./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 551b0097 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-?-551b009-m [2025-01-09 19:17:09,213 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 19:17:09,257 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 19:17:09,261 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 19:17:09,264 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 19:17:09,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 19:17:09,285 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 19:17:09,286 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 19:17:09,286 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 19:17:09,286 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 19:17:09,287 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 19:17:09,287 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 19:17:09,287 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 19:17:09,287 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 19:17:09,288 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 19:17:09,288 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 19:17:09,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 19:17:09,288 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 19:17:09,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 19:17:09,288 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 19:17:09,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 19:17:09,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 19:17:09,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 19:17:09,289 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 19:17:09,289 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 19:17:09,289 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 19:17:09,289 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 19:17:09,289 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 19:17:09,289 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 19:17:09,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:17:09,289 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 19:17:09,290 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 19:17:09,290 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 19:17:09,290 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 19:17:09,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:17:09,290 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 19:17:09,290 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 19:17:09,290 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 19:17:09,290 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 19:17:09,290 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 19:17:09,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 19:17:09,290 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 19:17:09,290 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 19:17:09,291 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 19:17:09,291 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 19:17:09,291 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 [2025-01-09 19:17:09,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 19:17:09,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 19:17:09,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 19:17:09,521 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 19:17:09,522 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 19:17:09,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i [2025-01-09 19:17:10,661 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/407f4312a/143b312432164d4d82dbb54c9b8470fd/FLAG01d60dd88 [2025-01-09 19:17:11,132 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 19:17:11,132 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i [2025-01-09 19:17:11,169 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/407f4312a/143b312432164d4d82dbb54c9b8470fd/FLAG01d60dd88 [2025-01-09 19:17:11,233 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/407f4312a/143b312432164d4d82dbb54c9b8470fd [2025-01-09 19:17:11,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 19:17:11,238 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 19:17:11,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 19:17:11,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 19:17:11,243 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 19:17:11,243 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:17:11" (1/1) ... [2025-01-09 19:17:11,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b15e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:17:11, skipping insertion in model container [2025-01-09 19:17:11,244 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:17:11" (1/1) ... [2025-01-09 19:17:11,310 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 19:17:12,663 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] [2025-01-09 19:17:12,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 19:17:12,760 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 19:17:12,902 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5924] [2025-01-09 19:17:12,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5932] [2025-01-09 19:17:12,968 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] [2025-01-09 19:17:12,971 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] [2025-01-09 19:17:12,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [7040] [2025-01-09 19:17:13,264 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] [2025-01-09 19:17:13,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 19:17:13,334 INFO L204 MainTranslator]: Completed translation [2025-01-09 19:17:13,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:17:13 WrapperNode [2025-01-09 19:17:13,336 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 19:17:13,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 19:17:13,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 19:17:13,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 19:17:13,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:17:13" (1/1) ... [2025-01-09 19:17:13,391 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:17:13" (1/1) ... [2025-01-09 19:17:13,518 INFO L138 Inliner]: procedures = 273, calls = 2182, calls flagged for inlining = 123, calls inlined = 120, statements flattened = 5426 [2025-01-09 19:17:13,518 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 19:17:13,519 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 19:17:13,519 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 19:17:13,519 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 19:17:13,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:17:13" (1/1) ... [2025-01-09 19:17:13,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:17:13" (1/1) ... [2025-01-09 19:17:13,550 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:17:13" (1/1) ... [2025-01-09 19:17:13,988 INFO L175 MemorySlicer]: Split 1187 memory accesses to 6 slices as follows [2, 4, 4, 43, 1128, 6]. 95 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 0, 4, 0]. The 527 writes are split as follows [0, 0, 0, 43, 483, 1]. [2025-01-09 19:17:13,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:17:13" (1/1) ... [2025-01-09 19:17:13,989 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:17:13" (1/1) ... [2025-01-09 19:17:14,050 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:17:13" (1/1) ... [2025-01-09 19:17:14,058 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:17:13" (1/1) ... [2025-01-09 19:17:14,070 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:17:13" (1/1) ... [2025-01-09 19:17:14,088 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:17:13" (1/1) ... [2025-01-09 19:17:14,098 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:17:13" (1/1) ... [2025-01-09 19:17:14,136 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 19:17:14,138 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 19:17:14,138 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 19:17:14,138 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 19:17:14,138 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:17:13" (1/1) ... [2025-01-09 19:17:14,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:17:14,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 19:17:14,165 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) [2025-01-09 19:17:14,173 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 [2025-01-09 19:17:14,194 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2025-01-09 19:17:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2025-01-09 19:17:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2025-01-09 19:17:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2025-01-09 19:17:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-01-09 19:17:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-01-09 19:17:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-01-09 19:17:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-01-09 19:17:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-01-09 19:17:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-01-09 19:17:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 19:17:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 19:17:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 19:17:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 19:17:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 19:17:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 19:17:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2025-01-09 19:17:14,196 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2025-01-09 19:17:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-01-09 19:17:14,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-01-09 19:17:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-01-09 19:17:14,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-01-09 19:17:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2025-01-09 19:17:14,197 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2025-01-09 19:17:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2025-01-09 19:17:14,197 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2025-01-09 19:17:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2025-01-09 19:17:14,197 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2025-01-09 19:17:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2025-01-09 19:17:14,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2025-01-09 19:17:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 19:17:14,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 19:17:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2025-01-09 19:17:14,198 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2025-01-09 19:17:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2025-01-09 19:17:14,198 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2025-01-09 19:17:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-01-09 19:17:14,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-01-09 19:17:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 19:17:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 19:17:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-09 19:17:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-01-09 19:17:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-01-09 19:17:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-01-09 19:17:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 19:17:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 19:17:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-09 19:17:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-01-09 19:17:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-01-09 19:17:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-01-09 19:17:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 19:17:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 19:17:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2025-01-09 19:17:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2025-01-09 19:17:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-01-09 19:17:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-01-09 19:17:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2025-01-09 19:17:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2025-01-09 19:17:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2025-01-09 19:17:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2025-01-09 19:17:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2025-01-09 19:17:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2025-01-09 19:17:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2025-01-09 19:17:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2025-01-09 19:17:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2025-01-09 19:17:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2025-01-09 19:17:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2025-01-09 19:17:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2025-01-09 19:17:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2025-01-09 19:17:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2025-01-09 19:17:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_get_stats [2025-01-09 19:17:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_get_stats [2025-01-09 19:17:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 19:17:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2025-01-09 19:17:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2025-01-09 19:17:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2025-01-09 19:17:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2025-01-09 19:17:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2025-01-09 19:17:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2025-01-09 19:17:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 19:17:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 19:17:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 19:17:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 19:17:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 19:17:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 19:17:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2025-01-09 19:17:14,200 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2025-01-09 19:17:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2025-01-09 19:17:14,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2025-01-09 19:17:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-01-09 19:17:14,200 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-01-09 19:17:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2025-01-09 19:17:14,200 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2025-01-09 19:17:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 19:17:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2025-01-09 19:17:14,200 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2025-01-09 19:17:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-01-09 19:17:14,200 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-01-09 19:17:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2025-01-09 19:17:14,200 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2025-01-09 19:17:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2025-01-09 19:17:14,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2025-01-09 19:17:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2025-01-09 19:17:14,200 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2025-01-09 19:17:14,203 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2025-01-09 19:17:14,203 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2025-01-09 19:17:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-01-09 19:17:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-01-09 19:17:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2025-01-09 19:17:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2025-01-09 19:17:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2025-01-09 19:17:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2025-01-09 19:17:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2025-01-09 19:17:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2025-01-09 19:17:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2025-01-09 19:17:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2025-01-09 19:17:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-01-09 19:17:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-01-09 19:17:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-01-09 19:17:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-01-09 19:17:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-01-09 19:17:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-01-09 19:17:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 19:17:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 19:17:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 19:17:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 19:17:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 19:17:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 19:17:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2025-01-09 19:17:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2025-01-09 19:17:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 19:17:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-01-09 19:17:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2025-01-09 19:17:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2025-01-09 19:17:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-01-09 19:17:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2025-01-09 19:17:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2025-01-09 19:17:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2025-01-09 19:17:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2025-01-09 19:17:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2025-01-09 19:17:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-01-09 19:17:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2025-01-09 19:17:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ioctl [2025-01-09 19:17:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ioctl [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2025-01-09 19:17:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2025-01-09 19:17:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2025-01-09 19:17:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2025-01-09 19:17:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2025-01-09 19:17:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2025-01-09 19:17:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2025-01-09 19:17:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2025-01-09 19:17:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 19:17:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-01-09 19:17:14,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-01-09 19:17:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 19:17:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 19:17:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 19:17:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 19:17:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 19:17:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 19:17:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2025-01-09 19:17:14,206 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2025-01-09 19:17:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2025-01-09 19:17:14,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2025-01-09 19:17:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2025-01-09 19:17:14,208 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2025-01-09 19:17:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-01-09 19:17:14,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-01-09 19:17:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2025-01-09 19:17:14,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2025-01-09 19:17:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2025-01-09 19:17:14,208 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2025-01-09 19:17:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2025-01-09 19:17:14,208 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2025-01-09 19:17:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2025-01-09 19:17:14,208 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2025-01-09 19:17:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2025-01-09 19:17:14,208 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2025-01-09 19:17:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 19:17:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 19:17:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 19:17:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 19:17:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 19:17:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 19:17:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2025-01-09 19:17:14,208 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2025-01-09 19:17:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2025-01-09 19:17:14,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2025-01-09 19:17:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2025-01-09 19:17:14,208 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2025-01-09 19:17:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2025-01-09 19:17:14,208 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2025-01-09 19:17:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 19:17:14,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 19:17:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2025-01-09 19:17:14,208 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2025-01-09 19:17:14,825 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 19:17:14,826 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 19:17:15,124 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-01-09 19:17:30,542 INFO L? ?]: Removed 1970 outVars from TransFormulas that were not future-live. [2025-01-09 19:17:30,542 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 19:17:30,581 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 19:17:30,585 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 19:17:30,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:17:30 BoogieIcfgContainer [2025-01-09 19:17:30,585 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 19:17:30,586 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 19:17:30,586 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 19:17:30,590 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 19:17:30,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 07:17:11" (1/3) ... [2025-01-09 19:17:30,590 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12452134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:17:30, skipping insertion in model container [2025-01-09 19:17:30,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:17:13" (2/3) ... [2025-01-09 19:17:30,591 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12452134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:17:30, skipping insertion in model container [2025-01-09 19:17:30,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:17:30" (3/3) ... [2025-01-09 19:17:30,592 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i [2025-01-09 19:17:30,604 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 19:17:30,607 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. [2025-01-09 19:17:30,677 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 19:17:30,684 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;@4cd9e218, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 19:17:30,685 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 19:17:30,693 INFO L276 IsEmpty]: Start isEmpty. Operand has 2395 states, 1692 states have (on average 1.3735224586288417) internal successors, (2324), 1740 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) [2025-01-09 19:17:30,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-01-09 19:17:30,701 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:17:30,702 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] [2025-01-09 19:17:30,702 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 19:17:30,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:17:30,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1034158471, now seen corresponding path program 1 times [2025-01-09 19:17:30,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:17:30,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348993508] [2025-01-09 19:17:30,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:17:30,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:17:33,298 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-01-09 19:17:33,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-01-09 19:17:33,459 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:17:33,459 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:17:33,740 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-01-09 19:17:33,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:17:33,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348993508] [2025-01-09 19:17:33,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348993508] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 19:17:33,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928685615] [2025-01-09 19:17:33,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:17:33,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 19:17:33,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 19:17:33,749 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) [2025-01-09 19:17:33,750 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 [2025-01-09 19:17:36,646 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-01-09 19:17:36,883 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-01-09 19:17:36,883 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:17:36,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:17:36,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 2685 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 19:17:36,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 19:17:36,908 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2025-01-09 19:17:36,908 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 19:17:36,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928685615] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:17:36,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 19:17:36,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 19:17:36,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641195287] [2025-01-09 19:17:36,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:17:36,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 19:17:36,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:17:36,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 19:17:36,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 19:17:36,941 INFO L87 Difference]: Start difference. First operand has 2395 states, 1692 states have (on average 1.3735224586288417) internal successors, (2324), 1740 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) [2025-01-09 19:17:37,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:17:37,136 INFO L93 Difference]: Finished difference Result 4785 states and 7394 transitions. [2025-01-09 19:17:37,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 19:17:37,138 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 [2025-01-09 19:17:37,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:17:37,163 INFO L225 Difference]: With dead ends: 4785 [2025-01-09 19:17:37,163 INFO L226 Difference]: Without dead ends: 2378 [2025-01-09 19:17:37,228 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 [2025-01-09 19:17:37,234 INFO L435 NwaCegarLoop]: 3513 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3513 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 19:17:37,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3513 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 19:17:37,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2378 states. [2025-01-09 19:17:37,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2378 to 2378. [2025-01-09 19:17:37,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2378 states, 1683 states have (on average 1.340463458110517) internal successors, (2256), 1723 states have internal predecessors, (2256), 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) [2025-01-09 19:17:37,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2378 states to 2378 states and 3491 transitions. [2025-01-09 19:17:37,451 INFO L78 Accepts]: Start accepts. Automaton has 2378 states and 3491 transitions. Word has length 93 [2025-01-09 19:17:37,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:17:37,451 INFO L471 AbstractCegarLoop]: Abstraction has 2378 states and 3491 transitions. [2025-01-09 19:17:37,452 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) [2025-01-09 19:17:37,452 INFO L276 IsEmpty]: Start isEmpty. Operand 2378 states and 3491 transitions. [2025-01-09 19:17:37,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-01-09 19:17:37,455 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:17:37,455 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] [2025-01-09 19:17:37,470 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 19:17:37,655 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 [2025-01-09 19:17:37,656 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 19:17:37,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:17:37,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1387868737, now seen corresponding path program 1 times [2025-01-09 19:17:37,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:17:37,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216027127] [2025-01-09 19:17:37,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:17:37,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:17:40,002 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-01-09 19:17:40,096 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-01-09 19:17:40,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:17:40,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:17:40,374 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2025-01-09 19:17:40,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:17:40,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216027127] [2025-01-09 19:17:40,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216027127] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:17:40,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:17:40,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:17:40,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131812301] [2025-01-09 19:17:40,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:17:40,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:17:40,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:17:40,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:17:40,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:17:40,376 INFO L87 Difference]: Start difference. First operand 2378 states and 3491 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) [2025-01-09 19:17:40,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:17:40,689 INFO L93 Difference]: Finished difference Result 6981 states and 10257 transitions. [2025-01-09 19:17:40,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:17:40,690 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 [2025-01-09 19:17:40,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:17:40,726 INFO L225 Difference]: With dead ends: 6981 [2025-01-09 19:17:40,727 INFO L226 Difference]: Without dead ends: 4625 [2025-01-09 19:17:40,791 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 [2025-01-09 19:17:40,791 INFO L435 NwaCegarLoop]: 4108 mSDtfsCounter, 3320 mSDsluCounter, 3452 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3320 SdHoareTripleChecker+Valid, 7560 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 19:17:40,792 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3320 Valid, 7560 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 19:17:40,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4625 states. [2025-01-09 19:17:40,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4625 to 4621. [2025-01-09 19:17:40,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4621 states, 3272 states have (on average 1.3429095354523228) internal successors, (4394), 3350 states have internal predecessors, (4394), 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) [2025-01-09 19:17:40,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4621 states to 4621 states and 6789 transitions. [2025-01-09 19:17:40,942 INFO L78 Accepts]: Start accepts. Automaton has 4621 states and 6789 transitions. Word has length 93 [2025-01-09 19:17:40,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:17:40,943 INFO L471 AbstractCegarLoop]: Abstraction has 4621 states and 6789 transitions. [2025-01-09 19:17:40,943 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) [2025-01-09 19:17:40,943 INFO L276 IsEmpty]: Start isEmpty. Operand 4621 states and 6789 transitions. [2025-01-09 19:17:40,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-01-09 19:17:40,949 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:17:40,949 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] [2025-01-09 19:17:40,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 19:17:40,949 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 19:17:40,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:17:40,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1141391984, now seen corresponding path program 1 times [2025-01-09 19:17:40,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:17:40,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906428290] [2025-01-09 19:17:40,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:17:40,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:17:43,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-01-09 19:17:43,170 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-01-09 19:17:43,170 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:17:43,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:17:43,386 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2025-01-09 19:17:43,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:17:43,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906428290] [2025-01-09 19:17:43,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906428290] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:17:43,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:17:43,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:17:43,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937139330] [2025-01-09 19:17:43,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:17:43,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:17:43,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:17:43,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:17:43,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:17:43,388 INFO L87 Difference]: Start difference. First operand 4621 states and 6789 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) [2025-01-09 19:17:43,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:17:43,499 INFO L93 Difference]: Finished difference Result 4626 states and 6795 transitions. [2025-01-09 19:17:43,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:17:43,500 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 [2025-01-09 19:17:43,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:17:43,535 INFO L225 Difference]: With dead ends: 4626 [2025-01-09 19:17:43,535 INFO L226 Difference]: Without dead ends: 4623 [2025-01-09 19:17:43,539 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 [2025-01-09 19:17:43,541 INFO L435 NwaCegarLoop]: 3490 mSDtfsCounter, 0 mSDsluCounter, 3485 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6975 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 19:17:43,541 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6975 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 19:17:43,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4623 states. [2025-01-09 19:17:43,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4623 to 4623. [2025-01-09 19:17:43,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4623 states, 3274 states have (on average 1.342700061087355) internal successors, (4396), 3352 states have internal predecessors, (4396), 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) [2025-01-09 19:17:43,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4623 states to 4623 states and 6791 transitions. [2025-01-09 19:17:43,695 INFO L78 Accepts]: Start accepts. Automaton has 4623 states and 6791 transitions. Word has length 123 [2025-01-09 19:17:43,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:17:43,696 INFO L471 AbstractCegarLoop]: Abstraction has 4623 states and 6791 transitions. [2025-01-09 19:17:43,696 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) [2025-01-09 19:17:43,696 INFO L276 IsEmpty]: Start isEmpty. Operand 4623 states and 6791 transitions. [2025-01-09 19:17:43,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-01-09 19:17:43,705 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:17:43,705 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] [2025-01-09 19:17:43,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 19:17:43,706 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 19:17:43,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:17:43,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1066446453, now seen corresponding path program 1 times [2025-01-09 19:17:43,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:17:43,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94215817] [2025-01-09 19:17:43,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:17:43,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:17:45,965 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-01-09 19:17:46,008 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-01-09 19:17:46,008 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:17:46,008 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:17:46,384 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2025-01-09 19:17:46,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:17:46,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94215817] [2025-01-09 19:17:46,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94215817] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:17:46,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:17:46,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 19:17:46,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517792930] [2025-01-09 19:17:46,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:17:46,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 19:17:46,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:17:46,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 19:17:46,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 19:17:46,385 INFO L87 Difference]: Start difference. First operand 4623 states and 6791 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) [2025-01-09 19:17:46,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:17:46,694 INFO L93 Difference]: Finished difference Result 12445 states and 18377 transitions. [2025-01-09 19:17:46,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 19:17:46,695 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 [2025-01-09 19:17:46,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:17:46,764 INFO L225 Difference]: With dead ends: 12445 [2025-01-09 19:17:46,764 INFO L226 Difference]: Without dead ends: 7854 [2025-01-09 19:17:46,796 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 [2025-01-09 19:17:46,797 INFO L435 NwaCegarLoop]: 5047 mSDtfsCounter, 2977 mSDsluCounter, 7877 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2977 SdHoareTripleChecker+Valid, 12924 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 19:17:46,798 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2977 Valid, 12924 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 19:17:46,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7854 states. [2025-01-09 19:17:47,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7854 to 7826. [2025-01-09 19:17:47,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7826 states, 5558 states have (on average 1.3404102195034184) internal successors, (7450), 5696 states have internal predecessors, (7450), 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) [2025-01-09 19:17:47,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7826 states to 7826 states and 11489 transitions. [2025-01-09 19:17:47,105 INFO L78 Accepts]: Start accepts. Automaton has 7826 states and 11489 transitions. Word has length 125 [2025-01-09 19:17:47,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:17:47,105 INFO L471 AbstractCegarLoop]: Abstraction has 7826 states and 11489 transitions. [2025-01-09 19:17:47,105 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) [2025-01-09 19:17:47,105 INFO L276 IsEmpty]: Start isEmpty. Operand 7826 states and 11489 transitions. [2025-01-09 19:17:47,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2025-01-09 19:17:47,126 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:17:47,127 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] [2025-01-09 19:17:47,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 19:17:47,127 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 19:17:47,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:17:47,128 INFO L85 PathProgramCache]: Analyzing trace with hash -730448692, now seen corresponding path program 1 times [2025-01-09 19:17:47,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:17:47,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363896790] [2025-01-09 19:17:47,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:17:47,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:17:49,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes. [2025-01-09 19:17:49,344 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements. [2025-01-09 19:17:49,344 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:17:49,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:17:50,277 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-01-09 19:17:50,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:17:50,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363896790] [2025-01-09 19:17:50,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363896790] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:17:50,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:17:50,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 19:17:50,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858969888] [2025-01-09 19:17:50,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:17:50,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 19:17:50,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:17:50,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 19:17:50,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 19:17:50,279 INFO L87 Difference]: Start difference. First operand 7826 states and 11489 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) [2025-01-09 19:17:51,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:17:51,164 INFO L93 Difference]: Finished difference Result 23420 states and 34465 transitions. [2025-01-09 19:17:51,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 19:17:51,164 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 193 [2025-01-09 19:17:51,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:17:51,293 INFO L225 Difference]: With dead ends: 23420 [2025-01-09 19:17:51,293 INFO L226 Difference]: Without dead ends: 15626 [2025-01-09 19:17:51,339 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-09 19:17:51,342 INFO L435 NwaCegarLoop]: 3551 mSDtfsCounter, 3476 mSDsluCounter, 10550 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3477 SdHoareTripleChecker+Valid, 14101 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 19:17:51,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3477 Valid, 14101 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 19:17:51,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15626 states. [2025-01-09 19:17:51,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15626 to 15619. [2025-01-09 19:17:51,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15619 states, 11095 states have (on average 1.3395223073456513) internal successors, (14862), 11371 states have internal predecessors, (14862), 4007 states have call successors, (4007), 521 states have call predecessors, (4007), 516 states have return successors, (4096), 3882 states have call predecessors, (4096), 4006 states have call successors, (4096) [2025-01-09 19:17:51,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15619 states to 15619 states and 22965 transitions. [2025-01-09 19:17:51,992 INFO L78 Accepts]: Start accepts. Automaton has 15619 states and 22965 transitions. Word has length 193 [2025-01-09 19:17:51,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:17:51,993 INFO L471 AbstractCegarLoop]: Abstraction has 15619 states and 22965 transitions. [2025-01-09 19:17:51,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2025-01-09 19:17:51,994 INFO L276 IsEmpty]: Start isEmpty. Operand 15619 states and 22965 transitions. [2025-01-09 19:17:52,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-01-09 19:17:52,015 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:17:52,015 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] [2025-01-09 19:17:52,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 19:17:52,015 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 19:17:52,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:17:52,016 INFO L85 PathProgramCache]: Analyzing trace with hash 138044391, now seen corresponding path program 1 times [2025-01-09 19:17:52,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:17:52,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479668961] [2025-01-09 19:17:52,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:17:52,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:17:54,412 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-01-09 19:17:54,447 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-01-09 19:17:54,448 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:17:54,448 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:17:54,913 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-01-09 19:17:54,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:17:54,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479668961] [2025-01-09 19:17:54,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479668961] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:17:54,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:17:54,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 19:17:54,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511662944] [2025-01-09 19:17:54,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:17:54,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 19:17:54,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:17:54,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 19:17:54,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 19:17:54,914 INFO L87 Difference]: Start difference. First operand 15619 states and 22965 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) [2025-01-09 19:17:56,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:17:56,139 INFO L93 Difference]: Finished difference Result 46797 states and 68949 transitions. [2025-01-09 19:17:56,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 19:17:56,139 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 [2025-01-09 19:17:56,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:17:56,485 INFO L225 Difference]: With dead ends: 46797 [2025-01-09 19:17:56,485 INFO L226 Difference]: Without dead ends: 31210 [2025-01-09 19:17:56,564 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-09 19:17:56,565 INFO L435 NwaCegarLoop]: 3549 mSDtfsCounter, 3475 mSDsluCounter, 10551 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3476 SdHoareTripleChecker+Valid, 14100 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 19:17:56,565 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3476 Valid, 14100 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 19:17:56,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31210 states. [2025-01-09 19:17:57,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31210 to 31171. [2025-01-09 19:17:57,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31171 states, 22137 states have (on average 1.3390251614943307) internal successors, (29642), 22703 states have internal predecessors, (29642), 8003 states have call successors, (8003), 1039 states have call predecessors, (8003), 1030 states have return successors, (8242), 7740 states have call predecessors, (8242), 8002 states have call successors, (8242) [2025-01-09 19:17:58,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31171 states to 31171 states and 45887 transitions. [2025-01-09 19:17:58,032 INFO L78 Accepts]: Start accepts. Automaton has 31171 states and 45887 transitions. Word has length 192 [2025-01-09 19:17:58,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:17:58,033 INFO L471 AbstractCegarLoop]: Abstraction has 31171 states and 45887 transitions. [2025-01-09 19:17:58,033 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) [2025-01-09 19:17:58,033 INFO L276 IsEmpty]: Start isEmpty. Operand 31171 states and 45887 transitions. [2025-01-09 19:17:58,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2025-01-09 19:17:58,071 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:17:58,072 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] [2025-01-09 19:17:58,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 19:17:58,072 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 19:17:58,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:17:58,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1502164598, now seen corresponding path program 1 times [2025-01-09 19:17:58,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:17:58,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340389820] [2025-01-09 19:17:58,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:17:58,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:18:00,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-01-09 19:18:00,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-01-09 19:18:00,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:18:00,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:18:00,958 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-01-09 19:18:00,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:18:00,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340389820] [2025-01-09 19:18:00,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340389820] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:18:00,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:18:00,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 19:18:00,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825803596] [2025-01-09 19:18:00,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:18:00,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 19:18:00,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:18:00,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 19:18:00,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 19:18:00,960 INFO L87 Difference]: Start difference. First operand 31171 states and 45887 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) [2025-01-09 19:18:02,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:18:02,722 INFO L93 Difference]: Finished difference Result 93501 states and 137823 transitions. [2025-01-09 19:18:02,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 19:18:02,723 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 [2025-01-09 19:18:02,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:18:03,269 INFO L225 Difference]: With dead ends: 93501 [2025-01-09 19:18:03,269 INFO L226 Difference]: Without dead ends: 62362 [2025-01-09 19:18:03,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-09 19:18:03,441 INFO L435 NwaCegarLoop]: 3488 mSDtfsCounter, 3477 mSDsluCounter, 10424 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3478 SdHoareTripleChecker+Valid, 13912 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 19:18:03,442 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3478 Valid, 13912 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 19:18:03,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62362 states. [2025-01-09 19:18:05,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62362 to 62319. [2025-01-09 19:18:05,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62319 states, 44265 states have (on average 1.338529312097594) internal successors, (59250), 45393 states have internal predecessors, (59250), 15993 states have call successors, (15993), 2077 states have call predecessors, (15993), 2060 states have return successors, (16568), 15472 states have call predecessors, (16568), 15992 states have call successors, (16568) [2025-01-09 19:18:06,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62319 states to 62319 states and 91811 transitions. [2025-01-09 19:18:06,203 INFO L78 Accepts]: Start accepts. Automaton has 62319 states and 91811 transitions. Word has length 194 [2025-01-09 19:18:06,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:18:06,203 INFO L471 AbstractCegarLoop]: Abstraction has 62319 states and 91811 transitions. [2025-01-09 19:18:06,204 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) [2025-01-09 19:18:06,204 INFO L276 IsEmpty]: Start isEmpty. Operand 62319 states and 91811 transitions. [2025-01-09 19:18:06,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-01-09 19:18:06,233 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:18:06,233 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] [2025-01-09 19:18:06,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 19:18:06,233 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 19:18:06,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:18:06,234 INFO L85 PathProgramCache]: Analyzing trace with hash 726211983, now seen corresponding path program 1 times [2025-01-09 19:18:06,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:18:06,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349176739] [2025-01-09 19:18:06,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:18:06,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:18:08,949 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-01-09 19:18:08,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-01-09 19:18:08,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:18:08,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:18:09,450 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-01-09 19:18:09,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:18:09,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349176739] [2025-01-09 19:18:09,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349176739] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:18:09,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:18:09,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 19:18:09,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279331104] [2025-01-09 19:18:09,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:18:09,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 19:18:09,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:18:09,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 19:18:09,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 19:18:09,451 INFO L87 Difference]: Start difference. First operand 62319 states and 91811 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) [2025-01-09 19:18:14,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:18:14,406 INFO L93 Difference]: Finished difference Result 186083 states and 274409 transitions. [2025-01-09 19:18:14,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 19:18:14,408 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 [2025-01-09 19:18:14,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:18:15,533 INFO L225 Difference]: With dead ends: 186083 [2025-01-09 19:18:15,533 INFO L226 Difference]: Without dead ends: 123796 [2025-01-09 19:18:15,895 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-09 19:18:15,896 INFO L435 NwaCegarLoop]: 3488 mSDtfsCounter, 3478 mSDsluCounter, 10424 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3479 SdHoareTripleChecker+Valid, 13912 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 19:18:15,897 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3479 Valid, 13912 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 19:18:15,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123796 states. [2025-01-09 19:18:20,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123796 to 123715. [2025-01-09 19:18:20,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123715 states, 87829 states have (on average 1.3372576256134079) internal successors, (117450), 90061 states have internal predecessors, (117450), 31783 states have call successors, (31783), 4133 states have call predecessors, (31783), 4102 states have return successors, (33098), 30754 states have call predecessors, (33098), 31782 states have call successors, (33098) [2025-01-09 19:18:21,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123715 states to 123715 states and 182331 transitions. [2025-01-09 19:18:21,729 INFO L78 Accepts]: Start accepts. Automaton has 123715 states and 182331 transitions. Word has length 195 [2025-01-09 19:18:21,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:18:21,729 INFO L471 AbstractCegarLoop]: Abstraction has 123715 states and 182331 transitions. [2025-01-09 19:18:21,730 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) [2025-01-09 19:18:21,730 INFO L276 IsEmpty]: Start isEmpty. Operand 123715 states and 182331 transitions. [2025-01-09 19:18:21,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2025-01-09 19:18:21,760 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:18:21,760 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, 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] [2025-01-09 19:18:21,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-09 19:18:21,761 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 19:18:21,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:18:21,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1338367718, now seen corresponding path program 1 times [2025-01-09 19:18:21,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:18:21,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511358932] [2025-01-09 19:18:21,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:18:21,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:18:24,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-01-09 19:18:24,708 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-01-09 19:18:24,708 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:18:24,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:18:25,570 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2025-01-09 19:18:25,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:18:25,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511358932] [2025-01-09 19:18:25,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511358932] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 19:18:25,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50978983] [2025-01-09 19:18:25,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:18:25,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 19:18:25,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 19:18:25,577 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 19:18:25,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 19:18:28,745 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-01-09 19:18:29,046 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-01-09 19:18:29,046 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:18:29,046 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:18:29,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 3209 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 19:18:29,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 19:18:29,207 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2025-01-09 19:18:29,207 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 19:18:29,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50978983] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:18:29,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 19:18:29,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2025-01-09 19:18:29,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001896983] [2025-01-09 19:18:29,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:18:29,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:18:29,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:18:29,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:18:29,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-01-09 19:18:29,209 INFO L87 Difference]: Start difference. First operand 123715 states and 182331 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21)