./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-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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-08_1a-drivers--atm--atmtcp.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 f6def3055939e7924c556782ca9d4709018ae81be71dcf327652b82e5d7c7965 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 03:29:34,035 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 03:29:34,109 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 03:29:34,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 03:29:34,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 03:29:34,139 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 03:29:34,139 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 03:29:34,140 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 03:29:34,140 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 03:29:34,141 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 03:29:34,141 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 03:29:34,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 03:29:34,142 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 03:29:34,142 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 03:29:34,142 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 03:29:34,143 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 03:29:34,143 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 03:29:34,149 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 03:29:34,149 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 03:29:34,150 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 03:29:34,150 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 03:29:34,150 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 03:29:34,151 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 03:29:34,151 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 03:29:34,154 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 03:29:34,155 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 03:29:34,155 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 03:29:34,155 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 03:29:34,155 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 03:29:34,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:29:34,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 03:29:34,156 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 03:29:34,156 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 03:29:34,156 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 03:29:34,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 03:29:34,157 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 03:29:34,157 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 03:29:34,157 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 03:29:34,157 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 03:29:34,158 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6def3055939e7924c556782ca9d4709018ae81be71dcf327652b82e5d7c7965 [2024-11-19 03:29:34,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 03:29:34,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 03:29:34,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 03:29:34,433 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 03:29:34,434 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 03:29:34,435 INFO L431 ainManager$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-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i [2024-11-19 03:29:35,944 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 03:29:36,433 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 03:29:36,433 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i [2024-11-19 03:29:36,493 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/929179a03/08e07b1dd36b46aab1ee50163c8664aa/FLAG8cd3f14ac [2024-11-19 03:29:36,510 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/929179a03/08e07b1dd36b46aab1ee50163c8664aa [2024-11-19 03:29:36,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 03:29:36,514 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 03:29:36,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 03:29:36,515 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 03:29:36,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 03:29:36,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:29:36" (1/1) ... [2024-11-19 03:29:36,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72dc016f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:36, skipping insertion in model container [2024-11-19 03:29:36,526 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:29:36" (1/1) ... [2024-11-19 03:29:36,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 03:29:37,812 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-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i[225448,225461] [2024-11-19 03:29:37,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:29:37,912 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 03:29:38,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6012] [2024-11-19 03:29:38,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6014] [2024-11-19 03:29:38,037 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"); [6024] [2024-11-19 03:29:38,037 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)); [6031] [2024-11-19 03:29:38,038 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; btc %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [6038] [2024-11-19 03:29:38,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [6052-6053] [2024-11-19 03:29:38,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [6060] [2024-11-19 03:29:38,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6089] [2024-11-19 03:29:38,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6092] [2024-11-19 03:29:38,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6095] [2024-11-19 03:29:38,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6098] [2024-11-19 03:29:38,042 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; addl %1,%0": "+m" (v->counter): "ir" (i)); [6113] [2024-11-19 03:29:38,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [6120] [2024-11-19 03:29:38,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [6128-6129] [2024-11-19 03:29:38,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/atmdev.h"), "i" (271), "i" (12UL)); [6402-6403] [2024-11-19 03:29:38,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6468] [2024-11-19 03:29:38,097 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6490] [2024-11-19 03:29:38,100 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [6503-6504] [2024-11-19 03:29:38,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [6508-6509] [2024-11-19 03:29:38,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___6->state): : "memory", "cc"); [6513-6514] [2024-11-19 03:29:38,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___7->state): : "memory", "cc"); [6518-6519] [2024-11-19 03:29:38,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___10->state): : "memory", "cc"); [6539-6540] [2024-11-19 03:29:38,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___11->state): : "memory", "cc"); [6544-6545] [2024-11-19 03:29:38,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___12->state): : "memory", "cc"); [6549-6550] [2024-11-19 03:29:38,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___13->state): : "memory", "cc"); [6554-6555] [2024-11-19 03:29:38,257 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-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i[225448,225461] [2024-11-19 03:29:38,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:29:38,336 INFO L204 MainTranslator]: Completed translation [2024-11-19 03:29:38,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:38 WrapperNode [2024-11-19 03:29:38,338 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 03:29:38,339 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 03:29:38,339 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 03:29:38,339 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 03:29:38,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:38" (1/1) ... [2024-11-19 03:29:38,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:38" (1/1) ... [2024-11-19 03:29:38,543 INFO L138 Inliner]: procedures = 142, calls = 1108, calls flagged for inlining = 59, calls inlined = 58, statements flattened = 2562 [2024-11-19 03:29:38,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 03:29:38,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 03:29:38,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 03:29:38,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 03:29:38,556 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:38" (1/1) ... [2024-11-19 03:29:38,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:38" (1/1) ... [2024-11-19 03:29:38,582 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:38" (1/1) ... [2024-11-19 03:29:38,847 INFO L175 MemorySlicer]: Split 830 memory accesses to 15 slices as follows [2, 15, 1, 1, 4, 4, 7, 2, 4, 650, 11, 12, 110, 2, 5]. 78 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [2, 0, 0, 1, 0, 4, 7, 0, 4, 7, 0, 0, 0, 0, 0]. The 529 writes are split as follows [0, 15, 0, 0, 1, 0, 0, 0, 0, 450, 3, 2, 52, 1, 5]. [2024-11-19 03:29:38,851 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:38" (1/1) ... [2024-11-19 03:29:38,852 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:38" (1/1) ... [2024-11-19 03:29:38,949 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:38" (1/1) ... [2024-11-19 03:29:38,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:38" (1/1) ... [2024-11-19 03:29:38,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:38" (1/1) ... [2024-11-19 03:29:39,015 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:38" (1/1) ... [2024-11-19 03:29:39,043 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 03:29:39,045 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 03:29:39,045 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 03:29:39,045 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 03:29:39,046 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:38" (1/1) ... [2024-11-19 03:29:39,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:29:39,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:29:39,088 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) [2024-11-19 03:29:39,099 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 [2024-11-19 03:29:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure atm_sk [2024-11-19 03:29:39,147 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_sk [2024-11-19 03:29:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2024-11-19 03:29:39,147 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2024-11-19 03:29:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 03:29:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 03:29:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 03:29:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 03:29:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 03:29:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 03:29:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 03:29:39,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 03:29:39,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 03:29:39,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 03:29:39,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 03:29:39,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-19 03:29:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-19 03:29:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-19 03:29:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-19 03:29:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure change_bit [2024-11-19 03:29:39,152 INFO L138 BoogieDeclarations]: Found implementation of procedure change_bit [2024-11-19 03:29:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure atm_alloc_charge [2024-11-19 03:29:39,152 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_alloc_charge [2024-11-19 03:29:39,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-19 03:29:39,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-19 03:29:39,153 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2024-11-19 03:29:39,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __xchg_wrong_size [2024-11-19 03:29:39,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-19 03:29:39,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-19 03:29:39,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-19 03:29:39,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-19 03:29:39,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-19 03:29:39,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-19 03:29:39,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-19 03:29:39,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-19 03:29:39,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-19 03:29:39,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-19 03:29:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-19 03:29:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-19 03:29:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-19 03:29:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-19 03:29:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-19 03:29:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 03:29:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 03:29:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 03:29:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 03:29:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 03:29:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 03:29:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 03:29:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 03:29:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 03:29:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 03:29:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 03:29:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-19 03:29:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-19 03:29:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-19 03:29:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-19 03:29:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 03:29:39,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 03:29:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 03:29:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 03:29:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 03:29:39,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 03:29:39,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 03:29:39,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 03:29:39,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 03:29:39,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 03:29:39,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 03:29:39,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 03:29:39,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 03:29:39,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 03:29:39,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 03:29:39,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 03:29:39,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-19 03:29:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-19 03:29:39,162 