has 1043 states, 771 states have (on average 1.3787289234760052) internal successors, (1063), 806 states have internal predecessors, (1063), 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 26.0) internal successors, (52), 2 states have internal predecessors, (52), 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) [2025-03-04 04:23:57,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:23:57,021 INFO L93 Difference]: Finished difference Result 2081 states and 2983 transitions. [2025-03-04 04:23:57,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 04:23:57,024 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 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 244 [2025-03-04 04:23:57,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:23:57,046 INFO L225 Difference]: With dead ends: 2081 [2025-03-04 04:23:57,046 INFO L226 Difference]: Without dead ends: 1032 [2025-03-04 04:23:57,054 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 04:23:57,056 INFO L435 NwaCegarLoop]: 1434 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, 1434 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 [2025-03-04 04:23:57,057 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1434 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 04:23:57,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2025-03-04 04:23:57,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 1032. [2025-03-04 04:23:57,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 766 states have (on average 1.366840731070496) internal successors, (1047), 795 states have internal predecessors, (1047), 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) [2025-03-04 04:23:57,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1438 transitions. [2025-03-04 04:23:57,159 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1438 transitions. Word has length 244 [2025-03-04 04:23:57,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:23:57,160 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1438 transitions. [2025-03-04 04:23:57,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 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) [2025-03-04 04:23:57,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1438 transitions. [2025-03-04 04:23:57,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2025-03-04 04:23:57,167 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:23:57,171 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] [2025-03-04 04:23:57,188 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 04:23:57,371 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 [2025-03-04 04:23:57,372 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:23:57,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:23:57,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1932137219, now seen corresponding path program 1 times [2025-03-04 04:23:57,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:23:57,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253141524] [2025-03-04 04:23:57,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:23:57,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:24:01,274 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 244 statements into 1 equivalence classes. [2025-03-04 04:24:01,398 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 244 of 244 statements. [2025-03-04 04:24:01,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:24:01,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:24:01,771 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2025-03-04 04:24:01,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:24:01,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253141524] [2025-03-04 04:24:01,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253141524] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:24:01,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:24:01,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:24:01,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486451456] [2025-03-04 04:24:01,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:24:01,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:24:01,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:24:01,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:24:01,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:24:01,773 INFO L87 Difference]: Start difference. First operand 1032 states and 1438 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, (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) [2025-03-04 04:24:02,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:24:02,414 INFO L93 Difference]: Finished difference Result 2676 states and 3694 transitions. [2025-03-04 04:24:02,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:24:02,415 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, (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 244 [2025-03-04 04:24:02,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:24:02,429 INFO L225 Difference]: With dead ends: 2676 [2025-03-04 04:24:02,432 INFO L226 Difference]: Without dead ends: 1690 [2025-03-04 04:24:02,437 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 [2025-03-04 04:24:02,437 INFO L435 NwaCegarLoop]: 1490 mSDtfsCounter, 938 mSDsluCounter, 1334 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 938 SdHoareTripleChecker+Valid, 2824 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 04:24:02,437 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [938 Valid, 2824 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 04:24:02,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2025-03-04 04:24:02,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1675. [2025-03-04 04:24:02,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1675 states, 1244 states have (on average 1.3488745980707395) internal successors, (1678), 1286 states have internal predecessors, (1678), 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) [2025-03-04 04:24:02,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 2301 transitions. [2025-03-04 04:24:02,517 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 2301 transitions. Word has length 244 [2025-03-04 04:24:02,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:24:02,518 INFO L471 AbstractCegarLoop]: Abstraction has 1675 states and 2301 transitions. [2025-03-04 04:24:02,518 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, (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) [2025-03-04 04:24:02,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 2301 transitions. [2025-03-04 04:24:02,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2025-03-04 