./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 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-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 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 03:57:46,165 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 03:57:46,267 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 03:57:46,272 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 03:57:46,272 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 03:57:46,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 03:57:46,302 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 03:57:46,302 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 03:57:46,303 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 03:57:46,305 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 03:57:46,305 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 03:57:46,305 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 03:57:46,306 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 03:57:46,306 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 03:57:46,308 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 03:57:46,308 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 03:57:46,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 03:57:46,309 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 03:57:46,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 03:57:46,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 03:57:46,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 03:57:46,311 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 03:57:46,311 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 03:57:46,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 03:57:46,312 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 03:57:46,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 03:57:46,313 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 03:57:46,313 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 03:57:46,313 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 03:57:46,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:57:46,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 03:57:46,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 03:57:46,314 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 03:57:46,315 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 03:57:46,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 03:57:46,315 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 03:57:46,315 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 03:57:46,315 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 03:57:46,315 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 03:57:46,316 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66b2f104726c03e3846e38f6b09c6a45d6c8d058156e96895db9342600740310 [2024-11-19 03:57:46,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 03:57:46,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 03:57:46,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 03:57:46,596 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 03:57:46,596 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 03:57:46,598 INFO L431 ainManager$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 [2024-11-19 03:57:48,100 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 03:57:48,644 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 03:57:48,645 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 [2024-11-19 03:57:48,706 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8051f042/ec3a5c5f6e62422e85eb28ae6d31be77/FLAGcdbb6b52f [2024-11-19 03:57:48,723 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8051f042/ec3a5c5f6e62422e85eb28ae6d31be77 [2024-11-19 03:57:48,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 03:57:48,727 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 03:57:48,730 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 03:57:48,731 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 03:57:48,736 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 03:57:48,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:48" (1/1) ... [2024-11-19 03:57:48,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@622ff4dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:48, skipping insertion in model container [2024-11-19 03:57:48,738 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:48" (1/1) ... [2024-11-19 03:57:48,872 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 03:57:50,773 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] [2024-11-19 03:57:50,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:57:50,869 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 03:57:50,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5924] [2024-11-19 03:57:50,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5932] [2024-11-19 03:57:51,144 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] [2024-11-19 03:57:51,145 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] [2024-11-19 03:57:51,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [7040] [2024-11-19 03:57:51,515 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] [2024-11-19 03:57:51,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:57:51,660 INFO L204 MainTranslator]: Completed translation [2024-11-19 03:57:51,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:51 WrapperNode [2024-11-19 03:57:51,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 03:57:51,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 03:57:51,663 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 03:57:51,663 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 03:57:51,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:51" (1/1) ... [2024-11-19 03:57:51,760 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:51" (1/1) ... [2024-11-19 03:57:51,931 INFO L138 Inliner]: procedures = 273, calls = 2182, calls flagged for inlining = 123, calls inlined = 120, statements flattened = 5625 [2024-11-19 03:57:51,932 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 03:57:51,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 03:57:51,934 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 03:57:51,934 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 03:57:51,945 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:51" (1/1) ... [2024-11-19 03:57:51,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:51" (1/1) ... [2024-11-19 03:57:51,993 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:51" (1/1) ... [2024-11-19 03:57:52,545 INFO L175 MemorySlicer]: Split 1187 memory accesses to 6 slices as follows [2, 4, 6, 43, 4, 1128]. 95 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 0, 0, 4, 4]. The 527 writes are split as follows [0, 0, 1, 43, 0, 483]. [2024-11-19 03:57:52,546 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:51" (1/1) ... [2024-11-19 03:57:52,547 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:51" (1/1) ... [2024-11-19 03:57:52,662 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:51" (1/1) ... [2024-11-19 03:57:52,695 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:51" (1/1) ... [2024-11-19 03:57:52,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:51" (1/1) ... [2024-11-19 03:57:52,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:51" (1/1) ... [2024-11-19 03:57:52,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 03:57:52,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 03:57:52,780 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 03:57:52,781 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 03:57:52,782 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:51" (1/1) ... [2024-11-19 03:57:52,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:57:52,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:57:52,825 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 03:57:52,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 03:57:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2024-11-19 03:57:52,882 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2024-11-19 03:57:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2024-11-19 03:57:52,882 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2024-11-19 03:57:52,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-19 03:57:52,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-19 03:57:52,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-19 03:57:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-19 03:57:52,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-19 03:57:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-19 03:57:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 03:57:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 03:57:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 03:57:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 03:57:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 03:57:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 03:57:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-19 03:57:52,944 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-19 03:57:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 03:57:52,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 03:57:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-19 03:57:52,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-19 03:57:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2024-11-19 03:57:52,945 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2024-11-19 03:57:52,949 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2024-11-19 03:57:52,949 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2024-11-19 03:57:52,949 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-19 03:57:52,949 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-19 03:57:52,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-19 03:57:52,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-19 03:57:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 03:57:52,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 03:57:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2024-11-19 03:57:52,950 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2024-11-19 03:57:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2024-11-19 03:57:52,950 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2024-11-19 03:57:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-19 03:57:52,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-19 03:57:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 03:57:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 03:57:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 03:57:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-19 03:57:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-19 03:57:52,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-19 03:57:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 03:57:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 03:57:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 03:57:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-19 03:57:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-19 03:57:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-19 03:57:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 03:57:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 03:57:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2024-11-19 03:57:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2024-11-19 03:57:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-19 03:57:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-19 03:57:52,951 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-11-19 03:57:52,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-11-19 03:57:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2024-11-19 03:57:52,952 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2024-11-19 03:57:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2024-11-19 03:57:52,952 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2024-11-19 03:57:52,952 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2024-11-19 03:57:52,952 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2024-11-19 03:57:52,954 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2024-11-19 03:57:52,954 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2024-11-19 03:57:52,954 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2024-11-19 03:57:52,955 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2024-11-19 03:57:52,955 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-19 03:57:52,956 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-19 03:57:52,956 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_get_stats [2024-11-19 03:57:52,957 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_get_stats [2024-11-19 03:57:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 03:57:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2024-11-19 03:57:52,957 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2024-11-19 03:57:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2024-11-19 03:57:52,957 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2024-11-19 03:57:52,958 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2024-11-19 03:57:52,958 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2024-11-19 03:57:52,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 03:57:52,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 03:57:52,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 03:57:52,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 03:57:52,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 03:57:52,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 03:57:52,959 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-19 03:57:52,959 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-19 03:57:52,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-19 03:57:52,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-19 03:57:52,960 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-19 03:57:52,960 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-19 03:57:52,960 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2024-11-19 03:57:52,960 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2024-11-19 03:57:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 03:57:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2024-11-19 03:57:52,961 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2024-11-19 03:57:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-19 03:57:52,961 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-19 03:57:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2024-11-19 03:57:52,961 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2024-11-19 03:57:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-19 03:57:52,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-19 03:57:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-19 03:57:52,962 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-19 03:57:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2024-11-19 03:57:52,962 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2024-11-19 03:57:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-19 03:57:52,962 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-19 03:57:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2024-11-19 03:57:52,963 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2024-11-19 03:57:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2024-11-19 03:57:52,963 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2024-11-19 03:57:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2024-11-19 03:57:52,963 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2024-11-19 03:57:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2024-11-19 03:57:52,963 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2024-11-19 03:57:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-19 03:57:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-19 03:57:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-19 03:57:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-19 03:57:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-19 03:57:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-19 03:57:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 03:57:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 03:57:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 03:57:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 03:57:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 03:57:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 03:57:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2024-11-19 03:57:52,964 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2024-11-19 03:57:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 03:57:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 03:57:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 03:57:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 03:57:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 03:57:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 03:57:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-19 03:57:52,965 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-19 03:57:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2024-11-19 03:57:52,965 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2024-11-19 03:57:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-19 03:57:52,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-19 03:57:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-19 03:57:52,966 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-19 03:57:52,967 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2024-11-19 03:57:52,967 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2024-11-19 03:57:52,969 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2024-11-19 03:57:52,969 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2024-11-19 03:57:52,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 03:57:52,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 03:57:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 03:57:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 03:57:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 03:57:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 03:57:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-19 03:57:52,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-19 03:57:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-19 03:57:52,971 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-19 03:57:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2024-11-19 03:57:52,971 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2024-11-19 03:57:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-19 03:57:52,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-19 03:57:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2024-11-19 03:57:52,971 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2024-11-19 03:57:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ioctl [2024-11-19 03:57:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ioctl [2024-11-19 03:57:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-19 03:57:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-19 03:57:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2024-11-19 03:57:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2024-11-19 03:57:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2024-11-19 03:57:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2024-11-19 03:57:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2024-11-19 03:57:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2024-11-19 03:57:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 03:57:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-19 03:57:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-19 03:57:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-19 03:57:52,972 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-19 03:57:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 03:57:52,972 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-19 03:57:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-19 03:57:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 03:57:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 03:57:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 03:57:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 03:57:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 03:57:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 03:57:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2024-11-19 03:57:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2024-11-19 03:57:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-19 03:57:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-19 03:57:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-11-19 03:57:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-11-19 03:57:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-19 03:57:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-19 03:57:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-19 03:57:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-19 03:57:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2024-11-19 03:57:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2024-11-19 03:57:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-19 03:57:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-19 03:57:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2024-11-19 03:57:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2024-11-19 03:57:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2024-11-19 03:57:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2024-11-19 03:57:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 03:57:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 03:57:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 03:57:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 03:57:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 03:57:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 03:57:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2024-11-19 03:57:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2024-11-19 03:57:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-11-19 03:57:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-11-19 03:57:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2024-11-19 03:57:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2024-11-19 03:57:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2024-11-19 03:57:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2024-11-19 03:57:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 03:57:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 03:57:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2024-11-19 03:57:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2024-11-19 03:57:53,708 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 03:57:53,711 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 03:57:54,066 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 03:58:06,790 INFO L? ?]: Removed 1972 outVars from TransFormulas that were not future-live. [2024-11-19 03:58:06,790 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 03:58:06,854 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 03:58:06,854 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 03:58:06,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:06 BoogieIcfgContainer [2024-11-19 03:58:06,855 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 03:58:06,858 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 03:58:06,858 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 03:58:06,861 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 03:58:06,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:57:48" (1/3) ... [2024-11-19 03:58:06,862 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dde491c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:58:06, skipping insertion in model container [2024-11-19 03:58:06,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:51" (2/3) ... [2024-11-19 03:58:06,863 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dde491c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:58:06, skipping insertion in model container [2024-11-19 03:58:06,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:06" (3/3) ... [2024-11-19 03:58:06,866 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wan--lmc--lmc.ko-entry_point.cil.out.i [2024-11-19 03:58:06,883 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 03:58:06,883 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 03:58:07,016 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 03:58:07,023 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;@1d48ff73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 03:58:07,024 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 03:58:07,039 INFO L276 IsEmpty]: Start isEmpty. Operand has 2414 states, 1711 states have (on average 1.36937463471654) internal successors, (2343), 1759 states have internal predecessors, (2343), 624 states have call successors, (624), 78 states have call predecessors, (624), 77 states have return successors, (618), 603 states have call predecessors, (618), 618 states have call successors, (618) [2024-11-19 03:58:07,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-19 03:58:07,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:58:07,058 INFO L215 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] [2024-11-19 03:58:07,059 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:58:07,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:58:07,064 INFO L85 PathProgramCache]: Analyzing trace with hash 494372470, now seen corresponding path program 1 times [2024-11-19 03:58:07,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:58:07,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501826709] [2024-11-19 03:58:07,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:58:07,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:58:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:58:11,644 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-19 03:58:11,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:58:11,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501826709] [2024-11-19 03:58:11,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501826709] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:58:11,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104803445] [2024-11-19 03:58:11,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:58:11,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:58:11,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:58:11,651 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:58:11,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 03:58:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:58:15,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 2685 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 03:58:15,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:58:15,716 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-19 03:58:15,716 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:58:15,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104803445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:58:15,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:58:15,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 03:58:15,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662333718] [2024-11-19 03:58:15,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:58:15,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 03:58:15,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:58:15,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 03:58:15,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 03:58:15,754 INFO L87 Difference]: Start difference. First operand has 2414 states, 1711 states have (on average 1.36937463471654) internal successors, (2343), 1759 states have internal predecessors, (2343), 624 states have call successors, (624), 78 states have call predecessors, (624), 77 states have return successors, (618), 603 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) [2024-11-19 03:58:16,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:58:16,009 INFO L93 Difference]: Finished difference Result 4823 states and 7432 transitions. [2024-11-19 03:58:16,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 03:58:16,011 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 [2024-11-19 03:58:16,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:58:16,070 INFO L225 Difference]: With dead ends: 4823 [2024-11-19 03:58:16,070 INFO L226 Difference]: Without dead ends: 2397 [2024-11-19 03:58:16,113 INFO L431 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 [2024-11-19 03:58:16,118 INFO L432 NwaCegarLoop]: 3532 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3532 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:58:16,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3532 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:58:16,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2397 states. [2024-11-19 03:58:16,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2397 to 2397. [2024-11-19 03:58:16,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2397 states, 1702 states have (on average 1.336662749706228) internal successors, (2275), 1742 states have internal predecessors, (2275), 618 states have call successors, (618), 77 states have call predecessors, (618), 76 states have return successors, (617), 602 states have call predecessors, (617), 617 states have call successors, (617) [2024-11-19 03:58:16,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2397 states to 2397 states and 3510 transitions. [2024-11-19 03:58:16,378 INFO L78 Accepts]: Start accepts. Automaton has 2397 states and 3510 transitions. Word has length 93 [2024-11-19 03:58:16,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:58:16,379 INFO L471 AbstractCegarLoop]: Abstraction has 2397 states and 3510 transitions. [2024-11-19 03:58:16,379 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) [2024-11-19 03:58:16,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2397 states and 3510 transitions. [2024-11-19 03:58:16,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-19 03:58:16,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:58:16,388 INFO L215 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] [2024-11-19 03:58:16,417 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 03:58:16,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 03:58:16,590 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:58:16,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:58:16,591 INFO L85 PathProgramCache]: Analyzing trace with hash 848082736, now seen corresponding path program 1 times [2024-11-19 03:58:16,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:58:16,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605481021] [2024-11-19 03:58:16,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:58:16,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:58:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:58:20,248 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-19 03:58:20,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:58:20,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605481021] [2024-11-19 03:58:20,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605481021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:58:20,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:58:20,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:58:20,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730104282] [2024-11-19 03:58:20,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:58:20,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:58:20,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:58:20,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:58:20,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:58:20,254 INFO L87 Difference]: Start difference. First operand 2397 states and 3510 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) [2024-11-19 03:58:20,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:58:20,688 INFO L93 Difference]: Finished difference Result 7038 states and 10314 transitions. [2024-11-19 03:58:20,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:58:20,689 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 [2024-11-19 03:58:20,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:58:20,749 INFO L225 Difference]: With dead ends: 7038 [2024-11-19 03:58:20,750 INFO L226 Difference]: Without dead ends: 4663 [2024-11-19 03:58:20,779 INFO L431 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 [2024-11-19 03:58:20,781 INFO L432 NwaCegarLoop]: 4277 mSDtfsCounter, 3339 mSDsluCounter, 3471 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3339 SdHoareTripleChecker+Valid, 7748 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:58:20,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3339 Valid, 7748 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 03:58:20,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4663 states. [2024-11-19 03:58:20,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4663 to 4659. [2024-11-19 03:58:21,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4659 states, 3310 states have (on average 1.3389728096676736) internal successors, (4432), 3388 states have internal predecessors, (4432), 1198 states have call successors, (1198), 151 states have call predecessors, (1198), 150 states have return successors, (1197), 1167 states have call predecessors, (1197), 1197 states have call successors, (1197) [2024-11-19 03:58:21,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4659 states to 4659 states and 6827 transitions. [2024-11-19 03:58:21,058 INFO L78 Accepts]: Start accepts. Automaton has 4659 states and 6827 transitions. Word has length 93 [2024-11-19 03:58:21,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:58:21,059 INFO L471 AbstractCegarLoop]: Abstraction has 4659 states and 6827 transitions. [2024-11-19 03:58:21,059 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) [2024-11-19 03:58:21,059 INFO L276 IsEmpty]: Start isEmpty. Operand 4659 states and 6827 transitions. [2024-11-19 03:58:21,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-19 03:58:21,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:58:21,068 INFO L215 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] [2024-11-19 03:58:21,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 03:58:21,069 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:58:21,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:58:21,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1561211733, now seen corresponding path program 1 times [2024-11-19 03:58:21,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:58:21,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989397166] [2024-11-19 03:58:21,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:58:21,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:58:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:58:24,847 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-19 03:58:24,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:58:24,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989397166] [2024-11-19 03:58:24,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989397166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:58:24,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:58:24,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:58:24,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175013424] [2024-11-19 03:58:24,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:58:24,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:58:24,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:58:24,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:58:24,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:58:24,850 INFO L87 Difference]: Start difference. First operand 4659 states and 6827 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) [2024-11-19 03:58:25,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:58:25,046 INFO L93 Difference]: Finished difference Result 4664 states and 6833 transitions. [2024-11-19 03:58:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:58:25,047 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 [2024-11-19 03:58:25,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:58:25,102 INFO L225 Difference]: With dead ends: 4664 [2024-11-19 03:58:25,103 INFO L226 Difference]: Without dead ends: 4661 [2024-11-19 03:58:25,113 INFO L431 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 [2024-11-19 03:58:25,114 INFO L432 NwaCegarLoop]: 3509 mSDtfsCounter, 0 mSDsluCounter, 3504 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7013 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:58:25,115 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7013 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:58:25,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4661 states. [2024-11-19 03:58:25,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4661 to 4661. [2024-11-19 03:58:25,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4661 states, 3312 states have (on average 1.338768115942029) internal successors, (4434), 3390 states have internal predecessors, (4434), 1198 states have call successors, (1198), 151 states have call predecessors, (1198), 150 states have return successors, (1197), 1167 states have call predecessors, (1197), 1197 states have call successors, (1197) [2024-11-19 03:58:25,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4661 states to 4661 states and 6829 transitions. [2024-11-19 03:58:25,427 INFO L78 Accepts]: Start accepts. Automaton has 4661 states and 6829 transitions. Word has length 123 [2024-11-19 03:58:25,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:58:25,429 INFO L471 AbstractCegarLoop]: Abstraction has 4661 states and 6829 transitions. [2024-11-19 03:58:25,429 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) [2024-11-19 03:58:25,429 INFO L276 IsEmpty]: Start isEmpty. Operand 4661 states and 6829 transitions. [2024-11-19 03:58:25,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-19 03:58:25,436 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:58:25,436 INFO L215 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] [2024-11-19 03:58:25,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 03:58:25,436 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:58:25,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:58:25,437 INFO L85 PathProgramCache]: Analyzing trace with hash 785822394, now seen corresponding path program 1 times [2024-11-19 03:58:25,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:58:25,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801791707] [2024-11-19 03:58:25,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:58:25,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:58:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:58:28,720 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-19 03:58:28,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:58:28,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801791707] [2024-11-19 03:58:28,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801791707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:58:28,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:58:28,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:58:28,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285766800] [2024-11-19 03:58:28,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:58:28,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:58:28,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:58:28,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:58:28,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:58:28,723 INFO L87 Difference]: Start difference. First operand 4661 states and 6829 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) [2024-11-19 03:58:29,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:58:29,270 INFO L93 Difference]: Finished difference Result 12535 states and 18467 transitions. [2024-11-19 03:58:29,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 03:58:29,271 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 [2024-11-19 03:58:29,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:58:29,386 INFO L225 Difference]: With dead ends: 12535 [2024-11-19 03:58:29,387 INFO L226 Difference]: Without dead ends: 7906 [2024-11-19 03:58:29,445 INFO L431 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 [2024-11-19 03:58:29,448 INFO L432 NwaCegarLoop]: 5069 mSDtfsCounter, 2994 mSDsluCounter, 7908 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2994 SdHoareTripleChecker+Valid, 12977 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:58:29,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2994 Valid, 12977 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:58:29,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7906 states. [2024-11-19 03:58:29,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7906 to 7876. [2024-11-19 03:58:29,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7876 states, 5608 states have (on average 1.3373751783166905) internal successors, (7500), 5746 states have internal predecessors, (7500), 2008 states have call successors, (2008), 262 states have call predecessors, (2008), 259 states have return successors, (2031), 1947 states have call predecessors, (2031), 2007 states have call successors, (2031) [2024-11-19 03:58:29,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7876 states to 7876 states and 11539 transitions. [2024-11-19 03:58:29,929 INFO L78 Accepts]: Start accepts. Automaton has 7876 states and 11539 transitions. Word has length 125 [2024-11-19 03:58:29,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:58:29,930 INFO L471 AbstractCegarLoop]: Abstraction has 7876 states and 11539 transitions. [2024-11-19 03:58:29,930 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) [2024-11-19 03:58:29,930 INFO L276 IsEmpty]: Start isEmpty. Operand 7876 states and 11539 transitions. [2024-11-19 03:58:29,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-19 03:58:29,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:58:29,958 INFO L215 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] [2024-11-19 03:58:29,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 03:58:29,958 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:58:29,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:58:29,959 INFO L85 PathProgramCache]: Analyzing trace with hash -758932128, now seen corresponding path program 1 times [2024-11-19 03:58:29,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:58:29,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998765401] [2024-11-19 03:58:29,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:58:29,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:58:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:58:33,613 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-19 03:58:33,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:58:33,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998765401] [2024-11-19 03:58:33,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998765401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:58:33,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:58:33,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 03:58:33,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781617217] [2024-11-19 03:58:33,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:58:33,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 03:58:33,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:58:33,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 03:58:33,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:58:33,618 INFO L87 Difference]: Start difference. First operand 7876 states and 11539 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) [2024-11-19 03:58:34,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:58:34,961 INFO L93 Difference]: Finished difference Result 23562 states and 34603 transitions. [2024-11-19 03:58:34,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 03:58:34,962 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 193 [2024-11-19 03:58:34,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:58:35,198 INFO L225 Difference]: With dead ends: 23562 [2024-11-19 03:58:35,199 INFO L226 Difference]: Without dead ends: 15718 [2024-11-19 03:58:35,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-19 03:58:35,285 INFO L432 NwaCegarLoop]: 3599 mSDtfsCounter, 3493 mSDsluCounter, 10670 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3494 SdHoareTripleChecker+Valid, 14269 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 03:58:35,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3494 Valid, 14269 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 03:58:35,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15718 states. [2024-11-19 03:58:36,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15718 to 15703. [2024-11-19 03:58:36,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15703 states, 11179 states have (on average 1.3366132927811074) internal successors, (14942), 11463 states have internal predecessors, (14942), 4007 states have call successors, (4007), 521 states have call predecessors, (4007), 516 states have return successors, (4096), 3878 states have call predecessors, (4096), 4006 states have call successors, (4096) [2024-11-19 03:58:36,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15703 states to 15703 states and 23045 transitions. [2024-11-19 03:58:36,217 INFO L78 Accepts]: Start accepts. Automaton has 15703 states and 23045 transitions. Word has length 193 [2024-11-19 03:58:36,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:58:36,218 INFO L471 AbstractCegarLoop]: Abstraction has 15703 states and 23045 transitions. [2024-11-19 03:58:36,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-19 03:58:36,220 INFO L276 IsEmpty]: Start isEmpty. Operand 15703 states and 23045 transitions. [2024-11-19 03:58:36,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-19 03:58:36,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:58:36,264 INFO L215 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] [2024-11-19 03:58:36,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 03:58:36,265 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:58:36,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:58:36,265 INFO L85 PathProgramCache]: Analyzing trace with hash 2098640967, now seen corresponding path program 1 times [2024-11-19 03:58:36,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:58:36,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037318931] [2024-11-19 03:58:36,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:58:36,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:58:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:58:40,418 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-19 03:58:40,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:58:40,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037318931] [2024-11-19 03:58:40,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037318931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:58:40,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:58:40,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 03:58:40,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388784060] [2024-11-19 03:58:40,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:58:40,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 03:58:40,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:58:40,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 03:58:40,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:58:40,422 INFO L87 Difference]: Start difference. First operand 15703 states and 23045 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) [2024-11-19 03:58:42,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:58:42,440 INFO L93 Difference]: Finished difference Result 47065 states and 69185 transitions. [2024-11-19 03:58:42,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 03:58:42,441 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 [2024-11-19 03:58:42,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:58:42,959 INFO L225 Difference]: With dead ends: 47065 [2024-11-19 03:58:42,959 INFO L226 Difference]: Without dead ends: 31394 [2024-11-19 03:58:43,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-19 03:58:43,185 INFO L432 NwaCegarLoop]: 3571 mSDtfsCounter, 3495 mSDsluCounter, 10609 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3496 SdHoareTripleChecker+Valid, 14180 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 03:58:43,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3496 Valid, 14180 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 03:58:43,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31394 states. [2024-11-19 03:58:45,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31394 to 31371. [2024-11-19 03:58:45,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31371 states, 22337 states have (on average 1.335989613645521) internal successors, (29842), 22903 states have internal predecessors, (29842), 8003 states have call successors, (8003), 1039 states have call predecessors, (8003), 1030 states have return successors, (8242), 7748 states have call predecessors, (8242), 8002 states have call successors, (8242) [2024-11-19 03:58:45,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31371 states to 31371 states and 46087 transitions. [2024-11-19 03:58:45,696 INFO L78 Accepts]: Start accepts. Automaton has 31371 states and 46087 transitions. Word has length 194 [2024-11-19 03:58:45,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:58:45,697 INFO L471 AbstractCegarLoop]: Abstraction has 31371 states and 46087 transitions. [2024-11-19 03:58:45,697 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) [2024-11-19 03:58:45,697 INFO L276 IsEmpty]: Start isEmpty. Operand 31371 states and 46087 transitions. [2024-11-19 03:58:45,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-19 03:58:45,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:58:45,754 INFO L215 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, 1] [2024-11-19 03:58:45,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 03:58:45,754 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:58:45,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:58:45,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1837218404, now seen corresponding path program 1 times [2024-11-19 03:58:45,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:58:45,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330932461] [2024-11-19 03:58:45,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:58:45,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:58:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:58:49,462 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-19 03:58:49,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:58:49,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330932461] [2024-11-19 03:58:49,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330932461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:58:49,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:58:49,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 03:58:49,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621061749] [2024-11-19 03:58:49,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:58:49,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 03:58:49,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:58:49,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 03:58:49,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:58:49,466 INFO L87 Difference]: Start difference. First operand 31371 states and 46087 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 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) [2024-11-19 03:58:52,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:58:52,526 INFO L93 Difference]: Finished difference Result 94105 states and 138431 transitions. [2024-11-19 03:58:52,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 03:58:52,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 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 196 [2024-11-19 03:58:52,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:58:53,510 INFO L225 Difference]: With dead ends: 94105 [2024-11-19 03:58:53,510 INFO L226 Difference]: Without dead ends: 62766 [2024-11-19 03:58:53,841 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-19 03:58:53,843 INFO L432 NwaCegarLoop]: 3507 mSDtfsCounter, 3497 mSDsluCounter, 10481 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3498 SdHoareTripleChecker+Valid, 13988 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 03:58:53,843 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3498 Valid, 13988 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 03:58:53,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62766 states.