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-19 03:29:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2024-11-19 03:29:39,162 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2024-11-19 03:29:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-19 03:29:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-19 03:29:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-19 03:29:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-19 03:29:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-19 03:29:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-19 03:29:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-19 03:29:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-19 03:29:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-19 03:29:39,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-19 03:29:39,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-19 03:29:39,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-19 03:29:39,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-19 03:29:39,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-19 03:29:39,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-19 03:29:39,165 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-19 03:29:39,165 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-19 03:29:39,165 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-19 03:29:39,166 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-19 03:29:39,166 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-19 03:29:39,166 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-19 03:29:39,167 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-19 03:29:39,167 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-19 03:29:39,167 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-19 03:29:39,167 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-19 03:29:39,167 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-19 03:29:39,167 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-19 03:29:39,167 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-19 03:29:39,167 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-19 03:29:39,167 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-19 03:29:39,168 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-19 03:29:39,168 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-19 03:29:39,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 03:29:39,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 03:29:39,168 INFO L130 BoogieDeclarations]: Found specification of procedure sk_sleep [2024-11-19 03:29:39,168 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_sleep [2024-11-19 03:29:39,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2024-11-19 03:29:39,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2024-11-19 03:29:39,169 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_ioctl [2024-11-19 03:29:39,169 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_ioctl [2024-11-19 03:29:39,170 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-19 03:29:39,170 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-19 03:29:39,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 03:29:39,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 03:29:39,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 03:29:39,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 03:29:39,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 03:29:39,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 03:29:39,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 03:29:39,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 03:29:39,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 03:29:39,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 03:29:39,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 03:29:39,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 03:29:39,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 03:29:39,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 03:29:39,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-19 03:29:39,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-19 03:29:39,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-19 03:29:39,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-19 03:29:39,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-19 03:29:39,172 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-19 03:29:39,173 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-19 03:29:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 03:29:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 03:29:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 03:29:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-19 03:29:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-19 03:29:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-19 03:29:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-19 03:29:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-19 03:29:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-19 03:29:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-19 03:29:39,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-19 03:29:39,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-19 03:29:39,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-19 03:29:39,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-19 03:29:39,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-19 03:29:39,174 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 03:29:39,176 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 03:29:39,176 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 03:29:39,176 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-19 03:29:39,176 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-19 03:29:39,176 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-19 03:29:39,177 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-19 03:29:39,177 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-19 03:29:39,177 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-19 03:29:39,177 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-19 03:29:39,177 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-19 03:29:39,177 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-19 03:29:39,178 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-19 03:29:39,178 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-19 03:29:39,178 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-19 03:29:39,178 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_dev_close [2024-11-19 03:29:39,179 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_dev_close [2024-11-19 03:29:39,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-19 03:29:39,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-19 03:29:39,179 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 03:29:39,179 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 03:29:39,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 03:29:39,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-19 03:29:39,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-19 03:29:39,180 INFO L130 BoogieDeclarations]: Found specification of procedure sk_atm [2024-11-19 03:29:39,180 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_atm [2024-11-19 03:29:39,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 03:29:39,180 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2024-11-19 03:29:39,181 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2024-11-19 03:29:39,181 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_c_send [2024-11-19 03:29:39,181 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_c_send [2024-11-19 03:29:39,181 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-19 