04:24:02,520 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:24:02,521 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] [2025-03-04 04:24:02,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 04:24:02,521 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:24:02,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:24:02,521 INFO L85 PathProgramCache]: Analyzing trace with hash 741063056, now seen corresponding path program 1 times [2025-03-04 04:24:02,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:24:02,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554523069] [2025-03-04 04:24:02,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:24:02,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:24:06,542 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 249 statements into 1 equivalence classes. [2025-03-04 04:24:06,630 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 249 of 249 statements. [2025-03-04 04:24:06,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:24:06,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:24:07,074 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2025-03-04 04:24:07,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:24:07,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554523069] [2025-03-04 04:24:07,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554523069] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:24:07,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:24:07,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:24:07,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525886959] [2025-03-04 04:24:07,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:24:07,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:24:07,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:24:07,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:24:07,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:24:07,077 INFO L87 Difference]: Start difference. First operand 1675 states and 2301 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2025-03-04 04:24:11,108 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 [] [2025-03-04 04:24:12,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:24:12,055 INFO L93 Difference]: Finished difference Result 4766 states and 6550 transitions. [2025-03-04 04:24:12,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:24:12,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 249 [2025-03-04 04:24:12,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:24:12,075 INFO L225 Difference]: With dead ends: 4766 [2025-03-04 04:24:12,075 INFO L226 Difference]: Without dead ends: 3137 [2025-03-04 04:24:12,081 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 [2025-03-04 04:24:12,082 INFO L435 NwaCegarLoop]: 2012 mSDtfsCounter, 1340 mSDsluCounter, 1377 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1340 SdHoareTripleChecker+Valid, 3389 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2025-03-04 04:24:12,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1340 Valid, 3389 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2025-03-04 04:24:12,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3137 states. [2025-03-04 04:24:12,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3137 to 3132. [2025-03-04 04:24:12,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3132 states, 2342 states have (on average 1.3548249359521776) internal successors, (3173), 2415 states have internal predecessors, (3173), 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) [2025-03-04 04:24:12,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3132 states to 3132 states and 4302 transitions. [2025-03-04 04:24:12,188 INFO L78 Accepts]: Start accepts. Automaton has 3132 states and 4302 transitions. Word has length 249 [2025-03-04 04:24:12,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:24:12,189 INFO L471 AbstractCegarLoop]: Abstraction has 3132 states and 4302 transitions. [2025-03-04 04:24:12,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2025-03-04 04:24:12,189 INFO L276 IsEmpty]: Start isEmpty. Operand 3132 states and 4302 transitions. [2025-03-04 04:24:12,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2025-03-04 04:24:12,193 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:24:12,194 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] [2025-03-04 04:24:12,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 04:24:12,195 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:24:12,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:24:12,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1009875717, now seen corresponding path program 1 times [2025-03-04 04:24:12,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:24:12,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644860219] [2025-03-04 04:24:12,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:24:12,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:24:15,862 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 275 statements into 1 equivalence classes. [2025-03-04 04:24:15,949 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 275 of 275 statements. [2025-03-04 04:24:15,949 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:24:15,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:24:16,229 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2025-03-04 04:24:16,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:24:16,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644860219] [2025-03-04 04:24:16,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644860219] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:24:16,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:24:16,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:24:16,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966622659] [2025-03-04 04:24:16,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:24:16,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:24:16,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:24:16,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:24:16,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:24:16,232 INFO L87 Difference]: Start difference. First operand 3132 states and 4302 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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) [2025-03-04 04:24:17,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:24:17,103 INFO L93 Difference]: Finished difference Result 7721 states and 10552 transitions. [2025-03-04 04:24:17,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:24:17,103 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), 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 275 [2025-03-04 04:24:17,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:24:17,132 INFO L225 Difference]: With dead ends: 7721 [2025-03-04 04:24:17,132 INFO L226 Difference]: Without dead ends: 4645 [2025-03-04 04:24:17,144 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 [2025-03-04 04:24:17,145 INFO L435 NwaCegarLoop]: 1426 mSDtfsCounter, 948 mSDsluCounter, 1292 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 948 SdHoareTripleChecker+Valid, 2718 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-04 04:24:17,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [948 Valid, 2718 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-04 04:24:17,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4645 states. [2025-03-04 04:24:17,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4645 to 4605. [2025-03-04 04:24:17,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4605 states, 3418 states have (on average 1.3493270918665887) internal successors, (4612), 3531 states have internal predecessors, (4612), 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) [2025-03-04 04:24:17,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4605 states to 4605 states and 6277 transitions. [2025-03-04 04:24:17,288 INFO L78 Accepts]: Start accepts. Automaton has 4605 states and 6277 transitions. Word has length 275 [2025-03-04 04:24:17,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:24:17,289 INFO L471 AbstractCegarLoop]: Abstraction has 4605 states and 6277 transitions. [2025-03-04 04:24:17,289 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), 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) [2025-03-04 04:24:17,289 INFO L276 IsEmpty]: Start isEmpty. Operand 4605 states and 6277 transitions. [2025-03-04 04:24:17,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2025-03-04 04:24:17,291 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:24:17,292 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, 1, 1, 1] [2025-03-04 04:24:17,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 04:24:17,292 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:24:17,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:24:17,292 INFO L85 PathProgramCache]: Analyzing trace with hash 159750381, now seen corresponding path program 1 times [2025-03-04 04:24:17,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:24:17,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540332899] [2025-03-04 04:24:17,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:24:17,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:24:20,953 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 278 statements into 1 equivalence classes. [2025-03-04 04:24:21,030 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 278 of 278 statements. [2025-03-04 04:24:21,030 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:24:21,031 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:24:21,968 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2025-03-04 04:24:21,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:24:21,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540332899] [2025-03-04 04:24:21,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540332899] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:24:21,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:24:21,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 04:24:21,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668090854] [2025-03-04 04:24:21,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:24:21,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 04:24:21,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:24:21,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 04:24:21,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 04:24:21,970 INFO L87 Difference]: Start difference. First operand 4605 states and 6277 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 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) [2025-03-04 04:24:25,999 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 [] [2025-03-04 04:24:46,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:24:46,981 INFO L93 Difference]: Finished difference Result 13202 states and 18189 transitions. [2025-03-04 04:24:46,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 04:24:46,981 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 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 278 [2025-03-04 04:24:46,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:24:47,026 INFO L225 Difference]: With dead ends: 13202 [2025-03-04 04:24:47,026 INFO L226 Difference]: Without dead ends: 8656 [2025-03-04 04:24:47,045 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 [2025-03-04 04:24:47,046 INFO L435 NwaCegarLoop]: 717 mSDtfsCounter, 2501 mSDsluCounter, 917 mSDsCounter, 0 mSdLazyCounter, 1777 mSolverCounterSat, 556 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2640 SdHoareTripleChecker+Valid, 1634 SdHoareTripleChecker+Invalid, 2334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 556 IncrementalHoareTripleChecker+Valid, 1777 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.5s IncrementalHoareTripleChecker+Time [2025-03-04 04:24:47,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2640 Valid, 1634 Invalid, 2334 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [556 Valid, 1777 Invalid, 1 Unknown, 0 Unchecked, 24.5s Time] [2025-03-04 04:24:47,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8656 states. [2025-03-04 04:24:47,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8656 to 8561. [2025-03-04 04:24:47,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8561 states, 6446 states have (on average 1.3582066397766057) internal successors, (8755), 6662 states have internal predecessors, (8755), 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) [2025-03-04 04:24:47,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8561 states to 8561 states and 11775 transitions. [2025-03-04 04:24:47,332 INFO L78 Accepts]: Start accepts. Automaton has 8561 states and 11775 transitions. Word has length 278 [2025-03-04 04:24:47,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:24:47,333 INFO L471 AbstractCegarLoop]: Abstraction has 8561 states and 11775 transitions. [2025-03-04 04:24:47,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 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) [2025-03-04 04:24:47,333 INFO L276 IsEmpty]: Start isEmpty. Operand 8561 states and 11775 transitions. [2025-03-04 04:24:47,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2025-03-04 