./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 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 66b2f104726c03e3846e38f6b09c6a45d6c8d058156e96895db9342600740310 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 04:44:38,006 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 04:44:38,069 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 04:44:38,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 04:44:38,076 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 04:44:38,094 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 04:44:38,094 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 04:44:38,094 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 04:44:38,095 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 04:44:38,095 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 04:44:38,096 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 04:44:38,096 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 04:44:38,096 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 04:44:38,096 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 04:44:38,097 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 04:44:38,097 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 04:44:38,097 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 04:44:38,097 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 04:44:38,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 04:44:38,097 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 04:44:38,097 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 04:44:38,098 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 04:44:38,098 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 04:44:38,098 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 04:44:38,098 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 04:44:38,098 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 04:44:38,098 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 04:44:38,098 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 04:44:38,098 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 04:44:38,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 04:44:38,099 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 04:44:38,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 04:44:38,099 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 04:44:38,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 04:44:38,099 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 04:44:38,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 04:44:38,099 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 04:44:38,099 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 04:44:38,100 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 04:44:38,100 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 04:44:38,100 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66b2f104726c03e3846e38f6b09c6a45d6c8d058156e96895db9342600740310 [2025-03-04 04:44:38,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 04:44:38,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 04:44:38,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 04:44:38,373 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 04:44:38,373 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 04:44:38,375 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i [2025-03-04 04:44:39,486 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c537d0268/9799fef3c0a043059d64babfd002e121/FLAG8b2b51b9f [2025-03-04 04:44:39,905 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 04:44:39,906 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i [2025-03-04 04:44:39,943 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c537d0268/9799fef3c0a043059d64babfd002e121/FLAG8b2b51b9f [2025-03-04 04:44:40,051 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c537d0268/9799fef3c0a043059d64babfd002e121 [2025-03-04 04:44:40,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 04:44:40,053 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 04:44:40,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 04:44:40,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 04:44:40,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 04:44:40,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:44:40" (1/1) ... [2025-03-04 04:44:40,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5caa4bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:40, skipping insertion in model container [2025-03-04 04:44:40,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:44:40" (1/1) ... [2025-03-04 04:44:40,132 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 04:44:41,304 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i[287455,287468] [2025-03-04 04:44:41,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 04:44:41,403 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 04:44:41,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5924] [2025-03-04 04:44:41,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5932] [2025-03-04 04:44:41,557 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] [2025-03-04 04:44:41,557 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] [2025-03-04 04:44:41,558 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [7040] [2025-03-04 04:44:41,881 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i[287455,287468] [2025-03-04 04:44:41,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 04:44:41,969 INFO L204 MainTranslator]: Completed translation [2025-03-04 04:44:41,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:41 WrapperNode [2025-03-04 04:44:41,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 04:44:41,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 04:44:41,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 04:44:41,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 04:44:41,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:41" (1/1) ... [2025-03-04 04:44:42,032 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:41" (1/1) ... [2025-03-04 04:44:42,206 INFO L138 Inliner]: procedures = 273, calls = 2182, calls flagged for inlining = 123, calls inlined = 120, statements flattened = 5426 [2025-03-04 04:44:42,206 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 04:44:42,207 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 04:44:42,207 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 04:44:42,207 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 04:44:42,215 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:41" (1/1) ... [2025-03-04 04:44:42,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:41" (1/1) ... [2025-03-04 04:44:42,246 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:41" (1/1) ... [2025-03-04 04:44:42,690 INFO L175 MemorySlicer]: Split 1187 memory accesses to 6 slices as follows [6, 2, 4, 4, 43, 1128]. 95 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [0, 2, 4, 4, 0, 4]. The 527 writes are split as follows [1, 0, 0, 0, 43, 483]. [2025-03-04 04:44:42,691 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:41" (1/1) ... [2025-03-04 04:44:42,691 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:41" (1/1) ... [2025-03-04 04:44:42,765 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:41" (1/1) ... [2025-03-04 04:44:42,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:41" (1/1) ... [2025-03-04 04:44:42,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:41" (1/1) ... [2025-03-04 04:44:42,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:41" (1/1) ... [2025-03-04 04:44:42,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 04:44:42,867 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 04:44:42,867 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 04:44:42,867 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 04:44:42,868 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:41" (1/1) ... [2025-03-04 04:44:42,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 04:44:42,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 04:44:42,895 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 04:44:42,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 04:44:42,918 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2025-03-04 04:44:42,919 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2025-03-04 04:44:42,919 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2025-03-04 04:44:42,919 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2025-03-04 04:44:42,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-04 04:44:42,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-04 04:44:42,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-04 04:44:42,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-04 04:44:42,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-04 04:44:42,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-04 04:44:42,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 04:44:42,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 04:44:42,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 04:44:42,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 04:44:42,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 04:44:42,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 04:44:42,920 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2025-03-04 04:44:42,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2025-03-04 04:44:42,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-04 04:44:42,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-04 04:44:42,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-03-04 04:44:42,920 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-03-04 04:44:42,920 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2025-03-04 04:44:42,920 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2025-03-04 04:44:42,920 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2025-03-04 04:44:42,920 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2025-03-04 04:44:42,920 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2025-03-04 04:44:42,920 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2025-03-04 04:44:42,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2025-03-04 04:44:42,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2025-03-04 04:44:42,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-04 04:44:42,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-04 04:44:42,920 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2025-03-04 04:44:42,920 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2025-03-04 04:44:42,920 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2025-03-04 04:44:42,920 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2025-03-04 04:44:42,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-04 04:44:42,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-04 04:44:42,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 04:44:42,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 04:44:42,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-04 04:44:42,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-04 04:44:42,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-04 04:44:42,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-04 04:44:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 04:44:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 04:44:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-04 04:44:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-04 04:44:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-04 04:44:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-04 04:44:42,921 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 04:44:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 04:44:42,921 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2025-03-04 04:44:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2025-03-04 04:44:42,921 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-03-04 04:44:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-03-04 04:44:42,921 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2025-03-04 04:44:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2025-03-04 04:44:42,921 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2025-03-04 04:44:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2025-03-04 04:44:42,921 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2025-03-04 04:44:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2025-03-04 04:44:42,921 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2025-03-04 04:44:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2025-03-04 04:44:42,921 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2025-03-04 04:44:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2025-03-04 04:44:42,921 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2025-03-04 04:44:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2025-03-04 04:44:42,921 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2025-03-04 04:44:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2025-03-04 04:44:42,921 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_get_stats [2025-03-04 04:44:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_get_stats [2025-03-04 04:44:42,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 04:44:42,921 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2025-03-04 04:44:42,921 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2025-03-04 04:44:42,922 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2025-03-04 04:44:42,924 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2025-03-04 04:44:42,924 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2025-03-04 04:44:42,924 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2025-03-04 04:44:42,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 04:44:42,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 04:44:42,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 04:44:42,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 04:44:42,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 04:44:42,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 04:44:42,925 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2025-03-04 04:44:42,925 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2025-03-04 04:44:42,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2025-03-04 04:44:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2025-03-04 04:44:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-03-04 04:44:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-03-04 04:44:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2025-03-04 04:44:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2025-03-04 04:44:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 04:44:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2025-03-04 04:44:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2025-03-04 04:44:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-04 04:44:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-04 04:44:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2025-03-04 04:44:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2025-03-04 04:44:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2025-03-04 04:44:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2025-03-04 04:44:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2025-03-04 04:44:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2025-03-04 04:44:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2025-03-04 04:44:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2025-03-04 04:44:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-03-04 04:44:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-03-04 04:44:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2025-03-04 04:44:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2025-03-04 04:44:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2025-03-04 04:44:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2025-03-04 04:44:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2025-03-04 04:44:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2025-03-04 04:44:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2025-03-04 04:44:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2025-03-04 04:44:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-04 04:44:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-04 04:44:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-04 04:44:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-04 04:44:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-04 04:44:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-04 04:44:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 04:44:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 04:44:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 04:44:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 04:44:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 04:44:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 04:44:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2025-03-04 04:44:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2025-03-04 04:44:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 04:44:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 04:44:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 04:44:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 04:44:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 04:44:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 04:44:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-03-04 04:44:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-03-04 04:44:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2025-03-04 04:44:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2025-03-04 04:44:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2025-03-04 04:44:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2025-03-04 04:44:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-04 04:44:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-04 04:44:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2025-03-04 04:44:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2025-03-04 04:44:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2025-03-04 04:44:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2025-03-04 04:44:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 04:44:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 04:44:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 04:44:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 04:44:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 04:44:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 04:44:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2025-03-04 04:44:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2025-03-04 04:44:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2025-03-04 04:44:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2025-03-04 04:44:42,927 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2025-03-04 04:44:42,927 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2025-03-04 04:44:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-04 04:44:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-04 04:44:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2025-03-04 04:44:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2025-03-04 04:44:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ioctl [2025-03-04 04:44:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ioctl [2025-03-04 04:44:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2025-03-04 04:44:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2025-03-04 04:44:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2025-03-04 04:44:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2025-03-04 04:44:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2025-03-04 04:44:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2025-03-04 04:44:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2025-03-04 04:44:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2025-03-04 04:44:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 04:44:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2025-03-04 04:44:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2025-03-04 04:44:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2025-03-04 04:44:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2025-03-04 04:44:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 04:44:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-03-04 04:44:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-03-04 04:44:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 04:44:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 04:44:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 04:44:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 04:44:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 04:44:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 04:44:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2025-03-04 04:44:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2025-03-04 04:44:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2025-03-04 04:44:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2025-03-04 04:44:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2025-03-04 04:44:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2025-03-04 04:44:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-04 04:44:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-04 04:44:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2025-03-04 04:44:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2025-03-04 04:44:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2025-03-04 04:44:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2025-03-04 04:44:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2025-03-04 04:44:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2025-03-04 04:44:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2025-03-04 04:44:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2025-03-04 04:44:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2025-03-04 04:44:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2025-03-04 04:44:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 04:44:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 04:44:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 04:44:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 04:44:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 04:44:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 04:44:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2025-03-04 04:44:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2025-03-04 04:44:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2025-03-04 04:44:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2025-03-04 04:44:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2025-03-04 04:44:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2025-03-04 04:44:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2025-03-04 04:44:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2025-03-04 04:44:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 04:44:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 04:44:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2025-03-04 04:44:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2025-03-04 04:44:43,495 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 04:44:43,498 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 04:44:43,748 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10219: havoc request_threaded_irq_#t~nondet1388#1; [2025-03-04 04:44:43,781 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-04 04:44:44,019 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7241: havoc skb_is_nonlinear_#t~mem515#1; [2025-03-04 04:44:44,019 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7256: havoc skb_tailroom_#t~ite523#1;havoc skb_tailroom_#t~mem521#1;havoc skb_tailroom_#t~mem522#1; [2025-03-04 04:44:44,131 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10098: havoc _copy_to_user_#t~nondet1370#1; [2025-03-04 04:44:44,648 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10145: havoc hdlc_ioctl_#t~nondet1376#1; [2025-03-04 04:44:44,649 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7417: call ULTIMATE.dealloc(~#ctl~0#1.base, ~#ctl~0#1.offset);havoc ~#ctl~0#1.base, ~#ctl~0#1.offset;call ULTIMATE.dealloc(~#new_type~0#1.base, ~#new_type~0#1.offset);havoc ~#new_type~0#1.base, ~#new_type~0#1.offset;call ULTIMATE.dealloc(~#xc~0#1.base, ~#xc~0#1.offset);havoc ~#xc~0#1.base, ~#xc~0#1.offset; [2025-03-04 04:44:44,688 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10087: havoc __phys_addr_#t~nondet1368#1; [2025-03-04 04:44:44,926 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10138: havoc #t~nondet1375; [2025-03-04 04:44:44,948 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10094: havoc _copy_from_user_#t~nondet1369#1; [2025-03-04 04:44:44,996 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8729: havoc #t~mem1070.base, #t~mem1070.offset; [2025-03-04 04:44:45,000 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7391: havoc #t~mem550.base, #t~mem550.offset; [2025-03-04 04:44:45,032 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10128: havoc dev_trans_start_#t~nondet1374#1; [2025-03-04 04:44:45,572 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10184: havoc netif_rx_#t~nondet1383#1; [2025-03-04 04:44:45,777 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10211: havoc #t~nondet1386; [2025-03-04 04:44:45,779 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10117: havoc #t~nondet1372; [2025-03-04 04:44:45,789 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10149: havoc hdlc_open_#t~nondet1377#1; [2025-03-04 04:44:45,837 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7300: havoc #t~mem530.base, #t~mem530.offset; [2025-03-04 04:44:45,848 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7192: havoc dev_get_drvdata_#t~mem501#1.base, dev_get_drvdata_#t~mem501#1.offset; [2025-03-04 04:44:46,103 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10124: havoc del_timer_#t~nondet1373#1; [2025-03-04 04:44:46,106 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7247: havoc #t~mem516.base, #t~mem516.offset;havoc #t~mem517; [2025-03-04 04:44:51,422 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8062: call ULTIMATE.dealloc(lmc_init_one_~#__key~0#1.base, lmc_init_one_~#__key~0#1.offset);havoc lmc_init_one_~#__key~0#1.base, lmc_init_one_~#__key~0#1.offset; [2025-03-04 04:44:51,423 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10194: havoc pci_enable_device_#t~nondet1384#1; [2025-03-04 04:44:51,423 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10113: havoc alloc_hdlcdev_#t~ret1371#1.base, alloc_hdlcdev_#t~ret1371#1.offset; [2025-03-04 04:44:51,423 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10163: havoc ldv_ndo_init_4_#t~nondet1379#1; [2025-03-04 04:44:51,423 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9304: call ULTIMATE.dealloc(main_~#ldvarg1~0#1.base, main_~#ldvarg1~0#1.offset);havoc main_~#ldvarg1~0#1.base, main_~#ldvarg1~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset);havoc main_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset; [2025-03-04 04:44:51,423 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10083: havoc __pci_register_driver_#t~nondet1367#1; [2025-03-04 04:44:51,423 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10215: havoc register_netdev_#t~nondet1387#1; [2025-03-04 04:44:51,423 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10167: havoc ldv_ndo_uninit_4_#t~nondet1380#1; [2025-03-04 04:44:51,423 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10201: havoc pci_request_regions_#t~nondet1385#1; [2025-03-04 04:44:51,423 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10153: havoc hdlc_start_xmit_#t~nondet1378#1; [2025-03-04 04:44:51,423 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10171: havoc ldv_shutdown_3_#t~nondet1381#1; [2025-03-04 04:44:51,960 INFO L? ?]: Removed 1970 outVars from TransFormulas that were not future-live. [2025-03-04 04:44:51,960 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 04:44:52,074 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 04:44:52,078 INFO L336 CfgBuilder]: Removed 5 assume(true) statements. [2025-03-04 04:44:52,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:44:52 BoogieIcfgContainer [2025-03-04 04:44:52,079 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 04:44:52,080 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 04:44:52,080 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 04:44:52,084 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 04:44:52,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 04:44:40" (1/3) ... [2025-03-04 04:44:52,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b1a53e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:44:52, skipping insertion in model container [2025-03-04 04:44:52,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:44:41" (2/3) ... [2025-03-04 04:44:52,086 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b1a53e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:44:52, skipping insertion in model container [2025-03-04 04:44:52,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:44:52" (3/3) ... [2025-03-04 04:44:52,087 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i [2025-03-04 04:44:52,101 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 04:44:52,104 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. [2025-03-04 04:44:52,186 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 04:44:52,197 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;@b9b03e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 04:44:52,197 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 04:44:52,207 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) [2025-03-04 04:44:52,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-03-04 04:44:52,219 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:44:52,220 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] [2025-03-04 04:44:52,220 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:44:52,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:44:52,224 INFO L85 PathProgramCache]: Analyzing trace with hash -978336806, now seen corresponding path program 1 times [2025-03-04 04:44:52,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:44:52,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450087675] [2025-03-04 04:44:52,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:44:52,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:44:55,088 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-04 04:44:55,298 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-04 04:44:55,298 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:44:55,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:44:55,576 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-03-04 04:44:55,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:44:55,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450087675] [2025-03-04 04:44:55,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450087675] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 04:44:55,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213206883] [2025-03-04 04:44:55,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:44:55,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 04:44:55,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 04:44:55,580 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 04:44:55,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 04:44:58,572 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-04 04:44:58,828 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-04 04:44:58,829 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:44:58,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:44:58,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 2685 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 04:44:58,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 04:44:58,854 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2025-03-04 04:44:58,857 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 04:44:58,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213206883] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:44:58,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 04:44:58,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-04 04:44:58,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116573786] [2025-03-04 04:44:58,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:44:58,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 04:44:58,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:44:58,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 04:44:58,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 04:44:58,883 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) [2025-03-04 04:45:00,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:45:00,032 INFO L93 Difference]: Finished difference Result 4785 states and 7394 transitions. [2025-03-04 04:45:00,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 04:45:00,034 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 [2025-03-04 04:45:00,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:45:00,070 INFO L225 Difference]: With dead ends: 4785 [2025-03-04 04:45:00,071 INFO L226 Difference]: Without dead ends: 2378 [2025-03-04 04:45:00,100 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 [2025-03-04 04:45:00,103 INFO L435 NwaCegarLoop]: 3380 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3380 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-04 04:45:00,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3380 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-04 04:45:00,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2378 states. [2025-03-04 04:45:00,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2378 to 2378. [2025-03-04 04:45:00,255 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) [2025-03-04 04:45:00,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2378 states to 2378 states and 3491 transitions. [2025-03-04 04:45:00,286 INFO L78 Accepts]: Start accepts. Automaton has 2378 states and 3491 transitions. Word has length 93 [2025-03-04 04:45:00,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:45:00,286 INFO L471 AbstractCegarLoop]: Abstraction has 2378 states and 3491 transitions. [2025-03-04 04:45:00,287 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) [2025-03-04 04:45:00,287 INFO L276 IsEmpty]: Start isEmpty. Operand 2378 states and 3491 transitions. [2025-03-04 04:45:00,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-03-04 04:45:00,294 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:45:00,294 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] [2025-03-04 04:45:00,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 04:45:00,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-04 04:45:00,495 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:45:00,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:45:00,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1346001975, now seen corresponding path program 1 times [2025-03-04 04:45:00,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:45:00,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920892736] [2025-03-04 04:45:00,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:45:00,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:45:03,081 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-04 04:45:03,149 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-04 04:45:03,153 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:45:03,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:45:03,411 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2025-03-04 04:45:03,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:45:03,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920892736] [2025-03-04 04:45:03,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920892736] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:45:03,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:45:03,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:45:03,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076977060] [2025-03-04 04:45:03,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:45:03,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:45:03,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:45:03,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:45:03,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:45:03,413 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) [2025-03-04 04:45:05,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:45:05,883 INFO L93 Difference]: Finished difference Result 6981 states and 10257 transitions. [2025-03-04 04:45:05,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:45:05,884 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 [2025-03-04 04:45:05,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:45:05,957 INFO L225 Difference]: With dead ends: 6981 [2025-03-04 04:45:05,957 INFO L226 Difference]: Without dead ends: 4625 [2025-03-04 04:45:05,979 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:45:05,979 INFO L435 NwaCegarLoop]: 3728 mSDtfsCounter, 3320 mSDsluCounter, 3319 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3320 SdHoareTripleChecker+Valid, 7047 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2025-03-04 04:45:05,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3320 Valid, 7047 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-03-04 04:45:05,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4625 states. [2025-03-04 04:45:06,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4625 to 4621. [2025-03-04 04:45:06,119 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) [2025-03-04 04:45:06,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4621 states to 4621 states and 6789 transitions. [2025-03-04 04:45:06,146 INFO L78 Accepts]: Start accepts. Automaton has 4621 states and 6789 transitions. Word has length 93 [2025-03-04 04:45:06,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:45:06,147 INFO L471 AbstractCegarLoop]: Abstraction has 4621 states and 6789 transitions. [2025-03-04 04:45:06,147 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) [2025-03-04 04:45:06,147 INFO L276 IsEmpty]: Start isEmpty. Operand 4621 states and 6789 transitions. [2025-03-04 04:45:06,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-03-04 04:45:06,152 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:45:06,153 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] [2025-03-04 04:45:06,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 04:45:06,153 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:45:06,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:45:06,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1456345278, now seen corresponding path program 1 times [2025-03-04 04:45:06,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:45:06,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269299638] [2025-03-04 04:45:06,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:45:06,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:45:08,619 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-03-04 04:45:08,691 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-03-04 04:45:08,691 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:45:08,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:45:08,928 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2025-03-04 04:45:08,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:45:08,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269299638] [2025-03-04 04:45:08,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269299638] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:45:08,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:45:08,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:45:08,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452418681] [2025-03-04 04:45:08,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:45:08,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:45:08,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:45:08,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:45:08,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:45:08,930 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) [2025-03-04 04:45:11,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:45:11,064 INFO L93 Difference]: Finished difference Result 4626 states and 6795 transitions. [2025-03-04 04:45:11,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:45:11,065 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 [2025-03-04 04:45:11,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:45:11,105 INFO L225 Difference]: With dead ends: 4626 [2025-03-04 04:45:11,105 INFO L226 Difference]: Without dead ends: 4623 [2025-03-04 04:45:11,114 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:45:11,116 INFO L435 NwaCegarLoop]: 3357 mSDtfsCounter, 0 mSDsluCounter, 3352 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6709 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-03-04 04:45:11,116 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6709 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-03-04 04:45:11,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4623 states. [2025-03-04 04:45:11,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4623 to 4623. [2025-03-04 04:45:11,250 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) [2025-03-04 04:45:11,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4623 states to 4623 states and 6791 transitions. [2025-03-04 04:45:11,276 INFO L78 Accepts]: Start accepts. Automaton has 4623 states and 6791 transitions. Word has length 123 [2025-03-04 04:45:11,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:45:11,278 INFO L471 AbstractCegarLoop]: Abstraction has 4623 states and 6791 transitions. [2025-03-04 04:45:11,278 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) [2025-03-04 04:45:11,278 INFO L276 IsEmpty]: Start isEmpty. Operand 4623 states and 6791 transitions. [2025-03-04 04:45:11,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-03-04 04:45:11,286 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:45:11,286 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] [2025-03-04 04:45:11,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 04:45:11,287 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:45:11,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:45:11,287 INFO L85 PathProgramCache]: Analyzing trace with hash 483409764, now seen corresponding path program 1 times [2025-03-04 04:45:11,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:45:11,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859463483] [2025-03-04 04:45:11,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:45:11,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:45:13,764 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-04 04:45:13,820 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-04 04:45:13,821 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:45:13,821 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:45:14,294 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2025-03-04 04:45:14,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:45:14,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859463483] [2025-03-04 04:45:14,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859463483] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:45:14,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:45:14,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 04:45:14,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642826411] [2025-03-04 04:45:14,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:45:14,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 04:45:14,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:45:14,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 04:45:14,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 04:45:14,295 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) [2025-03-04 04:45:18,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:45:18,119 INFO L93 Difference]: Finished difference Result 12445 states and 18377 transitions. [2025-03-04 04:45:18,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 04:45:18,119 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 [2025-03-04 04:45:18,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:45:18,203 INFO L225 Difference]: With dead ends: 12445 [2025-03-04 04:45:18,203 INFO L226 Difference]: Without dead ends: 7854 [2025-03-04 04:45:18,243 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 [2025-03-04 04:45:18,244 INFO L435 NwaCegarLoop]: 4682 mSDtfsCounter, 2977 mSDsluCounter, 7380 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2977 SdHoareTripleChecker+Valid, 12062 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2025-03-04 04:45:18,245 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2977 Valid, 12062 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2025-03-04 04:45:18,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7854 states. [2025-03-04 04:45:18,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7854 to 7826. [2025-03-04 04:45:18,465 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) [2025-03-04 04:45:18,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7826 states to 7826 states and 11489 transitions. [2025-03-04 04:45:18,516 INFO L78 Accepts]: Start accepts. Automaton has 7826 states and 11489 transitions. Word has length 125 [2025-03-04 04:45:18,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:45:18,517 INFO L471 AbstractCegarLoop]: Abstraction has 7826 states and 11489 transitions. [2025-03-04 04:45:18,517 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) [2025-03-04 04:45:18,517 INFO L276 IsEmpty]: Start isEmpty. Operand 7826 states and 11489 transitions. [2025-03-04 04:45:18,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-03-04 04:45:18,541 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:45:18,541 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] [2025-03-04 04:45:18,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 04:45:18,541 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:45:18,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:45:18,542 INFO L85 PathProgramCache]: Analyzing trace with hash -506295315, now seen corresponding path program 1 times [2025-03-04 04:45:18,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:45:18,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491917555] [2025-03-04 04:45:18,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:45:18,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:45:21,296 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-04 04:45:21,367 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-04 04:45:21,367 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:45:21,367 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:45:22,093 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-03-04 04:45:22,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:45:22,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491917555] [2025-03-04 04:45:22,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491917555] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:45:22,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:45:22,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 04:45:22,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866951491] [2025-03-04 04:45:22,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:45:22,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 04:45:22,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:45:22,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 04:45:22,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 04:45:22,100 INFO L87 Difference]: Start difference. First operand 7826 states and 11489 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) [2025-03-04 04:45:27,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:45:27,654 INFO L93 Difference]: Finished difference Result 23412 states and 34453 transitions. [2025-03-04 04:45:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 04:45:27,655 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 [2025-03-04 04:45:27,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:45:27,827 INFO L225 Difference]: With dead ends: 23412 [2025-03-04 04:45:27,827 INFO L226 Difference]: Without dead ends: 15618 [2025-03-04 04:45:27,888 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 [2025-03-04 04:45:27,889 INFO L435 NwaCegarLoop]: 3900 mSDtfsCounter, 3474 mSDsluCounter, 11119 mSDsCounter, 0 mSdLazyCounter, 672 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3475 SdHoareTripleChecker+Valid, 15019 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2025-03-04 04:45:27,890 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3475 Valid, 15019 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 672 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2025-03-04 04:45:27,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15618 states. [2025-03-04 04:45:28,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15618 to 15603. [2025-03-04 04:45:28,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15603 states, 11079 states have (on average 1.3396515931040707) internal successors, (14842), 11363 states have internal predecessors, (14842), 4007 states have call successors, (4007), 521 states have call predecessors, (4007), 516 states have return successors, (4096), 3874 states have call predecessors, (4096), 4006 states have call successors, (4096) [2025-03-04 04:45:28,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15603 states to 15603 states and 22945 transitions. [2025-03-04 04:45:28,549 INFO L78 Accepts]: Start accepts. Automaton has 15603 states and 22945 transitions. Word has length 192 [2025-03-04 04:45:28,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:45:28,550 INFO L471 AbstractCegarLoop]: Abstraction has 15603 states and 22945 transitions. [2025-03-04 04:45:28,551 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) [2025-03-04 04:45:28,552 INFO L276 IsEmpty]: Start isEmpty. Operand 15603 states and 22945 transitions. [2025-03-04 04:45:28,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2025-03-04 04:45:28,589 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:45:28,590 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] [2025-03-04 04:45:28,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 04:45:28,590 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:45:28,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:45:28,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1941215638, now seen corresponding path program 1 times [2025-03-04 04:45:28,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:45:28,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433862719] [2025-03-04 04:45:28,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:45:28,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:45:31,319 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-03-04 04:45:31,379 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-03-04 04:45:31,380 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:45:31,380 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:45:31,945 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-03-04 04:45:31,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:45:31,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433862719] [2025-03-04 04:45:31,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433862719] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:45:31,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:45:31,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 04:45:31,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131465065] [2025-03-04 04:45:31,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:45:31,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 04:45:31,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:45:31,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 04:45:31,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 04:45:31,946 INFO L87 Difference]: Start difference. First operand 15603 states and 22945 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) [2025-03-04 04:45:37,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:45:37,686 INFO L93 Difference]: Finished difference Result 46769 states and 68893 transitions. [2025-03-04 04:45:37,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 04:45:37,687 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 [2025-03-04 04:45:37,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:45:38,119 INFO L225 Difference]: With dead ends: 46769 [2025-03-04 04:45:38,119 INFO L226 Difference]: Without dead ends: 31198 [2025-03-04 04:45:38,321 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 [2025-03-04 04:45:38,322 INFO L435 NwaCegarLoop]: 3414 mSDtfsCounter, 3477 mSDsluCounter, 10143 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3478 SdHoareTripleChecker+Valid, 13557 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-03-04 04:45:38,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3478 Valid, 13557 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2025-03-04 04:45:38,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31198 states. [2025-03-04 04:45:39,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31198 to 31175. [2025-03-04 04:45:39,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31175 states, 22141 states have (on average 1.339144573415835) internal successors, (29650), 22707 states have internal predecessors, (29650), 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) [2025-03-04 04:45:39,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31175 states to 31175 states and 45895 transitions. [2025-03-04 04:45:39,789 INFO L78 Accepts]: Start accepts. Automaton has 31175 states and 45895 transitions. Word has length 194 [2025-03-04 04:45:39,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:45:39,790 INFO L471 AbstractCegarLoop]: Abstraction has 31175 states and 45895 transitions. [2025-03-04 04:45:39,790 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) [2025-03-04 04:45:39,790 INFO L276 IsEmpty]: Start isEmpty. Operand 31175 states and 45895 transitions. [2025-03-04 04:45:39,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-03-04 04:45:39,832 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:45:39,832 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] [2025-03-04 04:45:39,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 04:45:39,833 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:45:39,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:45:39,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1761853402, now seen corresponding path program 1 times [2025-03-04 04:45:39,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:45:39,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753953446] [2025-03-04 04:45:39,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:45:39,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:45:42,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-03-04 04:45:42,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-03-04 04:45:42,944 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:45:42,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:45:43,421 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-03-04 04:45:43,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:45:43,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753953446] [2025-03-04 04:45:43,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753953446] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:45:43,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:45:43,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 04:45:43,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547893748] [2025-03-04 04:45:43,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:45:43,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 04:45:43,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:45:43,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 04:45:43,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 04:45:43,423 INFO L87 Difference]: Start difference. First operand 31175 states and 45895 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) [2025-03-04 04:45:49,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:45:49,643 INFO L93 Difference]: Finished difference Result 93517 states and 137855 transitions. [2025-03-04 04:45:49,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 04:45:49,644 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 [2025-03-04 04:45:49,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:45:50,475 INFO L225 Difference]: With dead ends: 93517 [2025-03-04 04:45:50,475 INFO L226 Difference]: Without dead ends: 62374 [2025-03-04 04:45:50,803 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 [2025-03-04 04:45:50,803 INFO L435 NwaCegarLoop]: 3355 mSDtfsCounter, 3478 mSDsluCounter, 10025 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3479 SdHoareTripleChecker+Valid, 13380 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-03-04 04:45:50,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3479 Valid, 13380 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2025-03-04 04:45:50,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62374 states. [2025-03-04 04:45:52,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62374 to 62331. [2025-03-04 04:45:52,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62331 states, 44277 states have (on average 1.338708584592452) internal successors, (59274), 45405 states have internal predecessors, (59274), 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) [2025-03-04 04:45:53,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62331 states to 62331 states and 91835 transitions. [2025-03-04 04:45:53,491 INFO L78 Accepts]: Start accepts. Automaton has 62331 states and 91835 transitions. Word has length 195 [2025-03-04 04:45:53,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:45:53,492 INFO L471 AbstractCegarLoop]: Abstraction has 62331 states and 91835 transitions. [2025-03-04 04:45:53,492 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) [2025-03-04 04:45:53,492 INFO L276 IsEmpty]: Start isEmpty. Operand 62331 states and 91835 transitions. [2025-03-04 04:45:53,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2025-03-04 04:45:53,518 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:45:53,519 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] [2025-03-04 04:45:53,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-04 04:45:53,519 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:45:53,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:45:53,519 INFO L85 PathProgramCache]: Analyzing trace with hash 534535433, now seen corresponding path program 1 times [2025-03-04 04:45:53,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:45:53,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975583478] [2025-03-04 04:45:53,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:45:53,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:45:57,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes. [2025-03-04 04:45:57,525 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements. [2025-03-04 04:45:57,525 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:45:57,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:45:57,985 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-03-04 04:45:57,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:45:57,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975583478] [2025-03-04 04:45:57,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975583478] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:45:57,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:45:57,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 04:45:57,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555927860] [2025-03-04 04:45:57,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:45:57,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 04:45:57,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:45:57,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 04:45:57,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 04:45:57,986 INFO L87 Difference]: Start difference. First operand 62331 states and 91835 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)