03:29:39,181 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-19 03:29:39,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 03:29:39,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 03:29:39,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 03:29:39,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 03:29:39,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 03:29:39,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 03:29:39,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 03:29:39,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 03:29:39,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 03:29:39,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 03:29:39,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 03:29:39,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 03:29:39,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 03:29:39,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 03:29:39,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-19 03:29:39,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 03:29:39,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 03:29:39,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 03:29:39,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 03:29:39,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 03:29:39,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 03:29:39,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 03:29:39,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 03:29:39,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 03:29:39,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 03:29:39,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 03:29:39,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 03:29:39,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 03:29:39,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 03:29:39,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 03:29:39,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-19 03:29:39,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-19 03:29:39,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-19 03:29:39,187 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_create [2024-11-19 03:29:39,187 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_create [2024-11-19 03:29:39,187 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_c_close [2024-11-19 03:29:39,187 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_c_close [2024-11-19 03:29:39,188 INFO L130 BoogieDeclarations]: Found specification of procedure atm_dev_deregister [2024-11-19 03:29:39,188 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_dev_deregister [2024-11-19 03:29:39,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 03:29:39,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 03:29:39,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 03:29:39,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 03:29:39,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 03:29:39,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 03:29:39,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 03:29:39,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 03:29:39,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 03:29:39,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-19 03:29:39,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-19 03:29:39,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-19 03:29:39,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-19 03:29:39,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-19 03:29:39,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-19 03:29:39,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-19 03:29:39,190 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_close [2024-11-19 03:29:39,190 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_close [2024-11-19 03:29:39,190 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-19 03:29:39,190 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-19 03:29:39,190 INFO L130 BoogieDeclarations]: Found specification of procedure atm_dev_put [2024-11-19 03:29:39,190 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_dev_put [2024-11-19 03:29:39,190 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-19 03:29:39,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-19 03:29:39,191 INFO L130 BoogieDeclarations]: Found specification of procedure atm_dev_lookup [2024-11-19 03:29:39,191 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_dev_lookup [2024-11-19 03:29:39,191 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-19 03:29:39,191 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-19 03:29:39,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 03:29:39,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 03:29:39,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 03:29:39,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 03:29:39,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 03:29:39,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 03:29:39,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 03:29:39,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 03:29:39,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 03:29:39,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 03:29:39,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 03:29:39,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 03:29:39,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 03:29:39,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 03:29:39,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-19 03:29:39,192 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_send [2024-11-19 03:29:39,192 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_send [2024-11-19 03:29:39,192 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-11-19 03:29:39,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-11-19 03:29:39,193 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_send_control [2024-11-19 03:29:39,193 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_send_control [2024-11-19 03:29:39,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-19 03:29:39,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-19 03:29:39,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-19 03:29:39,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-19 03:29:39,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-19 03:29:39,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-19 03:29:39,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-19 03:29:39,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-19 03:29:39,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-19 03:29:39,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-19 03:29:39,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-19 03:29:39,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-19 03:29:39,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-19 03:29:39,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-19 03:29:39,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-19 03:29:39,197 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2024-11-19 03:29:39,197 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2024-11-19 03:29:39,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 03:29:39,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 03:29:39,198 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2024-11-19 03:29:39,198 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2024-11-19 03:29:39,819 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 03:29:39,824 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 03:29:40,587 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 03:30:03,724 INFO L? ?]: Removed 1191 outVars from TransFormulas that were not future-live. [2024-11-19 03:30:03,724 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 03:30:03,767 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 03:30:03,767 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 03:30:03,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:03 BoogieIcfgContainer [2024-11-19 03:30:03,768 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 03:30:03,770 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 03:30:03,770 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 03:30:03,776 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 03:30:03,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:29:36" (1/3) ... [2024-11-19 03:30:03,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37bb7de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:30:03, skipping insertion in model container [2024-11-19 03:30:03,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:38" (2/3) ... [2024-11-19 03:30:03,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37bb7de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:30:03, skipping insertion in model container [2024-11-19 03:30:03,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:03" (3/3) ... [2024-11-19 03:30:03,779 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i [2024-11-19 03:30:03,797 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 03:30:03,797 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 03:30:03,884 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 03:30:03,890 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;@395de68b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 03:30:03,891 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 03:30:03,899 INFO L276 IsEmpty]: Start isEmpty. Operand has 667 states, 479 states have (on average 1.3402922755741127) internal successors, (642), 499 states have internal predecessors, (642), 142 states have call successors, (142), 45 states have call predecessors, (142), 44 states have return successors, (137), 134 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-19 03:30:03,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-19 03:30:03,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:30:03,919 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:30:03,919 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:30:03,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:30:03,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1544129548, now seen corresponding path program 1 times [2024-11-19 03:30:03,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:30:03,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945193899] [2024-11-19 03:30:03,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:30:03,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:30:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:30:10,417 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-19 03:30:10,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:30:10,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945193899] [2024-11-19 03:30:10,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945193899] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:30:10,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999068221] [2024-11-19 03:30:10,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:30:10,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:30:10,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:30:10,422 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) [2024-11-19 03:30:10,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 03:30:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:30:15,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 3661 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 03:30:15,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:30:15,995 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-11-19 03:30:15,996 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:30:15,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999068221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:30:15,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:30:15,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 03:30:15,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197924503] [2024-11-19 03:30:15,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:30:16,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 03:30:16,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:30:16,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 03:30:16,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 03:30:16,038 INFO L87 Difference]: Start difference. First operand has 667 states, 479 states have (on average 1.3402922755741127) internal successors, (642), 499 states have internal predecessors, (642), 142 states have call successors, (142), 45 states have call predecessors, (142), 44 states have return successors, (137), 134 states have call predecessors, (137), 137 states have call successors, (137) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-19 03:30:16,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:30:16,135 INFO L93 Difference]: Finished difference Result 1329 states and 1875 transitions. [2024-11-19 03:30:16,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 03:30:16,138 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 133 [2024-11-19 03:30:16,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:30:16,154 INFO L225 Difference]: With dead ends: 1329 [2024-11-19 03:30:16,155 INFO L226 Difference]: Without dead ends: 653 [2024-11-19 03:30:16,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 03:30:16,166 INFO L432 NwaCegarLoop]: 916 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:30:16,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 916 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:30:16,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2024-11-19 03:30:16,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 653. [2024-11-19 03:30:16,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 472 states have (on average 1.3241525423728813) internal successors, (625), 485 states have internal predecessors, (625), 137 states have call successors, (137), 44 states have call predecessors, (137), 43 states have return successors, (135), 132 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-19 03:30:16,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 897 transitions. [2024-11-19 03:30:16,290 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 897 transitions. Word has length 133 [2024-11-19 03:30:16,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:30:16,290 INFO L471 AbstractCegarLoop]: Abstraction has 653 states and 897 transitions. [2024-11-19 03:30:16,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-19 03:30:16,291 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 897 transitions. [2024-11-19 03:30:16,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-19 03:30:16,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:30:16,297 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:30:16,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 03:30:16,498 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 [2024-11-19 03:30:16,499 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:30:16,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:30:16,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1978366592, now seen corresponding path program 1 times [2024-11-19 03:30:16,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:30:16,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513228182] [2024-11-19 03:30:16,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:30:16,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:30:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:30:21,731 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-11-19 03:30:21,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:30:21,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513228182] [2024-11-19 03:30:21,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513228182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:30:21,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:30:21,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:30:21,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032091875] [2024-11-19 03:30:21,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:30:21,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:30:21,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:30:21,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:30:21,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:30:21,737 INFO L87 Difference]: Start difference. First operand 653 states and 897 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-19 03:30:25,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:30:26,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:30:26,564 INFO L93 Difference]: Finished difference Result 1895 states and 2610 transitions. [2024-11-19 03:30:26,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:30:26,565 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 133 [2024-11-19 03:30:26,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:30:26,582 INFO L225 Difference]: With dead ends: 1895 [2024-11-19 03:30:26,583 INFO L226 Difference]: Without dead ends: 1270 [2024-11-19 03:30:26,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:30:26,588 INFO L432 NwaCegarLoop]: 910 mSDtfsCounter, 846 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 1793 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-19 03:30:26,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [846 Valid, 1793 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-19 03:30:26,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1270 states. [2024-11-19 03:30:26,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1270 to 1267. [2024-11-19 03:30:26,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1267 states, 919 states have (on average 1.3275299238302503) internal successors, (1220), 944 states have internal predecessors, (1220), 263 states have call successors, (263), 85 states have call predecessors, (263), 84 states have return successors, (261), 255 states have call predecessors, (261), 261 states have call successors, (261) [2024-11-19 03:30:26,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 1744 transitions. [2024-11-19 03:30:26,676 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 1744 transitions. Word has length 133 [2024-11-19 03:30:26,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:30:26,678 INFO L471 AbstractCegarLoop]: Abstraction has 1267 states and 1744 transitions. [2024-11-19 03:30:26,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-19 03:30:26,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1744 transitions. [2024-11-19 03:30:26,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-19 03:30:26,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:30:26,682 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:30:26,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 03:30:26,682 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:30:26,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:30:26,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1792539442, now seen corresponding path program 1 times [2024-11-19 03:30:26,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:30:26,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381943212] [2024-11-19 03:30:26,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:30:26,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:30:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:30:32,312 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-11-19 03:30:32,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:30:32,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381943212] [2024-11-19 03:30:32,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381943212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:30:32,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:30:32,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:30:32,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969908551] [2024-11-19 03:30:32,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:30:32,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:30:32,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:30:32,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:30:32,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:30:32,319 INFO L87 Difference]: Start difference. First operand 1267 states and 1744 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-19 03:30:32,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:30:32,721 INFO L93 Difference]: Finished difference Result 2505 states and 3450 transitions. [2024-11-19 03:30:32,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:30:32,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 136 [2024-11-19 03:30:32,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:30:32,730 INFO L225 Difference]: With dead ends: 2505 [2024-11-19 03:30:32,731 INFO L226 Difference]: Without dead ends: 1266 [2024-11-19 03:30:32,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:30:32,737 INFO L432 NwaCegarLoop]: 892 mSDtfsCounter, 892 mSDsluCounter, 890 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 1782 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:30:32,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [892 Valid, 1782 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 03:30:32,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2024-11-19 03:30:32,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1266. [2024-11-19 03:30:32,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 918 states have (on average 1.3246187363834423) internal successors, (1216), 943 states have internal predecessors, (1216), 263 states have call successors, (263), 85 states have call predecessors, (263), 84 states have return successors, (261), 255 states have call predecessors, (261), 261 states have call successors, (261) [2024-11-19 03:30:32,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1740 transitions. [2024-11-19 03:30:32,815 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1740 transitions. Word has length 136 [2024-11-19 03:30:32,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:30:32,817 INFO L471 AbstractCegarLoop]: Abstraction has 1266 states and 1740 transitions. [2024-11-19 03:30:32,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-19 03:30:32,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1740 transitions. [2024-11-19 03:30:32,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-19 03:30:32,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:30:32,822 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:30:32,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 03:30:32,823 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:30:32,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:30:32,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1783687755, now seen corresponding path program 1 times [2024-11-19 03:30:32,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:30:32,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807136753] [2024-11-19 03:30:32,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:30:32,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:30:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:30:37,832 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-19 03:30:37,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:30:37,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807136753] [2024-11-19 03:30:37,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807136753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:30:37,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:30:37,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:30:37,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000920149] [2024-11-19 03:30:37,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:30:37,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:30:37,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:30:37,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:30:37,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:30:37,835 INFO L87 Difference]: Start difference. First operand 1266 states and 1740 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 03:30:38,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:30:38,062 INFO L93 Difference]: Finished difference Result 3739 states and 5159 transitions. [2024-11-19 03:30:38,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:30:38,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 144 [2024-11-19 03:30:38,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:30:38,083 INFO L225 Difference]: With dead ends: 3739 [2024-11-19 03:30:38,083 INFO L226 Difference]: Without dead ends: 2497 [2024-11-19 03:30:38,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:30:38,091 INFO L432 NwaCegarLoop]: 895 mSDtfsCounter, 855 mSDsluCounter, 854 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 1749 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:30:38,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [855 Valid, 1749 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:30:38,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2497 states. [2024-11-19 03:30:38,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2497 to 2493. [2024-11-19 03:30:38,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2493 states, 1811 states have (on average 1.326891220320265) internal successors, (2403), 1860 states have internal predecessors, (2403), 515 states have call successors, (515), 167 states have call predecessors, (515), 166 states have return successors, (513), 501 states have call predecessors, (513), 513 states have call successors, (513) [2024-11-19 03:30:38,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 3431 transitions. [2024-11-19 03:30:38,227 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 3431 transitions. Word has length 144 [2024-11-19 03:30:38,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:30:38,228 INFO L471 AbstractCegarLoop]: Abstraction has 2493 states and 3431 transitions. [2024-11-19 03:30:38,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 03:30:38,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 3431 transitions. [2024-11-19 03:30:38,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-19 03:30:38,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:30:38,234 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:30:38,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 03:30:38,234 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:30:38,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:30:38,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1559427140, now seen corresponding path program 1 times [2024-11-19 03:30:38,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:30:38,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467597568] [2024-11-19 03:30:38,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:30:38,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:30:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:30:43,017 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-11-19 03:30:43,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:30:43,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467597568] [2024-11-19 03:30:43,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467597568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:30:43,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:30:43,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:30:43,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003881775] [2024-11-19 03:30:43,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:30:43,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:30:43,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:30:43,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:30:43,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:30:43,020 INFO L87 Difference]: Start difference. First operand 2493 states and 3431 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-19 03:30:43,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:30:43,210 INFO L93 Difference]: Finished difference Result 4554 states and 6246 transitions. [2024-11-19 03:30:43,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:30:43,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 150 [2024-11-19 03:30:43,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:30:43,230 INFO L225 Difference]: With dead ends: 4554 [2024-11-19 03:30:43,231 INFO L226 Difference]: Without dead ends: 2089 [2024-11-19 03:30:43,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:30:43,244 INFO L432 NwaCegarLoop]: 748 mSDtfsCounter, 742 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 742 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:30:43,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [742 Valid, 748 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:30:43,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2024-11-19 03:30:43,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2024-11-19 03:30:43,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2089 states, 1527 states have (on average 1.3274394237066143) internal successors, (2027), 1564 states have internal predecessors, (2027), 411 states have call successors, (411), 151 states have call predecessors, (411), 150 states have return successors, (409), 401 states have call predecessors, (409), 409 states have call successors, (409) [2024-11-19 03:30:43,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2847 transitions. [2024-11-19 03:30:43,359 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2847 transitions. Word has length 150 [2024-11-19 03:30:43,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:30:43,360 INFO L471 AbstractCegarLoop]: Abstraction has 2089 states and 2847 transitions. [2024-11-19 03:30:43,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-19 03:30:43,360 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2847 transitions. [2024-11-19 03:30:43,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-19 03:30:43,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:30:43,368 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:30:43,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 03:30:43,369 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:30:43,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:30:43,370 INFO L85 PathProgramCache]: Analyzing trace with hash 2073323335, now seen corresponding path program 1 times [2024-11-19 03:30:43,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:30:43,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276142416] [2024-11-19 03:30:43,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:30:43,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:30:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:30:48,174 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-11-19 03:30:48,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:30:48,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276142416] [2024-11-19 03:30:48,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276142416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:30:48,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:30:48,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:30:48,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10007656] [2024-11-19 03:30:48,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:30:48,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:30:48,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:30:48,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:30:48,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:30:48,176 INFO L87 Difference]: Start difference. First operand 2089 states and 2847 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 03:30:48,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:30:48,472 INFO L93 Difference]: Finished difference Result 4252 states and 5799 transitions. [2024-11-19 03:30:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:30:48,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 177 [2024-11-19 03:30:48,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:30:48,493 INFO L225 Difference]: With dead ends: 4252 [2024-11-19 03:30:48,493 INFO L226 Difference]: Without dead ends: 2191 [2024-11-19 03:30:48,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:30:48,504 INFO L432 NwaCegarLoop]: 784 mSDtfsCounter, 555 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 1491 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:30:48,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 1491 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 03:30:48,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2191 states. [2024-11-19 03:30:48,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2191 to 2178. [2024-11-19 03:30:48,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2178 states, 1589 states have (on average 1.3360604153555695) internal successors, (2123), 1629 states have internal predecessors, (2123), 426 states have call successors, (426), 163 states have call predecessors, (426), 162 states have return successors, (424), 420 states have call predecessors, (424), 424 states have call successors, (424) [2024-11-19 03:30:48,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 2178 states and 2973 transitions. [2024-11-19 03:30:48,616 INFO L78 Accepts]: Start accepts. Automaton has 2178 states and 2973 transitions. Word has length 177 [2024-11-19 03:30:48,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:30:48,617 INFO L471 AbstractCegarLoop]: Abstraction has 2178 states and 2973 transitions. [2024-11-19 03:30:48,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 03:30:48,617 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 2973 transitions. [2024-11-19 03:30:48,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-19 03:30:48,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:30:48,622 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:30:48,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 03:30:48,623 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:30:48,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:30:48,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1942163302, now seen corresponding path program 1 times [2024-11-19 03:30:48,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:30:48,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994466076] [2024-11-19 03:30:48,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:30:48,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:30:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:30:54,321 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2024-11-19 03:30:54,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:30:54,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994466076] [2024-11-19 03:30:54,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994466076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:30:54,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:30:54,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:30:54,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321742109] [2024-11-19 03:30:54,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:30:54,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:30:54,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:30:54,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:30:54,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:30:54,324 INFO L87 Difference]: Start difference. First operand 2178 states and 2973 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-19 03:30:54,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:30:54,795 INFO L93 Difference]: Finished difference Result 3957 states and 5406 transitions. [2024-11-19 03:30:54,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:30:54,796 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 178 [2024-11-19 03:30:54,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:30:54,812 INFO L225 Difference]: With dead ends: 3957 [2024-11-19 03:30:54,813 INFO L226 Difference]: Without dead ends: 2184 [2024-11-19 03:30:54,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:30:54,823 INFO L432 NwaCegarLoop]: 747 mSDtfsCounter, 1 mSDsluCounter, 1483 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2230 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 03:30:54,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2230 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 03:30:54,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2184 states. [2024-11-19 03:30:54,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2184 to 2182. [2024-11-19 03:30:54,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2182 states, 1593 states have (on average 1.335216572504708) internal successors, (2127), 1633 states have internal predecessors, (2127), 426 states have call successors, (426), 163 states have call predecessors, (426), 162 states have return successors, (424), 420 states have call predecessors, (424), 424 states have call successors, (424) [2024-11-19 03:30:54,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 2977 transitions. [2024-11-19 03:30:54,948 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 2977 transitions. Word has length 178 [2024-11-19 03:30:54,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:30:54,949 INFO L471 AbstractCegarLoop]: Abstraction has 2182 states and 2977 transitions. [2024-11-19 03:30:54,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-19 03:30:54,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2977 transitions. [2024-11-19 03:30:54,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-19 03:30:54,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:30:54,954 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:30:54,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 03:30:54,955 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:30:54,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:30:54,957 INFO L85 PathProgramCache]: Analyzing trace with hash 698466621, now seen corresponding path program 1 times [2024-11-19 03:30:54,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:30:54,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531878888] [2024-11-19 03:30:54,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:30:54,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms