./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-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 66b2f104726c03e3846e38f6b09c6a45d6c8d058156e96895db9342600740310 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 07:11:11,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 07:11:11,277 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 07:11:11,282 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 07:11:11,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 07:11:11,298 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 07:11:11,299 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 07:11:11,299 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 07:11:11,299 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 07:11:11,299 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 07:11:11,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 07:11:11,300 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 07:11:11,300 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 07:11:11,300 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 07:11:11,300 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 07:11:11,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 07:11:11,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 07:11:11,304 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 07:11:11,304 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 07:11:11,304 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 07:11:11,304 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 07:11:11,304 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 07:11:11,304 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 07:11:11,304 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 07:11:11,304 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 07:11:11,304 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 07:11:11,304 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 07:11:11,304 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 07:11:11,304 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 07:11:11,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 07:11:11,305 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 07:11:11,305 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 07:11:11,305 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 07:11:11,305 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 07:11:11,305 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 07:11:11,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 07:11:11,305 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 07:11:11,305 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 07:11:11,305 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 07:11:11,305 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 07:11:11,305 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66b2f104726c03e3846e38f6b09c6a45d6c8d058156e96895db9342600740310 [2025-02-06 07:11:11,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 07:11:11,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 07:11:11,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 07:11:11,532 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 07:11:11,533 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 07:11:11,534 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i [2025-02-06 07:11:12,811 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7db516ac7/5d47ad6ac5a7455eb2cc5cd9beb291f4/FLAG127682888 [2025-02-06 07:11:13,321 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 07:11:13,321 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i [2025-02-06 07:11:13,357 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7db516ac7/5d47ad6ac5a7455eb2cc5cd9beb291f4/FLAG127682888 [2025-02-06 07:11:13,375 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7db516ac7/5d47ad6ac5a7455eb2cc5cd9beb291f4 [2025-02-06 07:11:13,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 07:11:13,378 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 07:11:13,379 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 07:11:13,380 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 07:11:13,383 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 07:11:13,383 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:11:13" (1/1) ... [2025-02-06 07:11:13,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10879a64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:11:13, skipping insertion in model container [2025-02-06 07:11:13,385 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 07:11:13" (1/1) ... [2025-02-06 07:11:13,478 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 07:11:14,867 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i[287455,287468] [2025-02-06 07:11:14,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 07:11:14,958 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 07:11:15,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5924] [2025-02-06 07:11:15,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5932] [2025-02-06 07:11:15,130 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"); [7007] [2025-02-06 07:11:15,130 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)); [7014] [2025-02-06 07:11:15,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [7040] [2025-02-06 07:11:15,404 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i[287455,287468] [2025-02-06 07:11:15,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 07:11:15,481 INFO L204 MainTranslator]: Completed translation [2025-02-06 07:11:15,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:11:15 WrapperNode [2025-02-06 07:11:15,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 07:11:15,484 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 07:11:15,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 07:11:15,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 07:11:15,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:11:15" (1/1) ... [2025-02-06 07:11:15,532 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:11:15" (1/1) ... [2025-02-06 07:11:15,651 INFO L138 Inliner]: procedures = 273, calls = 2182, calls flagged for inlining = 123, calls inlined = 120, statements flattened = 5426 [2025-02-06 07:11:15,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 07:11:15,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 07:11:15,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 07:11:15,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 07:11:15,659 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:11:15" (1/1) ... [2025-02-06 07:11:15,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:11:15" (1/1) ... [2025-02-06 07:11:15,686 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:11:15" (1/1) ... [2025-02-06 07:11:16,049 INFO L175 MemorySlicer]: Split 1187 memory accesses to 6 slices as follows [2, 4, 6, 43, 4, 1128]. 95 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 0, 0, 4, 4]. The 527 writes are split as follows [0, 0, 1, 43, 0, 483]. [2025-02-06 07:11:16,050 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:11:15" (1/1) ... [2025-02-06 07:11:16,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:11:15" (1/1) ... [2025-02-06 07:11:16,125 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:11:15" (1/1) ... [2025-02-06 07:11:16,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:11:15" (1/1) ... [2025-02-06 07:11:16,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:11:15" (1/1) ... [2025-02-06 07:11:16,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:11:15" (1/1) ... [2025-02-06 07:11:16,275 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 07:11:16,278 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 07:11:16,278 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 07:11:16,278 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 07:11:16,279 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:11:15" (1/1) ... [2025-02-06 07:11:16,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 07:11:16,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 07:11:16,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 07:11:16,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 07:11:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2025-02-06 07:11:16,326 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2025-02-06 07:11:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2025-02-06 07:11:16,326 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2025-02-06 07:11:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-02-06 07:11:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-02-06 07:11:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-02-06 07:11:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-02-06 07:11:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-02-06 07:11:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-02-06 07:11:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 07:11:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 07:11:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 07:11:16,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 07:11:16,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 07:11:16,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 07:11:16,328 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2025-02-06 07:11:16,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2025-02-06 07:11:16,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-02-06 07:11:16,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-02-06 07:11:16,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-02-06 07:11:16,328 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-02-06 07:11:16,329 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2025-02-06 07:11:16,329 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2025-02-06 07:11:16,329 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2025-02-06 07:11:16,329 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2025-02-06 07:11:16,330 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2025-02-06 07:11:16,330 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2025-02-06 07:11:16,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2025-02-06 07:11:16,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2025-02-06 07:11:16,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-02-06 07:11:16,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-02-06 07:11:16,330 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2025-02-06 07:11:16,330 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2025-02-06 07:11:16,331 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2025-02-06 07:11:16,331 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2025-02-06 07:11:16,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-02-06 07:11:16,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-02-06 07:11:16,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 07:11:16,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 07:11:16,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-06 07:11:16,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-06 07:11:16,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-06 07:11:16,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-02-06 07:11:16,331 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 07:11:16,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 07:11:16,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-06 07:11:16,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-06 07:11:16,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-06 07:11:16,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-02-06 07:11:16,332 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 07:11:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 07:11:16,333 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2025-02-06 07:11:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2025-02-06 07:11:16,333 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-02-06 07:11:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-02-06 07:11:16,333 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2025-02-06 07:11:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2025-02-06 07:11:16,333 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2025-02-06 07:11:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2025-02-06 07:11:16,333 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2025-02-06 07:11:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2025-02-06 07:11:16,333 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2025-02-06 07:11:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2025-02-06 07:11:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2025-02-06 07:11:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2025-02-06 07:11:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2025-02-06 07:11:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2025-02-06 07:11:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2025-02-06 07:11:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2025-02-06 07:11:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_get_stats [2025-02-06 07:11:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_get_stats [2025-02-06 07:11:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 07:11:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2025-02-06 07:11:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2025-02-06 07:11:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2025-02-06 07:11:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2025-02-06 07:11:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2025-02-06 07:11:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2025-02-06 07:11:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 07:11:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 07:11:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 07:11:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 07:11:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 07:11:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 07:11:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2025-02-06 07:11:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2025-02-06 07:11:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2025-02-06 07:11:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2025-02-06 07:11:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-02-06 07:11:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-02-06 07:11:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2025-02-06 07:11:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2025-02-06 07:11:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 07:11:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2025-02-06 07:11:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2025-02-06 07:11:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-02-06 07:11:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-02-06 07:11:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2025-02-06 07:11:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2025-02-06 07:11:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2025-02-06 07:11:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2025-02-06 07:11:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2025-02-06 07:11:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2025-02-06 07:11:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2025-02-06 07:11:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2025-02-06 07:11:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-02-06 07:11:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-02-06 07:11:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2025-02-06 07:11:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2025-02-06 07:11:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2025-02-06 07:11:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2025-02-06 07:11:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2025-02-06 07:11:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2025-02-06 07:11:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2025-02-06 07:11:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2025-02-06 07:11:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-02-06 07:11:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-02-06 07:11:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-02-06 07:11:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-02-06 07:11:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-02-06 07:11:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-02-06 07:11:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 07:11:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 07:11:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 07:11:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 07:11:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 07:11:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 07:11:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2025-02-06 07:11:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2025-02-06 07:11:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 07:11:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 07:11:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 07:11:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 07:11:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 07:11:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 07:11:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-02-06 07:11:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-02-06 07:11:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2025-02-06 07:11:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2025-02-06 07:11:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2025-02-06 07:11:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2025-02-06 07:11:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-02-06 07:11:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-02-06 07:11:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2025-02-06 07:11:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2025-02-06 07:11:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2025-02-06 07:11:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2025-02-06 07:11:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2025-02-06 07:11:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2025-02-06 07:11:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-02-06 07:11:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2025-02-06 07:11:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ioctl [2025-02-06 07:11:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ioctl [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2025-02-06 07:11:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2025-02-06 07:11:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2025-02-06 07:11:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2025-02-06 07:11:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2025-02-06 07:11:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2025-02-06 07:11:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-02-06 07:11:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2025-02-06 07:11:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2025-02-06 07:11:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2025-02-06 07:11:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2025-02-06 07:11:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2025-02-06 07:11:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2025-02-06 07:11:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-02-06 07:11:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-02-06 07:11:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2025-02-06 07:11:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2025-02-06 07:11:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2025-02-06 07:11:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2025-02-06 07:11:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2025-02-06 07:11:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2025-02-06 07:11:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2025-02-06 07:11:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2025-02-06 07:11:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2025-02-06 07:11:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2025-02-06 07:11:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 07:11:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 07:11:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 07:11:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 07:11:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 07:11:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 07:11:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2025-02-06 07:11:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2025-02-06 07:11:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2025-02-06 07:11:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2025-02-06 07:11:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2025-02-06 07:11:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2025-02-06 07:11:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2025-02-06 07:11:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2025-02-06 07:11:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 07:11:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 07:11:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2025-02-06 07:11:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2025-02-06 07:11:16,948 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 07:11:16,951 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 07:11:17,236 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10219: havoc request_threaded_irq_#t~nondet1388#1; [2025-02-06 07:11:17,283 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-02-06 07:11:17,480 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7241: havoc skb_is_nonlinear_#t~mem515#1; [2025-02-06 07:11:17,480 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7256: havoc skb_tailroom_#t~ite523#1;havoc skb_tailroom_#t~mem521#1;havoc skb_tailroom_#t~mem522#1; [2025-02-06 07:11:17,576 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10098: havoc _copy_to_user_#t~nondet1370#1; [2025-02-06 07:11:18,056 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10145: havoc hdlc_ioctl_#t~nondet1376#1; [2025-02-06 07:11:18,057 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7417: call ULTIMATE.dealloc(~#ctl~0#1.base, ~#ctl~0#1.offset);havoc ~#ctl~0#1.base, ~#ctl~0#1.offset;call ULTIMATE.dealloc(~#new_type~0#1.base, ~#new_type~0#1.offset);havoc ~#new_type~0#1.base, ~#new_type~0#1.offset;call ULTIMATE.dealloc(~#xc~0#1.base, ~#xc~0#1.offset);havoc ~#xc~0#1.base, ~#xc~0#1.offset; [2025-02-06 07:11:18,093 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10087: havoc __phys_addr_#t~nondet1368#1; [2025-02-06 07:11:18,352 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10138: havoc #t~nondet1375; [2025-02-06 07:11:18,374 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10094: havoc _copy_from_user_#t~nondet1369#1; [2025-02-06 07:11:18,424 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8729: havoc #t~mem1070.base, #t~mem1070.offset; [2025-02-06 07:11:18,431 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7391: havoc #t~mem550.base, #t~mem550.offset; [2025-02-06 07:11:18,552 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10128: havoc dev_trans_start_#t~nondet1374#1; [2025-02-06 07:11:19,077 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10184: havoc netif_rx_#t~nondet1383#1; [2025-02-06 07:11:19,281 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10211: havoc #t~nondet1386; [2025-02-06 07:11:19,283 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10117: havoc #t~nondet1372; [2025-02-06 07:11:19,295 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10149: havoc hdlc_open_#t~nondet1377#1; [2025-02-06 07:11:19,347 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7300: havoc #t~mem530.base, #t~mem530.offset; [2025-02-06 07:11:19,356 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7192: havoc dev_get_drvdata_#t~mem501#1.base, dev_get_drvdata_#t~mem501#1.offset; [2025-02-06 07:11:19,620 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10124: havoc del_timer_#t~nondet1373#1; [2025-02-06 07:11:19,623 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7247: havoc #t~mem516.base, #t~mem516.offset;havoc #t~mem517; [2025-02-06 07:11:25,452 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8062: call ULTIMATE.dealloc(lmc_init_one_~#__key~0#1.base, lmc_init_one_~#__key~0#1.offset);havoc lmc_init_one_~#__key~0#1.base, lmc_init_one_~#__key~0#1.offset; [2025-02-06 07:11:25,452 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10194: havoc pci_enable_device_#t~nondet1384#1; [2025-02-06 07:11:25,452 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10113: havoc alloc_hdlcdev_#t~ret1371#1.base, alloc_hdlcdev_#t~ret1371#1.offset; [2025-02-06 07:11:25,452 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10163: havoc ldv_ndo_init_4_#t~nondet1379#1; [2025-02-06 07:11:25,452 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9304: 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_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset);havoc main_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset; [2025-02-06 07:11:25,452 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10083: havoc __pci_register_driver_#t~nondet1367#1; [2025-02-06 07:11:25,452 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10215: havoc register_netdev_#t~nondet1387#1; [2025-02-06 07:11:25,452 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10167: havoc ldv_ndo_uninit_4_#t~nondet1380#1; [2025-02-06 07:11:25,452 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10201: havoc pci_request_regions_#t~nondet1385#1; [2025-02-06 07:11:25,452 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10153: havoc hdlc_start_xmit_#t~nondet1378#1; [2025-02-06 07:11:25,453 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10171: havoc ldv_shutdown_3_#t~nondet1381#1; [2025-02-06 07:11:26,013 INFO L? ?]: Removed 1970 outVars from TransFormulas that were not future-live. [2025-02-06 07:11:26,013 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 07:11:26,121 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 07:11:26,125 INFO L337 CfgBuilder]: Removed 5 assume(true) statements. [2025-02-06 07:11:26,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:11:26 BoogieIcfgContainer [2025-02-06 07:11:26,125 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 07:11:26,127 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 07:11:26,127 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 07:11:26,130 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 07:11:26,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 07:11:13" (1/3) ... [2025-02-06 07:11:26,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12ba6be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 07:11:26, skipping insertion in model container [2025-02-06 07:11:26,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 07:11:15" (2/3) ... [2025-02-06 07:11:26,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12ba6be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 07:11:26, skipping insertion in model container [2025-02-06 07:11:26,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 07:11:26" (3/3) ... [2025-02-06 07:11:26,134 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i [2025-02-06 07:11:26,147 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 07:11:26,150 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i that has 83 procedures, 2412 locations, 1 initial locations, 8 loop locations, and 1 error locations. [2025-02-06 07:11:26,242 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 07:11:26,252 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;@eac8cf3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 07:11:26,253 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 07:11:26,263 INFO L276 IsEmpty]: Start isEmpty. Operand has 2399 states, 1692 states have (on average 1.3735224586288417) internal successors, (2324), 1744 states have internal predecessors, (2324), 624 states have call successors, (624), 78 states have call predecessors, (624), 77 states have return successors, (618), 602 states have call predecessors, (618), 618 states have call successors, (618) [2025-02-06 07:11:26,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-02-06 07:11:26,274 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:11:26,274 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-02-06 07:11:26,277 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 07:11:26,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:11:26,281 INFO L85 PathProgramCache]: Analyzing trace with hash 359028954, now seen corresponding path program 1 times [2025-02-06 07:11:26,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:11:26,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281311528] [2025-02-06 07:11:26,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:11:26,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:11:29,419 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-02-06 07:11:29,676 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-02-06 07:11:29,677 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:11:29,677 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:11:29,942 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-02-06 07:11:29,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:11:29,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281311528] [2025-02-06 07:11:29,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281311528] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 07:11:29,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882633041] [2025-02-06 07:11:29,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:11:29,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 07:11:29,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 07:11:29,952 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 07:11:29,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 07:11:33,102 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-02-06 07:11:33,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-02-06 07:11:33,353 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:11:33,353 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:11:33,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 2685 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 07:11:33,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 07:11:33,381 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2025-02-06 07:11:33,381 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 07:11:33,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1882633041] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:11:33,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 07:11:33,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 07:11:33,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300643889] [2025-02-06 07:11:33,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:11:33,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 07:11:33,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:11:33,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 07:11:33,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 07:11:33,404 INFO L87 Difference]: Start difference. First operand has 2399 states, 1692 states have (on average 1.3735224586288417) internal successors, (2324), 1744 states have internal predecessors, (2324), 624 states have call successors, (624), 78 states have call predecessors, (624), 77 states have return successors, (618), 602 states have call predecessors, (618), 618 states have call successors, (618) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-06 07:11:34,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:11:34,725 INFO L93 Difference]: Finished difference Result 4793 states and 7394 transitions. [2025-02-06 07:11:34,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 07:11:34,727 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 93 [2025-02-06 07:11:34,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:11:34,759 INFO L225 Difference]: With dead ends: 4793 [2025-02-06 07:11:34,759 INFO L226 Difference]: Without dead ends: 2378 [2025-02-06 07:11:34,787 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 07:11:34,792 INFO L435 NwaCegarLoop]: 3380 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3380 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-06 07:11:34,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3380 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-06 07:11:34,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2378 states. [2025-02-06 07:11:34,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2378 to 2378. [2025-02-06 07:11:34,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2378 states, 1683 states have (on average 1.3380867498514557) internal successors, (2252), 1723 states have internal predecessors, (2252), 618 states have call successors, (618), 77 states have call predecessors, (618), 76 states have return successors, (617), 601 states have call predecessors, (617), 617 states have call successors, (617) [2025-02-06 07:11:34,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2378 states to 2378 states and 3487 transitions. [2025-02-06 07:11:34,987 INFO L78 Accepts]: Start accepts. Automaton has 2378 states and 3487 transitions. Word has length 93 [2025-02-06 07:11:34,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:11:34,988 INFO L471 AbstractCegarLoop]: Abstraction has 2378 states and 3487 transitions. [2025-02-06 07:11:34,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-06 07:11:34,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2378 states and 3487 transitions. [2025-02-06 07:11:34,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-02-06 07:11:34,994 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:11:34,996 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-02-06 07:11:35,010 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-06 07:11:35,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 07:11:35,197 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 07:11:35,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:11:35,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1611599561, now seen corresponding path program 1 times [2025-02-06 07:11:35,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:11:35,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281341277] [2025-02-06 07:11:35,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:11:35,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:11:37,820 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-02-06 07:11:37,883 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-02-06 07:11:37,884 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:11:37,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:11:38,114 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2025-02-06 07:11:38,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:11:38,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281341277] [2025-02-06 07:11:38,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281341277] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:11:38,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:11:38,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 07:11:38,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381784164] [2025-02-06 07:11:38,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:11:38,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 07:11:38,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:11:38,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 07:11:38,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 07:11:38,117 INFO L87 Difference]: Start difference. First operand 2378 states and 3487 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-02-06 07:11:40,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:11:40,668 INFO L93 Difference]: Finished difference Result 6981 states and 10245 transitions. [2025-02-06 07:11:40,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 07:11:40,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 93 [2025-02-06 07:11:40,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:11:40,715 INFO L225 Difference]: With dead ends: 6981 [2025-02-06 07:11:40,716 INFO L226 Difference]: Without dead ends: 4624 [2025-02-06 07:11:40,735 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 [2025-02-06 07:11:40,736 INFO L435 NwaCegarLoop]: 3964 mSDtfsCounter, 3316 mSDsluCounter, 3316 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3316 SdHoareTripleChecker+Valid, 7280 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2025-02-06 07:11:40,737 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3316 Valid, 7280 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2025-02-06 07:11:40,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4624 states. [2025-02-06 07:11:40,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4624 to 4620. [2025-02-06 07:11:40,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4620 states, 3271 states have (on average 1.3405686334454294) internal successors, (4385), 3349 states have internal predecessors, (4385), 1198 states have call successors, (1198), 151 states have call predecessors, (1198), 150 states have return successors, (1197), 1165 states have call predecessors, (1197), 1197 states have call successors, (1197) [2025-02-06 07:11:40,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4620 states to 4620 states and 6780 transitions. [2025-02-06 07:11:40,936 INFO L78 Accepts]: Start accepts. Automaton has 4620 states and 6780 transitions. Word has length 93 [2025-02-06 07:11:40,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:11:40,938 INFO L471 AbstractCegarLoop]: Abstraction has 4620 states and 6780 transitions. [2025-02-06 07:11:40,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-02-06 07:11:40,938 INFO L276 IsEmpty]: Start isEmpty. Operand 4620 states and 6780 transitions. [2025-02-06 07:11:40,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-02-06 07:11:40,948 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:11:40,948 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2025-02-06 07:11:40,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 07:11:40,948 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 07:11:40,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:11:40,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1829387198, now seen corresponding path program 1 times [2025-02-06 07:11:40,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:11:40,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589709351] [2025-02-06 07:11:40,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:11:40,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:11:43,787 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-06 07:11:43,859 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-06 07:11:43,859 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:11:43,859 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:11:44,121 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2025-02-06 07:11:44,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:11:44,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589709351] [2025-02-06 07:11:44,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589709351] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:11:44,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:11:44,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 07:11:44,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483783060] [2025-02-06 07:11:44,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:11:44,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 07:11:44,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:11:44,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 07:11:44,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 07:11:44,122 INFO L87 Difference]: Start difference. First operand 4620 states and 6780 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2025-02-06 07:11:46,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:11:46,126 INFO L93 Difference]: Finished difference Result 4625 states and 6786 transitions. [2025-02-06 07:11:46,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 07:11:46,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 123 [2025-02-06 07:11:46,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:11:46,155 INFO L225 Difference]: With dead ends: 4625 [2025-02-06 07:11:46,155 INFO L226 Difference]: Without dead ends: 4622 [2025-02-06 07:11:46,159 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 [2025-02-06 07:11:46,159 INFO L435 NwaCegarLoop]: 3353 mSDtfsCounter, 0 mSDsluCounter, 3348 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6701 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-02-06 07:11:46,159 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6701 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-02-06 07:11:46,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4622 states. [2025-02-06 07:11:46,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4622 to 4622. [2025-02-06 07:11:46,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4622 states, 3273 states have (on average 1.340360525511763) internal successors, (4387), 3351 states have internal predecessors, (4387), 1198 states have call successors, (1198), 151 states have call predecessors, (1198), 150 states have return successors, (1197), 1165 states have call predecessors, (1197), 1197 states have call successors, (1197) [2025-02-06 07:11:46,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4622 states to 4622 states and 6782 transitions. [2025-02-06 07:11:46,299 INFO L78 Accepts]: Start accepts. Automaton has 4622 states and 6782 transitions. Word has length 123 [2025-02-06 07:11:46,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:11:46,301 INFO L471 AbstractCegarLoop]: Abstraction has 4622 states and 6782 transitions. [2025-02-06 07:11:46,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2025-02-06 07:11:46,301 INFO L276 IsEmpty]: Start isEmpty. Operand 4622 states and 6782 transitions. [2025-02-06 07:11:46,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-02-06 07:11:46,310 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:11:46,310 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2025-02-06 07:11:46,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 07:11:46,311 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 07:11:46,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:11:46,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1527589788, now seen corresponding path program 1 times [2025-02-06 07:11:46,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:11:46,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921813294] [2025-02-06 07:11:46,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:11:46,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:11:48,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-02-06 07:11:48,891 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-02-06 07:11:48,891 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:11:48,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:11:49,289 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2025-02-06 07:11:49,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:11:49,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921813294] [2025-02-06 07:11:49,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921813294] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:11:49,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:11:49,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 07:11:49,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588376266] [2025-02-06 07:11:49,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:11:49,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 07:11:49,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:11:49,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 07:11:49,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 07:11:49,291 INFO L87 Difference]: Start difference. First operand 4622 states and 6782 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-02-06 07:11:53,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:11:53,455 INFO L93 Difference]: Finished difference Result 12443 states and 18359 transitions. [2025-02-06 07:11:53,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 07:11:53,455 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 125 [2025-02-06 07:11:53,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:11:53,545 INFO L225 Difference]: With dead ends: 12443 [2025-02-06 07:11:53,546 INFO L226 Difference]: Without dead ends: 7853 [2025-02-06 07:11:53,590 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 07:11:53,592 INFO L435 NwaCegarLoop]: 4678 mSDtfsCounter, 2973 mSDsluCounter, 7376 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2973 SdHoareTripleChecker+Valid, 12054 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2025-02-06 07:11:53,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2973 Valid, 12054 Invalid, 535 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2025-02-06 07:11:53,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7853 states. [2025-02-06 07:11:53,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7853 to 7825. [2025-02-06 07:11:53,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7825 states, 5557 states have (on average 1.339031851718553) internal successors, (7441), 5695 states have internal predecessors, (7441), 2008 states have call successors, (2008), 262 states have call predecessors, (2008), 259 states have return successors, (2031), 1945 states have call predecessors, (2031), 2007 states have call successors, (2031) [2025-02-06 07:11:53,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7825 states to 7825 states and 11480 transitions. [2025-02-06 07:11:53,986 INFO L78 Accepts]: Start accepts. Automaton has 7825 states and 11480 transitions. Word has length 125 [2025-02-06 07:11:53,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:11:53,987 INFO L471 AbstractCegarLoop]: Abstraction has 7825 states and 11480 transitions. [2025-02-06 07:11:53,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-02-06 07:11:53,987 INFO L276 IsEmpty]: Start isEmpty. Operand 7825 states and 11480 transitions. [2025-02-06 07:11:54,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-02-06 07:11:54,014 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:11:54,014 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 07:11:54,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 07:11:54,014 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 07:11:54,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:11:54,015 INFO L85 PathProgramCache]: Analyzing trace with hash -497821971, now seen corresponding path program 1 times [2025-02-06 07:11:54,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:11:54,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017234867] [2025-02-06 07:11:54,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:11:54,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:11:56,951 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-02-06 07:11:57,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-02-06 07:11:57,003 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:11:57,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:11:57,574 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-02-06 07:11:57,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:11:57,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017234867] [2025-02-06 07:11:57,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017234867] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:11:57,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:11:57,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 07:11:57,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809844716] [2025-02-06 07:11:57,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:11:57,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 07:11:57,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:11:57,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 07:11:57,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 07:11:57,576 INFO L87 Difference]: Start difference. First operand 7825 states and 11480 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2025-02-06 07:12:02,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:12:02,274 INFO L93 Difference]: Finished difference Result 23397 states and 34412 transitions. [2025-02-06 07:12:02,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 07:12:02,274 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 192 [2025-02-06 07:12:02,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:12:02,356 INFO L225 Difference]: With dead ends: 23397 [2025-02-06 07:12:02,356 INFO L226 Difference]: Without dead ends: 15598 [2025-02-06 07:12:02,387 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 07:12:02,388 INFO L435 NwaCegarLoop]: 3728 mSDtfsCounter, 3461 mSDsluCounter, 10770 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3461 SdHoareTripleChecker+Valid, 14498 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-02-06 07:12:02,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3461 Valid, 14498 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2025-02-06 07:12:02,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15598 states. [2025-02-06 07:12:02,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15598 to 15589. [2025-02-06 07:12:02,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15589 states, 11069 states have (on average 1.3383322793386936) internal successors, (14814), 11351 states have internal predecessors, (14814), 4005 states have call successors, (4005), 519 states have call predecessors, (4005), 514 states have return successors, (4094), 3874 states have call predecessors, (4094), 4004 states have call successors, (4094) [2025-02-06 07:12:03,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15589 states to 15589 states and 22913 transitions. [2025-02-06 07:12:03,063 INFO L78 Accepts]: Start accepts. Automaton has 15589 states and 22913 transitions. Word has length 192 [2025-02-06 07:12:03,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:12:03,064 INFO L471 AbstractCegarLoop]: Abstraction has 15589 states and 22913 transitions. [2025-02-06 07:12:03,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2025-02-06 07:12:03,065 INFO L276 IsEmpty]: Start isEmpty. Operand 15589 states and 22913 transitions. [2025-02-06 07:12:03,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2025-02-06 07:12:03,104 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:12:03,104 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 07:12:03,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 07:12:03,105 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 07:12:03,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:12:03,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1906700650, now seen corresponding path program 1 times [2025-02-06 07:12:03,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:12:03,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632490605] [2025-02-06 07:12:03,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:12:03,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:12:05,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-02-06 07:12:06,040 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-02-06 07:12:06,041 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:12:06,041 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:12:06,578 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-02-06 07:12:06,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:12:06,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632490605] [2025-02-06 07:12:06,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632490605] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:12:06,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:12:06,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 07:12:06,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967104238] [2025-02-06 07:12:06,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:12:06,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 07:12:06,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:12:06,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 07:12:06,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 07:12:06,579 INFO L87 Difference]: Start difference. First operand 15589 states and 22913 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2025-02-06 07:12:11,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:12:11,606 INFO L93 Difference]: Finished difference Result 46705 states and 68771 transitions. [2025-02-06 07:12:11,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 07:12:11,607 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 194 [2025-02-06 07:12:11,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:12:11,834 INFO L225 Difference]: With dead ends: 46705 [2025-02-06 07:12:11,834 INFO L226 Difference]: Without dead ends: 31136 [2025-02-06 07:12:11,910 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 07:12:11,911 INFO L435 NwaCegarLoop]: 3411 mSDtfsCounter, 3468 mSDsluCounter, 10135 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3468 SdHoareTripleChecker+Valid, 13546 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2025-02-06 07:12:11,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3468 Valid, 13546 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2025-02-06 07:12:11,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31136 states. [2025-02-06 07:12:12,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31136 to 31133. [2025-02-06 07:12:12,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31133 states, 22111 states have (on average 1.3377956673149112) internal successors, (29580), 22673 states have internal predecessors, (29580), 7997 states have call successors, (7997), 1033 states have call predecessors, (7997), 1024 states have return successors, (8236), 7738 states have call predecessors, (8236), 7996 states have call successors, (8236) [2025-02-06 07:12:12,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31133 states to 31133 states and 45813 transitions. [2025-02-06 07:12:12,971 INFO L78 Accepts]: Start accepts. Automaton has 31133 states and 45813 transitions. Word has length 194 [2025-02-06 07:12:12,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:12:12,972 INFO L471 AbstractCegarLoop]: Abstraction has 31133 states and 45813 transitions. [2025-02-06 07:12:12,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2025-02-06 07:12:12,972 INFO L276 IsEmpty]: Start isEmpty. Operand 31133 states and 45813 transitions. [2025-02-06 07:12:12,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-02-06 07:12:13,000 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:12:13,000 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 07:12:13,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 07:12:13,000 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 07:12:13,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:12:13,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1559434534, now seen corresponding path program 1 times [2025-02-06 07:12:13,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:12:13,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418361450] [2025-02-06 07:12:13,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:12:13,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:12:17,029 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-02-06 07:12:17,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-02-06 07:12:17,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:12:17,098 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:12:17,651 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-02-06 07:12:17,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:12:17,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418361450] [2025-02-06 07:12:17,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418361450] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:12:17,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:12:17,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 07:12:17,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490602513] [2025-02-06 07:12:17,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:12:17,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 07:12:17,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:12:17,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 07:12:17,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 07:12:17,653 INFO L87 Difference]: Start difference. First operand 31133 states and 45813 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2025-02-06 07:12:23,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 07:12:23,055 INFO L93 Difference]: Finished difference Result 93347 states and 137557 transitions. [2025-02-06 07:12:23,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 07:12:23,056 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 195 [2025-02-06 07:12:23,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 07:12:23,909 INFO L225 Difference]: With dead ends: 93347 [2025-02-06 07:12:23,909 INFO L226 Difference]: Without dead ends: 62222 [2025-02-06 07:12:24,167 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 07:12:24,169 INFO L435 NwaCegarLoop]: 3352 mSDtfsCounter, 3469 mSDsluCounter, 10017 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3469 SdHoareTripleChecker+Valid, 13369 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2025-02-06 07:12:24,169 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3469 Valid, 13369 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2025-02-06 07:12:24,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62222 states. [2025-02-06 07:12:26,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62222 to 62219. [2025-02-06 07:12:26,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62219 states, 44197 states have (on average 1.3373305880489625) internal successors, (59106), 45317 states have internal predecessors, (59106), 15977 states have call successors, (15977), 2061 states have call predecessors, (15977), 2044 states have return successors, (16552), 15464 states have call predecessors, (16552), 15976 states have call successors, (16552) [2025-02-06 07:12:26,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62219 states to 62219 states and 91635 transitions. [2025-02-06 07:12:26,580 INFO L78 Accepts]: Start accepts. Automaton has 62219 states and 91635 transitions. Word has length 195 [2025-02-06 07:12:26,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 07:12:26,581 INFO L471 AbstractCegarLoop]: Abstraction has 62219 states and 91635 transitions. [2025-02-06 07:12:26,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2025-02-06 07:12:26,581 INFO L276 IsEmpty]: Start isEmpty. Operand 62219 states and 91635 transitions. [2025-02-06 07:12:26,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2025-02-06 07:12:26,603 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 07:12:26,603 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 07:12:26,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 07:12:26,603 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 07:12:26,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 07:12:26,604 INFO L85 PathProgramCache]: Analyzing trace with hash 797209097, now seen corresponding path program 1 times [2025-02-06 07:12:26,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 07:12:26,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501636464] [2025-02-06 07:12:26,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 07:12:26,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 07:12:30,384 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes. [2025-02-06 07:12:30,486 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements. [2025-02-06 07:12:30,489 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 07:12:30,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 07:12:30,948 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-02-06 07:12:30,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 07:12:30,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501636464] [2025-02-06 07:12:30,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501636464] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 07:12:30,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 07:12:30,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 07:12:30,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546206989] [2025-02-06 07:12:30,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 07:12:30,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 07:12:30,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 07:12:30,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 07:12:30,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 07:12:30,950 INFO L87 Difference]: Start difference. First operand 62219 states and 91635 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20)