04:24:47,336 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:24:47,336 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, 1, 1, 1, 1] [2025-03-04 04:24:47,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 04:24:47,337 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:24:47,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:24:47,338 INFO L85 PathProgramCache]: Analyzing trace with hash -43445557, now seen corresponding path program 1 times [2025-03-04 04:24:47,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:24:47,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715921579] [2025-03-04 04:24:47,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:24:47,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:24:50,943 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 279 statements into 1 equivalence classes. [2025-03-04 04:24:50,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 279 of 279 statements. [2025-03-04 04:24:50,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:24:50,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:24:51,427 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2025-03-04 04:24:51,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:24:51,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715921579] [2025-03-04 04:24:51,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715921579] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:24:51,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:24:51,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:24:51,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37471760] [2025-03-04 04:24:51,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:24:51,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:24:51,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:24:51,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:24:51,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:24:51,429 INFO L87 Difference]: Start difference. First operand 8561 states and 11775 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2025-03-04 04:24:51,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:24:51,879 INFO L93 Difference]: Finished difference Result 8563 states and 11776 transitions. [2025-03-04 04:24:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:24:51,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 279 [2025-03-04 04:24:51,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:24:51,926 INFO L225 Difference]: With dead ends: 8563 [2025-03-04 04:24:51,926 INFO L226 Difference]: Without dead ends: 8560 [2025-03-04 04:24:51,932 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 [2025-03-04 04:24:51,933 INFO L435 NwaCegarLoop]: 1418 mSDtfsCounter, 1381 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1381 SdHoareTripleChecker+Valid, 1418 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 [2025-03-04 04:24:51,933 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1381 Valid, 1418 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 04:24:51,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8560 states. [2025-03-04 04:24:52,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8560 to 8560. [2025-03-04 04:24:52,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8560 states, 6446 states have (on average 1.3578963698417623) internal successors, (8753), 6661 states have internal predecessors, (8753), 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) [2025-03-04 04:24:52,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8560 states to 8560 states and 11772 transitions. [2025-03-04 04:24:52,273 INFO L78 Accepts]: Start accepts. Automaton has 8560 states and 11772 transitions. Word has length 279 [2025-03-04 04:24:52,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:24:52,273 INFO L471 AbstractCegarLoop]: Abstraction has 8560 states and 11772 transitions. [2025-03-04 04:24:52,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2025-03-04 04:24:52,274 INFO L276 IsEmpty]: Start isEmpty. Operand 8560 states and 11772 transitions. [2025-03-04 04:24:52,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2025-03-04 04:24:52,276 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:24:52,276 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, 1, 1, 1, 1, 1] [2025-03-04 04:24:52,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 04:24:52,277 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:24:52,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:24:52,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1347517131, now seen corresponding path program 1 times [2025-03-04 04:24:52,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:24:52,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793504357] [2025-03-04 04:24:52,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:24:52,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:24:56,153 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 280 statements into 1 equivalence classes. [2025-03-04 04:24:56,222 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 280 of 280 statements. [2025-03-04 04:24:56,222 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:24:56,222 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:24:56,475 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2025-03-04 04:24:56,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:24:56,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793504357] [2025-03-04 04:24:56,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793504357] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:24:56,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:24:56,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:24:56,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935885341] [2025-03-04 04:24:56,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:24:56,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:24:56,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:24:56,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:24:56,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:24:56,479 INFO L87 Difference]: Start difference. First operand 8560 states and 11772 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2025-03-04 04:24:56,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:24:56,808 INFO L93 Difference]: Finished difference Result 8562 states and 11773 transitions. [2025-03-04 04:24:56,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:24:56,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 280 [2025-03-04 04:24:56,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:24:56,854 INFO L225 Difference]: With dead ends: 8562 [2025-03-04 04:24:56,855 INFO L226 Difference]: Without dead ends: 8559 [2025-03-04 04:24:56,859 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 [2025-03-04 04:24:56,861 INFO L435 NwaCegarLoop]: 1416 mSDtfsCounter, 1378 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1378 SdHoareTripleChecker+Valid, 1416 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 [2025-03-04 04:24:56,861 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1378 Valid, 1416 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 04:24:56,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8559 states. [2025-03-04 04:24:57,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8559 to 8559. [2025-03-04 04:24:57,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8559 states, 6446 states have (on average 1.357586099906919) internal successors, (8751), 6660 states have internal predecessors, (8751), 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) [2025-03-04 04:24:57,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8559 states to 8559 states and 11769 transitions. [2025-03-04 04:24:57,154 INFO L78 Accepts]: Start accepts. Automaton has 8559 states and 11769 transitions. Word has length 280 [2025-03-04 04:24:57,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:24:57,155 INFO L471 AbstractCegarLoop]: Abstraction has 8559 states and 11769 transitions. [2025-03-04 04:24:57,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2025-03-04 04:24:57,156 INFO L276 IsEmpty]: Start isEmpty. Operand 8559 states and 11769 transitions. [2025-03-04 04:24:57,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2025-03-04 04:24:57,160 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:24:57,161 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, 1, 1, 1, 1, 1, 1] [2025-03-04 04:24:57,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-04 04:24:57,161 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:24:57,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:24:57,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1175936012, now seen corresponding path program 1 times [2025-03-04 04:24:57,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:24:57,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191641161] [2025-03-04 04:24:57,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:24:57,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:25:01,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 281 statements into 1 equivalence classes. [2025-03-04 04:25:01,500 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 281 of 281 statements. [2025-03-04 04:25:01,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:25:01,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:25:01,740 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2025-03-04 04:25:01,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:25:01,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191641161] [2025-03-04 04:25:01,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191641161] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:25:01,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:25:01,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:25:01,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430243776] [2025-03-04 04:25:01,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:25:01,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:25:01,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:25:01,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:25:01,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:25:01,743 INFO L87 Difference]: Start difference. First operand 8559 states and 11769 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2025-03-04 04:25:02,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:25:02,100 INFO L93 Difference]: Finished difference Result 8561 states and 11770 transitions. [2025-03-04 04:25:02,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:25:02,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 281 [2025-03-04 04:25:02,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:25:02,138 INFO L225 Difference]: With dead ends: 8561 [2025-03-04 04:25:02,139 INFO L226 Difference]: Without dead ends: 8515 [2025-03-04 04:25:02,149 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 [2025-03-04 04:25:02,151 INFO L435 NwaCegarLoop]: 1414 mSDtfsCounter, 1375 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1375 SdHoareTripleChecker+Valid, 1414 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 [2025-03-04 04:25:02,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1375 Valid, 1414 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 04:25:02,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8515 states. [2025-03-04 04:25:02,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8515 to 8513. [2025-03-04 04:25:02,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8513 states, 6416 states have (on average 1.3576995012468829) internal successors, (8711), 6629 states have internal predecessors, (8711), 1469 states have call successors, (1469), 667 states have call predecessors, (1469), 627 states have return successors, (1520), 1357 states have call predecessors, (1520), 1448 states have call successors, (1520) [2025-03-04 04:25:02,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8513 states to 8513 states and 11700 transitions. [2025-03-04 04:25:02,523 INFO L78 Accepts]: Start accepts. Automaton has 8513 states and 11700 transitions. Word has length 281 [2025-03-04 04:25:02,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:25:02,524 INFO L471 AbstractCegarLoop]: Abstraction has 8513 states and 11700 transitions. [2025-03-04 04:25:02,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2025-03-04 04:25:02,525 INFO L276 IsEmpty]: Start isEmpty. Operand 8513 states and 11700 transitions. [2025-03-04 04:25:02,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2025-03-04 04:25:02,529 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:25:02,529 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 04:25:02,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-04 04:25:02,530 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:25:02,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:25:02,530 INFO L85 PathProgramCache]: Analyzing trace with hash -80209579, now seen corresponding path program 1 times [2025-03-04 04:25:02,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:25:02,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784880822] [2025-03-04 04:25:02,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:25:02,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms