./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 e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-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 0.3.0-?-e2fb8be-m [2025-03-08 19:21:46,040 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 19:21:46,093 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 19:21:46,098 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 19:21:46,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 19:21:46,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 19:21:46,121 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 19:21:46,122 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 19:21:46,122 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 19:21:46,122 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 19:21:46,123 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 19:21:46,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 19:21:46,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 19:21:46,123 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 19:21:46,124 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 19:21:46,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 19:21:46,124 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 19:21:46,124 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 19:21:46,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 19:21:46,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 19:21:46,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 19:21:46,125 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 19:21:46,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 19:21:46,125 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 19:21:46,125 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 19:21:46,125 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 19:21:46,125 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 19:21:46,125 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 19:21:46,125 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 19:21:46,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 19:21:46,125 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 19:21:46,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 19:21:46,126 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 19:21:46,126 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 19:21:46,126 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 19:21:46,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 19:21:46,126 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 19:21:46,126 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 19:21:46,126 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 19:21:46,127 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 19:21:46,127 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6def3055939e7924c556782ca9d4709018ae81be71dcf327652b82e5d7c7965 [2025-03-08 19:21:46,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 19:21:46,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 19:21:46,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 19:21:46,399 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 19:21:46,399 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 19:21:46,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i [2025-03-08 19:21:47,608 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f4b83f9e/ebe2f8f211e8487598012ac05869be96/FLAG3180e505f [2025-03-08 19:21:48,060 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 19:21:48,060 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i [2025-03-08 19:21:48,091 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f4b83f9e/ebe2f8f211e8487598012ac05869be96/FLAG3180e505f [2025-03-08 19:21:48,105 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f4b83f9e/ebe2f8f211e8487598012ac05869be96 [2025-03-08 19:21:48,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 19:21:48,109 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 19:21:48,111 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 19:21:48,111 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 19:21:48,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 19:21:48,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 07:21:48" (1/1) ... [2025-03-08 19:21:48,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@322b4289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:21:48, skipping insertion in model container [2025-03-08 19:21:48,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 07:21:48" (1/1) ... [2025-03-08 19:21:48,179 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 19:21:49,238 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] [2025-03-08 19:21:49,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 19:21:49,294 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 19:21:49,374 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6012] [2025-03-08 19:21:49,375 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6014] [2025-03-08 19:21:49,376 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] [2025-03-08 19:21:49,377 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] [2025-03-08 19:21:49,377 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] [2025-03-08 19:21:49,379 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] [2025-03-08 19:21:49,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [6060] [2025-03-08 19:21:49,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6089] [2025-03-08 19:21:49,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6092] [2025-03-08 19:21:49,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6095] [2025-03-08 19:21:49,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6098] [2025-03-08 19:21:49,382 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] [2025-03-08 19:21:49,383 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] [2025-03-08 19:21:49,384 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] [2025-03-08 19:21:49,407 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] [2025-03-08 19:21:49,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6468] [2025-03-08 19:21:49,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6490] [2025-03-08 19:21:49,420 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] [2025-03-08 19:21:49,421 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] [2025-03-08 19:21:49,421 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] [2025-03-08 19:21:49,422 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] [2025-03-08 19:21:49,422 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] [2025-03-08 19:21:49,422 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] [2025-03-08 19:21:49,423 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] [2025-03-08 19:21:49,423 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] [2025-03-08 19:21:49,528 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] [2025-03-08 19:21:49,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 19:21:49,577 INFO L204 MainTranslator]: Completed translation [2025-03-08 19:21:49,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:21:49 WrapperNode [2025-03-08 19:21:49,578 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 19:21:49,579 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 19:21:49,579 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 19:21:49,579 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 19:21:49,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:21:49" (1/1) ... [2025-03-08 19:21:49,627 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:21:49" (1/1) ... [2025-03-08 19:21:49,733 INFO L138 Inliner]: procedures = 142, calls = 1108, calls flagged for inlining = 59, calls inlined = 58, statements flattened = 2557 [2025-03-08 19:21:49,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 19:21:49,734 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 19:21:49,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 19:21:49,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 19:21:49,744 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:21:49" (1/1) ... [2025-03-08 19:21:49,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:21:49" (1/1) ... [2025-03-08 19:21:49,774 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:21:49" (1/1) ... [2025-03-08 19:21:49,970 INFO L175 MemorySlicer]: Split 830 memory accesses to 15 slices as follows [2, 1, 4, 1, 7, 4, 4, 11, 2, 650, 15, 2, 5, 12, 110]. 78 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [2, 1, 4, 0, 7, 0, 4, 0, 0, 7, 0, 0, 0, 0, 0]. The 529 writes are split as follows [0, 0, 0, 0, 0, 1, 0, 3, 0, 450, 15, 1, 5, 2, 52]. [2025-03-08 19:21:49,970 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:21:49" (1/1) ... [2025-03-08 19:21:49,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:21:49" (1/1) ... [2025-03-08 19:21:50,079 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:21:49" (1/1) ... [2025-03-08 19:21:50,088 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:21:49" (1/1) ... [2025-03-08 19:21:50,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:21:49" (1/1) ... [2025-03-08 19:21:50,135 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:21:49" (1/1) ... [2025-03-08 19:21:50,153 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 19:21:50,154 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 19:21:50,154 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 19:21:50,154 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 19:21:50,155 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:21:49" (1/1) ... [2025-03-08 19:21:50,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 19:21:50,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:21:50,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 19:21:50,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 19:21:50,208 INFO L130 BoogieDeclarations]: Found specification of procedure atm_sk [2025-03-08 19:21:50,208 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_sk [2025-03-08 19:21:50,209 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2025-03-08 19:21:50,209 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2025-03-08 19:21:50,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 19:21:50,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 19:21:50,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 19:21:50,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 19:21:50,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 19:21:50,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 19:21:50,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 19:21:50,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 19:21:50,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 19:21:50,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 19:21:50,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 19:21:50,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 19:21:50,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-08 19:21:50,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-08 19:21:50,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-08 19:21:50,210 INFO L130 BoogieDeclarations]: Found specification of procedure change_bit [2025-03-08 19:21:50,210 INFO L138 BoogieDeclarations]: Found implementation of procedure change_bit [2025-03-08 19:21:50,210 INFO L130 BoogieDeclarations]: Found specification of procedure atm_alloc_charge [2025-03-08 19:21:50,210 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_alloc_charge [2025-03-08 19:21:50,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-03-08 19:21:50,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2025-03-08 19:21:50,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __xchg_wrong_size [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-08 19:21:50,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 19:21:50,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 19:21:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 19:21:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 19:21:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 19:21:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 19:21:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 19:21:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 19:21:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 19:21:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 19:21:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 19:21:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-08 19:21:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-08 19:21:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-08 19:21:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-03-08 19:21:50,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-03-08 19:21:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2025-03-08 19:21:50,212 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2025-03-08 19:21:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-08 19:21:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-08 19:21:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-08 19:21:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-08 19:21:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-08 19:21:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-08 19:21:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-08 19:21:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-08 19:21:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-03-08 19:21:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2025-03-08 19:21:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2025-03-08 19:21:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2025-03-08 19:21:50,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2025-03-08 19:21:50,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2025-03-08 19:21:50,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2025-03-08 19:21:50,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-08 19:21:50,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-08 19:21:50,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-08 19:21:50,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-08 19:21:50,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-08 19:21:50,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-08 19:21:50,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-08 19:21:50,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-08 19:21:50,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-03-08 19:21:50,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2025-03-08 19:21:50,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2025-03-08 19:21:50,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2025-03-08 19:21:50,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2025-03-08 19:21:50,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2025-03-08 19:21:50,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2025-03-08 19:21:50,215 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2025-03-08 19:21:50,216 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-08 19:21:50,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure sk_sleep [2025-03-08 19:21:50,216 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_sleep [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2025-03-08 19:21:50,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_ioctl [2025-03-08 19:21:50,216 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_ioctl [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-08 19:21:50,216 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-08 19:21:50,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-08 19:21:50,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2025-03-08 19:21:50,216 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-08 19:21:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-08 19:21:50,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-03-08 19:21:50,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-03-08 19:21:50,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-03-08 19:21:50,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-03-08 19:21:50,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-03-08 19:21:50,217 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-08 19:21:50,217 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-08 19:21:50,217 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-08 19:21:50,217 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-08 19:21:50,217 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-08 19:21:50,217 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-08 19:21:50,217 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-08 19:21:50,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-08 19:21:50,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-08 19:21:50,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-08 19:21:50,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-03-08 19:21:50,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-03-08 19:21:50,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-03-08 19:21:50,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-03-08 19:21:50,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_dev_close [2025-03-08 19:21:50,220 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_dev_close [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2025-03-08 19:21:50,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 19:21:50,220 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2025-03-08 19:21:50,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure sk_atm [2025-03-08 19:21:50,220 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_atm [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2025-03-08 19:21:50,220 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_c_send [2025-03-08 19:21:50,220 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_c_send [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2025-03-08 19:21:50,220 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 19:21:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 19:21:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 19:21:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-08 19:21:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-08 19:21:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-08 19:21:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-08 19:21:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-03-08 19:21:50,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-03-08 19:21:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_create [2025-03-08 19:21:50,221 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_create [2025-03-08 19:21:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_c_close [2025-03-08 19:21:50,221 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_c_close [2025-03-08 19:21:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure atm_dev_deregister [2025-03-08 19:21:50,221 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_dev_deregister [2025-03-08 19:21:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 19:21:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 19:21:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 19:21:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 19:21:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 19:21:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 19:21:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 19:21:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 19:21:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 19:21:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-08 19:21:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-08 19:21:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-08 19:21:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-08 19:21:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-08 19:21:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-08 19:21:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-08 19:21:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_close [2025-03-08 19:21:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_close [2025-03-08 19:21:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2025-03-08 19:21:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2025-03-08 19:21:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure atm_dev_put [2025-03-08 19:21:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_dev_put [2025-03-08 19:21:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2025-03-08 19:21:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2025-03-08 19:21:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure atm_dev_lookup [2025-03-08 19:21:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_dev_lookup [2025-03-08 19:21:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2025-03-08 19:21:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2025-03-08 19:21:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 19:21:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 19:21:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 19:21:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 19:21:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_send [2025-03-08 19:21:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_send [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2025-03-08 19:21:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_send_control [2025-03-08 19:21:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_send_control [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2025-03-08 19:21:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 19:21:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 19:21:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2025-03-08 19:21:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2025-03-08 19:21:50,742 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 19:21:50,746 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 19:21:51,403 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-08 19:21:52,620 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6643: call ULTIMATE.dealloc(~#msg~1.base, ~#msg~1.offset);havoc ~#msg~1.base, ~#msg~1.offset; [2025-03-08 19:21:52,653 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6067: havoc #t~bitwise9; [2025-03-08 19:21:52,656 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7685: havoc #t~ret517.base, #t~ret517.offset; [2025-03-08 19:21:52,666 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7679: havoc #t~ret516.base, #t~ret516.offset; [2025-03-08 19:21:52,703 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7703: havoc debug_lockdep_rcu_enabled_#t~nondet521#1; [2025-03-08 19:21:52,703 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6340: call ULTIMATE.dealloc(~#__u~0#1.base, ~#__u~0#1.offset);havoc ~#__u~0#1.base, ~#__u~0#1.offset; [2025-03-08 19:21:52,772 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7667: havoc _copy_from_user_#t~nondet515#1; [2025-03-08 19:21:52,773 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6656: call ULTIMATE.dealloc(~#ci~0#1.base, ~#ci~0#1.offset);havoc ~#ci~0#1.base, ~#ci~0#1.offset; [2025-03-08 19:21:57,027 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7709: havoc ktime_get_with_offset_#t~ret522#1.base, ktime_get_with_offset_#t~ret522#1.offset;havoc ktime_get_with_offset_#t~mem523#1; [2025-03-08 19:21:57,027 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7735: havoc skb_pull_#t~ret526#1.base, skb_pull_#t~ret526#1.offset; [2025-03-08 19:21:57,027 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7720: havoc printk_#t~nondet525#1; [2025-03-08 19:21:57,027 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6145: havoc ktime_get_real_#t~mem39#1;call ULTIMATE.dealloc(ktime_get_real_~#tmp~1#1.base, ktime_get_real_~#tmp~1#1.offset);havoc ktime_get_real_~#tmp~1#1.base, ktime_get_real_~#tmp~1#1.offset; [2025-03-08 19:21:57,125 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6159: havoc __kmalloc_#t~ret43#1.base, __kmalloc_#t~ret43#1.offset; [2025-03-08 19:21:57,129 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7688: havoc atm_dev_register_#t~ret518#1.base, atm_dev_register_#t~ret518#1.offset; [2025-03-08 19:21:57,180 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6045: havoc constant_test_bit_#t~mem7#1;havoc constant_test_bit_#t~bitwise8#1; [2025-03-08 19:22:01,724 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6425: call ULTIMATE.dealloc(~#wait~0#1.base, ~#wait~0#1.offset);havoc ~#wait~0#1.base, ~#wait~0#1.offset; [2025-03-08 19:22:13,205 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7716: havoc ldv_open_2_#t~nondet524#1; [2025-03-08 19:22:13,205 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7271: call ULTIMATE.dealloc(main_~#ldvarg1~0#1.base, main_~#ldvarg1~0#1.offset);havoc main_~#ldvarg1~0#1.base, main_~#ldvarg1~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg5~0#1.base, main_~#ldvarg5~0#1.offset);havoc main_~#ldvarg5~0#1.base, main_~#ldvarg5~0#1.offset; [2025-03-08 19:22:13,205 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7141: havoc atmtcp_attach_#t~mem455#1.base, atmtcp_attach_#t~mem455#1.offset;havoc atmtcp_attach_#t~mem456#1;call ULTIMATE.dealloc(atmtcp_attach_~#dev~2#1.base, atmtcp_attach_~#dev~2#1.offset);havoc atmtcp_attach_~#dev~2#1.base, atmtcp_attach_~#dev~2#1.offset; [2025-03-08 19:22:13,205 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7692: havoc atm_init_aal5_#t~nondet519#1; [2025-03-08 19:22:13,205 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6638: havoc atmtcp_v_open_#t~mem312#1;call ULTIMATE.dealloc(atmtcp_v_open_~#msg~0#1.base, atmtcp_v_open_~#msg~0#1.offset);havoc atmtcp_v_open_~#msg~0#1.base, atmtcp_v_open_~#msg~0#1.offset; [2025-03-08 19:22:13,205 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7696: havoc capable_#t~nondet520#1; [2025-03-08 19:22:13,495 INFO L? ?]: Removed 1187 outVars from TransFormulas that were not future-live. [2025-03-08 19:22:13,495 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 19:22:13,567 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 19:22:13,568 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-08 19:22:13,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:22:13 BoogieIcfgContainer [2025-03-08 19:22:13,568 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 19:22:13,570 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 19:22:13,571 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 19:22:13,576 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 19:22:13,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 07:21:48" (1/3) ... [2025-03-08 19:22:13,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a22e722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 07:22:13, skipping insertion in model container [2025-03-08 19:22:13,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:21:49" (2/3) ... [2025-03-08 19:22:13,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a22e722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 07:22:13, skipping insertion in model container [2025-03-08 19:22:13,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:22:13" (3/3) ... [2025-03-08 19:22:13,579 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i [2025-03-08 19:22:13,595 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 19:22:13,596 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i that has 72 procedures, 787 locations, 1 initial locations, 47 loop locations, and 1 error locations. [2025-03-08 19:22:13,657 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 19:22:13,667 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;@51e50553, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 19:22:13,669 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 19:22:13,676 INFO L276 IsEmpty]: Start isEmpty. Operand has 668 states, 480 states have (on average 1.3395833333333333) internal successors, (643), 500 states have internal predecessors, (643), 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) [2025-03-08 19:22:13,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-03-08 19:22:13,688 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:22:13,689 INFO L218 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] [2025-03-08 19:22:13,690 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:22:13,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:22:13,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1766174896, now seen corresponding path program 1 times [2025-03-08 19:22:13,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:22:13,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300536550] [2025-03-08 19:22:13,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:22:13,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:22:18,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-08 19:22:19,119 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-08 19:22:19,120 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:22:19,120 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:22:19,728 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2025-03-08 19:22:19,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:22:19,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300536550] [2025-03-08 19:22:19,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300536550] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 19:22:19,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624908570] [2025-03-08 19:22:19,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:22:19,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 19:22:19,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:22:19,733 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 19:22:19,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 19:22:24,753 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-08 19:22:25,167 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-08 19:22:25,168 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:22:25,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:22:25,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 3661 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 19:22:25,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 19:22:25,221 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2025-03-08 19:22:25,222 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 19:22:25,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624908570] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:22:25,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 19:22:25,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 19:22:25,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087821339] [2025-03-08 19:22:25,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:22:25,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 19:22:25,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:22:25,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 19:22:25,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 19:22:25,250 INFO L87 Difference]: Start difference. First operand has 668 states, 480 states have (on average 1.3395833333333333) internal successors, (643), 500 states have internal predecessors, (643), 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) [2025-03-08 19:22:25,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:22:25,378 INFO L93 Difference]: Finished difference Result 1331 states and 1877 transitions. [2025-03-08 19:22:25,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 19:22:25,383 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 [2025-03-08 19:22:25,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:22:25,401 INFO L225 Difference]: With dead ends: 1331 [2025-03-08 19:22:25,401 INFO L226 Difference]: Without dead ends: 654 [2025-03-08 19:22:25,408 INFO L434 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 [2025-03-08 19:22:25,412 INFO L435 NwaCegarLoop]: 913 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 913 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 19:22:25,412 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 913 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 19:22:25,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2025-03-08 19:22:25,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 654. [2025-03-08 19:22:25,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 473 states have (on average 1.3234672304439747) internal successors, (626), 486 states have internal predecessors, (626), 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) [2025-03-08 19:22:25,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 898 transitions. [2025-03-08 19:22:25,514 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 898 transitions. Word has length 133 [2025-03-08 19:22:25,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:22:25,516 INFO L471 AbstractCegarLoop]: Abstraction has 654 states and 898 transitions. [2025-03-08 19:22:25,516 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) [2025-03-08 19:22:25,517 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 898 transitions. [2025-03-08 19:22:25,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-03-08 19:22:25,521 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:22:25,521 INFO L218 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] [2025-03-08 19:22:25,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 19:22:25,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-08 19:22:25,723 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:22:25,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:22:25,723 INFO L85 PathProgramCache]: Analyzing trace with hash 4926826, now seen corresponding path program 1 times [2025-03-08 19:22:25,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:22:25,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786007517] [2025-03-08 19:22:25,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:22:25,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:22:29,892 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-08 19:22:30,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-08 19:22:30,043 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:22:30,043 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:22:30,776 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2025-03-08 19:22:30,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:22:30,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786007517] [2025-03-08 19:22:30,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786007517] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:22:30,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:22:30,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:22:30,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526899134] [2025-03-08 19:22:30,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:22:30,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:22:30,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:22:30,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:22:30,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:22:30,782 INFO L87 Difference]: Start difference. First operand 654 states and 898 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) [2025-03-08 19:22:34,843 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 [] [2025-03-08 19:22:35,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:22:35,674 INFO L93 Difference]: Finished difference Result 1898 states and 2613 transitions. [2025-03-08 19:22:35,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:22:35,675 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 [2025-03-08 19:22:35,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:22:35,686 INFO L225 Difference]: With dead ends: 1898 [2025-03-08 19:22:35,686 INFO L226 Difference]: Without dead ends: 1272 [2025-03-08 19:22:35,690 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:22:35,691 INFO L435 NwaCegarLoop]: 907 mSDtfsCounter, 847 mSDsluCounter, 880 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 1787 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2025-03-08 19:22:35,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [847 Valid, 1787 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2025-03-08 19:22:35,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2025-03-08 19:22:35,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 1269. [2025-03-08 19:22:35,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1269 states, 921 states have (on average 1.3268186753528772) internal successors, (1222), 946 states have internal predecessors, (1222), 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) [2025-03-08 19:22:35,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1269 states and 1746 transitions. [2025-03-08 19:22:35,768 INFO L78 Accepts]: Start accepts. Automaton has 1269 states and 1746 transitions. Word has length 133 [2025-03-08 19:22:35,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:22:35,770 INFO L471 AbstractCegarLoop]: Abstraction has 1269 states and 1746 transitions. [2025-03-08 19:22:35,770 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) [2025-03-08 19:22:35,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1746 transitions. [2025-03-08 19:22:35,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-03-08 19:22:35,774 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:22:35,775 INFO L218 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] [2025-03-08 19:22:35,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 19:22:35,775 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:22:35,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:22:35,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1759045942, now seen corresponding path program 1 times [2025-03-08 19:22:35,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:22:35,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705753747] [2025-03-08 19:22:35,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:22:35,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:22:39,775 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-03-08 19:22:39,905 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-03-08 19:22:39,905 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:22:39,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:22:40,634 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2025-03-08 19:22:40,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:22:40,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705753747] [2025-03-08 19:22:40,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705753747] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:22:40,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:22:40,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 19:22:40,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166639967] [2025-03-08 19:22:40,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:22:40,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 19:22:40,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:22:40,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 19:22:40,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 19:22:40,638 INFO L87 Difference]: Start difference. First operand 1269 states and 1746 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) [2025-03-08 19:22:41,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:22:41,032 INFO L93 Difference]: Finished difference Result 2509 states and 3454 transitions. [2025-03-08 19:22:41,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 19:22:41,032 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 [2025-03-08 19:22:41,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:22:41,040 INFO L225 Difference]: With dead ends: 2509 [2025-03-08 19:22:41,040 INFO L226 Difference]: Without dead ends: 1268 [2025-03-08 19:22:41,045 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:22:41,045 INFO L435 NwaCegarLoop]: 889 mSDtfsCounter, 893 mSDsluCounter, 887 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 893 SdHoareTripleChecker+Valid, 1776 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 19:22:41,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [893 Valid, 1776 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 19:22:41,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2025-03-08 19:22:41,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 1268. [2025-03-08 19:22:41,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 920 states have (on average 1.3239130434782609) internal successors, (1218), 945 states have internal predecessors, (1218), 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) [2025-03-08 19:22:41,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 1742 transitions. [2025-03-08 19:22:41,090 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 1742 transitions. Word has length 136 [2025-03-08 19:22:41,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:22:41,091 INFO L471 AbstractCegarLoop]: Abstraction has 1268 states and 1742 transitions. [2025-03-08 19:22:41,091 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) [2025-03-08 19:22:41,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1742 transitions. [2025-03-08 19:22:41,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-03-08 19:22:41,094 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:22:41,094 INFO L218 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] [2025-03-08 19:22:41,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 19:22:41,094 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:22:41,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:22:41,095 INFO L85 PathProgramCache]: Analyzing trace with hash -890523280, now seen corresponding path program 1 times [2025-03-08 19:22:41,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:22:41,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471750144] [2025-03-08 19:22:41,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:22:41,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:22:44,928 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-03-08 19:22:45,040 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-03-08 19:22:45,044 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:22:45,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:22:45,440 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2025-03-08 19:22:45,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:22:45,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471750144] [2025-03-08 19:22:45,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471750144] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:22:45,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:22:45,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:22:45,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746717932] [2025-03-08 19:22:45,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:22:45,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:22:45,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:22:45,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:22:45,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:22:45,441 INFO L87 Difference]: Start difference. First operand 1268 states and 1742 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) [2025-03-08 19:22:45,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:22:45,711 INFO L93 Difference]: Finished difference Result 3745 states and 5165 transitions. [2025-03-08 19:22:45,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:22:45,711 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 [2025-03-08 19:22:45,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:22:45,728 INFO L225 Difference]: With dead ends: 3745 [2025-03-08 19:22:45,728 INFO L226 Difference]: Without dead ends: 2501 [2025-03-08 19:22:45,734 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:22:45,736 INFO L435 NwaCegarLoop]: 892 mSDtfsCounter, 856 mSDsluCounter, 851 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 856 SdHoareTripleChecker+Valid, 1743 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-08 19:22:45,737 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [856 Valid, 1743 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-08 19:22:45,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2501 states. [2025-03-08 19:22:45,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2501 to 2497. [2025-03-08 19:22:45,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2497 states, 1815 states have (on average 1.3261707988980715) internal successors, (2407), 1864 states have internal predecessors, (2407), 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) [2025-03-08 19:22:45,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 2497 states and 3435 transitions. [2025-03-08 19:22:45,837 INFO L78 Accepts]: Start accepts. Automaton has 2497 states and 3435 transitions. Word has length 144 [2025-03-08 19:22:45,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:22:45,838 INFO L471 AbstractCegarLoop]: Abstraction has 2497 states and 3435 transitions. [2025-03-08 19:22:45,838 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) [2025-03-08 19:22:45,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 3435 transitions. [2025-03-08 19:22:45,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2025-03-08 19:22:45,840 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:22:45,840 INFO L218 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] [2025-03-08 19:22:45,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 19:22:45,840 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:22:45,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:22:45,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1423811221, now seen corresponding path program 1 times [2025-03-08 19:22:45,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:22:45,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671812579] [2025-03-08 19:22:45,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:22:45,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:22:49,499 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-03-08 19:22:49,596 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-03-08 19:22:49,596 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:22:49,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:22:49,920 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2025-03-08 19:22:49,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:22:49,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671812579] [2025-03-08 19:22:49,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671812579] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:22:49,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:22:49,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:22:49,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425072243] [2025-03-08 19:22:49,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:22:49,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:22:49,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:22:49,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:22:49,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:22:49,922 INFO L87 Difference]: Start difference. First operand 2497 states and 3435 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) [2025-03-08 19:22:50,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:22:50,114 INFO L93 Difference]: Finished difference Result 4562 states and 6254 transitions. [2025-03-08 19:22:50,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:22:50,115 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 [2025-03-08 19:22:50,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:22:50,129 INFO L225 Difference]: With dead ends: 4562 [2025-03-08 19:22:50,129 INFO L226 Difference]: Without dead ends: 2093 [2025-03-08 19:22:50,139 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:22:50,140 INFO L435 NwaCegarLoop]: 745 mSDtfsCounter, 743 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 19:22:50,140 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 745 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 19:22:50,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2093 states. [2025-03-08 19:22:50,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2093 to 2093. [2025-03-08 19:22:50,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2093 states, 1531 states have (on average 1.3265839320705421) internal successors, (2031), 1568 states have internal predecessors, (2031), 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) [2025-03-08 19:22:50,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 2093 states and 2851 transitions. [2025-03-08 19:22:50,217 INFO L78 Accepts]: Start accepts. Automaton has 2093 states and 2851 transitions. Word has length 150 [2025-03-08 19:22:50,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:22:50,218 INFO L471 AbstractCegarLoop]: Abstraction has 2093 states and 2851 transitions. [2025-03-08 19:22:50,218 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) [2025-03-08 19:22:50,218 INFO L276 IsEmpty]: Start isEmpty. Operand 2093 states and 2851 transitions. [2025-03-08 19:22:50,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2025-03-08 19:22:50,224 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:22:50,225 INFO L218 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] [2025-03-08 19:22:50,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 19:22:50,225 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:22:50,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:22:50,225 INFO L85 PathProgramCache]: Analyzing trace with hash 620217672, now seen corresponding path program 1 times [2025-03-08 19:22:50,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:22:50,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858364321] [2025-03-08 19:22:50,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:22:50,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:22:54,036 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-03-08 19:22:54,120 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-03-08 19:22:54,121 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:22:54,121 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:22:54,473 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2025-03-08 19:22:54,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:22:54,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858364321] [2025-03-08 19:22:54,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858364321] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:22:54,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:22:54,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:22:54,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316847635] [2025-03-08 19:22:54,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:22:54,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:22:54,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:22:54,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:22:54,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:22:54,476 INFO L87 Difference]: Start difference. First operand 2093 states and 2851 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) [2025-03-08 19:22:54,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:22:54,808 INFO L93 Difference]: Finished difference Result 4261 states and 5808 transitions. [2025-03-08 19:22:54,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:22:54,809 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 [2025-03-08 19:22:54,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:22:54,820 INFO L225 Difference]: With dead ends: 4261 [2025-03-08 19:22:54,820 INFO L226 Difference]: Without dead ends: 2196 [2025-03-08 19:22:54,826 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:22:54,827 INFO L435 NwaCegarLoop]: 781 mSDtfsCounter, 556 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 1485 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-08 19:22:54,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [556 Valid, 1485 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-08 19:22:54,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2025-03-08 19:22:54,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 2183. [2025-03-08 19:22:54,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2183 states, 1594 states have (on average 1.3350062735257215) internal successors, (2128), 1634 states have internal predecessors, (2128), 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) [2025-03-08 19:22:54,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 2183 states and 2978 transitions. [2025-03-08 19:22:54,895 INFO L78 Accepts]: Start accepts. Automaton has 2183 states and 2978 transitions. Word has length 177 [2025-03-08 19:22:54,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:22:54,896 INFO L471 AbstractCegarLoop]: Abstraction has 2183 states and 2978 transitions. [2025-03-08 19:22:54,896 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) [2025-03-08 19:22:54,896 INFO L276 IsEmpty]: Start isEmpty. Operand 2183 states and 2978 transitions. [2025-03-08 19:22:54,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2025-03-08 19:22:54,899 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:22:54,899 INFO L218 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] [2025-03-08 19:22:54,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 19:22:54,899 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:22:54,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:22:54,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1527531045, now seen corresponding path program 1 times [2025-03-08 19:22:54,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:22:54,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721781277] [2025-03-08 19:22:54,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:22:54,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:22:58,528 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 178 statements into 1 equivalence classes. [2025-03-08 19:22:58,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 178 of 178 statements. [2025-03-08 19:22:58,642 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:22:58,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:22:59,369 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2025-03-08 19:22:59,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:22:59,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721781277] [2025-03-08 19:22:59,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721781277] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:22:59,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:22:59,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 19:22:59,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523214030] [2025-03-08 19:22:59,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:22:59,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 19:22:59,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:22:59,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 19:22:59,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 19:22:59,371 INFO L87 Difference]: Start difference. First operand 2183 states and 2978 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) [2025-03-08 19:22:59,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:22:59,842 INFO L93 Difference]: Finished difference Result 3966 states and 5415 transitions. [2025-03-08 19:22:59,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 19:22:59,842 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 [2025-03-08 19:22:59,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:22:59,852 INFO L225 Difference]: With dead ends: 3966 [2025-03-08 19:22:59,853 INFO L226 Difference]: Without dead ends: 2189 [2025-03-08 19:22:59,858 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 19:22:59,858 INFO L435 NwaCegarLoop]: 744 mSDtfsCounter, 1 mSDsluCounter, 1477 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2221 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 19:22:59,859 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2221 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 19:22:59,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2189 states. [2025-03-08 19:22:59,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2189 to 2187. [2025-03-08 19:22:59,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2187 states, 1598 states have (on average 1.3341677096370463) internal successors, (2132), 1638 states have internal predecessors, (2132), 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) [2025-03-08 19:22:59,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 2187 states and 2982 transitions. [2025-03-08 19:22:59,931 INFO L78 Accepts]: Start accepts. Automaton has 2187 states and 2982 transitions. Word has length 178 [2025-03-08 19:22:59,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:22:59,931 INFO L471 AbstractCegarLoop]: Abstraction has 2187 states and 2982 transitions. [2025-03-08 19:22:59,932 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) [2025-03-08 19:22:59,932 INFO L276 IsEmpty]: Start isEmpty. Operand 2187 states and 2982 transitions. [2025-03-08 19:22:59,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2025-03-08 19:22:59,936 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:22:59,936 INFO L218 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] [2025-03-08 19:22:59,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 19:22:59,936 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:22:59,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:22:59,936 INFO L85 PathProgramCache]: Analyzing trace with hash 986316197, now seen corresponding path program 1 times [2025-03-08 19:22:59,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:22:59,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529338445] [2025-03-08 19:22:59,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:22:59,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:23:03,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 179 statements into 1 equivalence classes. [2025-03-08 19:23:03,662 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 179 of 179 statements. [2025-03-08 19:23:03,663 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:23:03,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:23:04,204 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2025-03-08 19:23:04,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:23:04,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529338445] [2025-03-08 19:23:04,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529338445] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:23:04,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:23:04,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 19:23:04,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647642088] [2025-03-08 19:23:04,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:23:04,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 19:23:04,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:23:04,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 19:23:04,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 19:23:04,205 INFO L87 Difference]: Start difference. First operand 2187 states and 2982 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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) [2025-03-08 19:23:04,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:23:04,635 INFO L93 Difference]: Finished difference Result 3974 states and 5423 transitions. [2025-03-08 19:23:04,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 19:23:04,635 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 179 [2025-03-08 19:23:04,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:23:04,648 INFO L225 Difference]: With dead ends: 3974 [2025-03-08 19:23:04,648 INFO L226 Difference]: Without dead ends: 2193 [2025-03-08 19:23:04,653 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 19:23:04,654 INFO L435 NwaCegarLoop]: 744 mSDtfsCounter, 1 mSDsluCounter, 1477 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2221 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 19:23:04,654 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2221 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 19:23:04,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2193 states. [2025-03-08 19:23:04,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2193 to 2187. [2025-03-08 19:23:04,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2187 states, 1598 states have (on average 1.3341677096370463) internal successors, (2132), 1638 states have internal predecessors, (2132), 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) [2025-03-08 19:23:04,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 2187 states and 2982 transitions. [2025-03-08 19:23:04,722 INFO L78 Accepts]: Start accepts. Automaton has 2187 states and 2982 transitions. Word has length 179 [2025-03-08 19:23:04,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:23:04,723 INFO L471 AbstractCegarLoop]: Abstraction has 2187 states and 2982 transitions. [2025-03-08 19:23:04,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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) [2025-03-08 19:23:04,723 INFO L276 IsEmpty]: Start isEmpty. Operand 2187 states and 2982 transitions. [2025-03-08 19:23:04,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2025-03-08 19:23:04,726 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:23:04,727 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:23:04,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 19:23:04,728 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:23:04,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:23:04,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1962264212, now seen corresponding path program 1 times [2025-03-08 19:23:04,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:23:04,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454467589] [2025-03-08 19:23:04,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:23:04,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:23:08,386 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 187 statements into 1 equivalence classes. [2025-03-08 19:23:08,474 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 187 of 187 statements. [2025-03-08 19:23:08,474 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:23:08,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:23:10,296 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2025-03-08 19:23:10,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:23:10,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454467589] [2025-03-08 19:23:10,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454467589] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:23:10,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:23:10,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 19:23:10,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725452803] [2025-03-08 19:23:10,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:23:10,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 19:23:10,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:23:10,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 19:23:10,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 19:23:10,298 INFO L87 Difference]: Start difference. First operand 2187 states and 2982 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2025-03-08 19:23:10,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:23:10,990 INFO L93 Difference]: Finished difference Result 3974 states and 5425 transitions. [2025-03-08 19:23:10,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 19:23:10,990 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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 187 [2025-03-08 19:23:10,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:23:11,004 INFO L225 Difference]: With dead ends: 3974 [2025-03-08 19:23:11,004 INFO L226 Difference]: Without dead ends: 2193 [2025-03-08 19:23:11,008 INFO L434 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 [2025-03-08 19:23:11,009 INFO L435 NwaCegarLoop]: 743 mSDtfsCounter, 3 mSDsluCounter, 1465 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2208 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-08 19:23:11,009 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2208 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-08 19:23:11,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2193 states. [2025-03-08 19:23:11,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2193 to 2191. [2025-03-08 19:23:11,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2191 states, 1602 states have (on average 1.3333333333333333) internal successors, (2136), 1642 states have internal predecessors, (2136), 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) [2025-03-08 19:23:11,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 2191 states and 2986 transitions. [2025-03-08 19:23:11,073 INFO L78 Accepts]: Start accepts. Automaton has 2191 states and 2986 transitions. Word has length 187 [2025-03-08 19:23:11,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:23:11,073 INFO L471 AbstractCegarLoop]: Abstraction has 2191 states and 2986 transitions. [2025-03-08 19:23:11,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2025-03-08 19:23:11,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 2986 transitions. [2025-03-08 19:23:11,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2025-03-08 19:23:11,076 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:23:11,077 INFO L218 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, 1, 1, 1, 1, 1, 1] [2025-03-08 19:23:11,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 19:23:11,077 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:23:11,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:23:11,077 INFO L85 PathProgramCache]: Analyzing trace with hash -228949147, now seen corresponding path program 1 times [2025-03-08 19:23:11,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:23:11,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747353524] [2025-03-08 19:23:11,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:23:11,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms