./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.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 c850114a14157388fff72c3ea545dc39574a5dacf1bf063210a2e523cf9f3a54 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 03:27:16,510 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 03:27:16,584 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 03:27:16,590 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 03:27:16,593 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 03:27:16,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 03:27:16,621 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 03:27:16,621 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 03:27:16,621 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 03:27:16,622 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 03:27:16,622 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 03:27:16,623 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 03:27:16,623 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 03:27:16,624 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 03:27:16,624 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 03:27:16,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 03:27:16,625 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 03:27:16,625 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 03:27:16,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 03:27:16,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 03:27:16,631 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 03:27:16,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 03:27:16,632 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 03:27:16,632 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 03:27:16,632 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 03:27:16,633 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 03:27:16,633 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 03:27:16,633 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 03:27:16,634 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 03:27:16,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:27:16,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 03:27:16,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 03:27:16,635 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 03:27:16,635 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 03:27:16,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 03:27:16,639 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 03:27:16,639 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 03:27:16,639 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 03:27:16,640 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 03:27:16,640 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c850114a14157388fff72c3ea545dc39574a5dacf1bf063210a2e523cf9f3a54 [2024-11-19 03:27:16,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 03:27:16,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 03:27:16,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 03:27:16,898 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 03:27:16,899 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 03:27:16,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i [2024-11-19 03:27:18,361 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 03:27:18,772 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 03:27:18,773 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i [2024-11-19 03:27:18,803 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f943eeae2/70ac121ef07b40d0bd07be9b012eb39f/FLAG48a20c4aa [2024-11-19 03:27:18,940 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f943eeae2/70ac121ef07b40d0bd07be9b012eb39f [2024-11-19 03:27:18,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 03:27:18,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 03:27:18,945 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 03:27:18,945 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 03:27:18,950 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 03:27:18,951 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:18" (1/1) ... [2024-11-19 03:27:18,953 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2023be8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:18, skipping insertion in model container [2024-11-19 03:27:18,954 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:18" (1/1) ... [2024-11-19 03:27:19,033 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 03:27:19,439 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2482] [2024-11-19 03:27:19,440 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2483-2484] [2024-11-19 03:27:19,548 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i[72349,72362] [2024-11-19 03:27:19,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:27:19,920 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 03:27:19,989 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2482] [2024-11-19 03:27:19,989 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2483-2484] [2024-11-19 03:27:19,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port___0)); [2619] [2024-11-19 03:27:19,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port___0)); [2627] [2024-11-19 03:27:19,999 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i[72349,72362] [2024-11-19 03:27:20,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:27:20,169 INFO L204 MainTranslator]: Completed translation [2024-11-19 03:27:20,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:20 WrapperNode [2024-11-19 03:27:20,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 03:27:20,171 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 03:27:20,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 03:27:20,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 03:27:20,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:20" (1/1) ... [2024-11-19 03:27:20,236 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:20" (1/1) ... [2024-11-19 03:27:20,326 INFO L138 Inliner]: procedures = 142, calls = 1053, calls flagged for inlining = 73, calls inlined = 71, statements flattened = 2223 [2024-11-19 03:27:20,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 03:27:20,327 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 03:27:20,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 03:27:20,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 03:27:20,339 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:20" (1/1) ... [2024-11-19 03:27:20,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:20" (1/1) ... [2024-11-19 03:27:20,368 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:20" (1/1) ... [2024-11-19 03:27:20,617 INFO L175 MemorySlicer]: Split 753 memory accesses to 25 slices as follows [6, 34, 229, 34, 34, 34, 34, 9, 34, 34, 39, 40, 36, 34, 34, 3, 8, 8, 2, 7, 6, 6, 8, 16, 24]. 30 percent of accesses are in the largest equivalence class. The 70 initializations are split as follows [5, 0, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 32, 0, 8, 0, 2, 0, 0, 0, 0, 16, 0]. The 474 writes are split as follows [0, 33, 67, 33, 33, 33, 33, 9, 33, 33, 35, 36, 33, 33, 1, 3, 0, 0, 0, 1, 1, 0, 0, 0, 24]. [2024-11-19 03:27:20,617 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:20" (1/1) ... [2024-11-19 03:27:20,618 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:20" (1/1) ... [2024-11-19 03:27:20,773 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:20" (1/1) ... [2024-11-19 03:27:20,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:20" (1/1) ... [2024-11-19 03:27:20,828 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:20" (1/1) ... [2024-11-19 03:27:20,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:20" (1/1) ... [2024-11-19 03:27:20,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 03:27:20,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 03:27:20,879 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 03:27:20,880 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 03:27:20,881 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:20" (1/1) ... [2024-11-19 03:27:20,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:27:20,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:27:20,919 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 03:27:20,922 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 03:27:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_free [2024-11-19 03:27:20,960 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_free [2024-11-19 03:27:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_do_close [2024-11-19 03:27:20,960 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_do_close [2024-11-19 03:27:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-11-19 03:27:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-11-19 03:27:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-11-19 03:27:20,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-11-19 03:27:20,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-11-19 03:27:20,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-11-19 03:27:20,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-11-19 03:27:20,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-11-19 03:27:20,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-11-19 03:27:20,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-11-19 03:27:20,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-11-19 03:27:20,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-11-19 03:27:20,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-11-19 03:27:20,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-11-19 03:27:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-11-19 03:27:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-11-19 03:27:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-11-19 03:27:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-11-19 03:27:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-11-19 03:27:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2024-11-19 03:27:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2024-11-19 03:27:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#21 [2024-11-19 03:27:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#22 [2024-11-19 03:27:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#23 [2024-11-19 03:27:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#24 [2024-11-19 03:27:20,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-11-19 03:27:20,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-11-19 03:27:20,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-11-19 03:27:20,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-11-19 03:27:20,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-11-19 03:27:20,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-11-19 03:27:20,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-11-19 03:27:20,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-11-19 03:27:20,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-11-19 03:27:20,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-11-19 03:27:20,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-11-19 03:27:20,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-11-19 03:27:20,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-11-19 03:27:20,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-11-19 03:27:20,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-11-19 03:27:20,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-11-19 03:27:20,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-11-19 03:27:20,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-11-19 03:27:20,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-11-19 03:27:20,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2024-11-19 03:27:20,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2024-11-19 03:27:20,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#21 [2024-11-19 03:27:20,965 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#22 [2024-11-19 03:27:20,965 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#23 [2024-11-19 03:27:20,965 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#24 [2024-11-19 03:27:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_add_timer [2024-11-19 03:27:20,965 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_add_timer [2024-11-19 03:27:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 03:27:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 03:27:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 03:27:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 03:27:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 03:27:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 03:27:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 03:27:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 03:27:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 03:27:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 03:27:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 03:27:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-19 03:27:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-19 03:27:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-19 03:27:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-19 03:27:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-19 03:27:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-19 03:27:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-19 03:27:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-19 03:27:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-19 03:27:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-19 03:27:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-19 03:27:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-19 03:27:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-19 03:27:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-19 03:27:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_io_loop [2024-11-19 03:27:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_io_loop [2024-11-19 03:27:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 03:27:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 03:27:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 03:27:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 03:27:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 03:27:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 03:27:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 03:27:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 03:27:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 03:27:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 03:27:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 03:27:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-19 03:27:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-19 03:27:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-19 03:27:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-19 03:27:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-19 03:27:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-19 03:27:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-19 03:27:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-19 03:27:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-19 03:27:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-19 03:27:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-19 03:27:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-19 03:27:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-19 03:27:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-11-19 03:27:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 03:27:20,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 03:27:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 03:27:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 03:27:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 03:27:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 03:27:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 03:27:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 03:27:20,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 03:27:20,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 03:27:20,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 03:27:20,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 03:27:20,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 03:27:20,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 03:27:20,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 03:27:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 03:27:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-19 03:27:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-19 03:27:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-19 03:27:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-19 03:27:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-19 03:27:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-19 03:27:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-19 03:27:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-19 03:27:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-19 03:27:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-19 03:27:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-19 03:27:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_del_timer [2024-11-19 03:27:20,975 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_del_timer [2024-11-19 03:27:20,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-19 03:27:20,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-19 03:27:20,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 03:27:20,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 03:27:20,976 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_buffer_output [2024-11-19 03:27:20,976 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_buffer_output [2024-11-19 03:27:20,978 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_substreams [2024-11-19 03:27:20,978 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_substreams [2024-11-19 03:27:20,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 03:27:20,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 03:27:20,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 03:27:20,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 03:27:20,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 03:27:20,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 03:27:20,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 03:27:20,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 03:27:20,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 03:27:20,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 03:27:20,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 03:27:20,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 03:27:20,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 03:27:20,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 03:27:20,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-19 03:27:20,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-19 03:27:20,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-19 03:27:20,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-19 03:27:20,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-19 03:27:20,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-19 03:27:20,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-19 03:27:20,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-19 03:27:20,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-19 03:27:20,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-19 03:27:20,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-19 03:27:20,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-19 03:27:20,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-19 03:27:20,982 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_trigger [2024-11-19 03:27:20,982 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_trigger [2024-11-19 03:27:20,982 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 03:27:20,982 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 03:27:20,983 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_do_open [2024-11-19 03:27:20,983 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_do_open [2024-11-19 03:27:20,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 03:27:20,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 03:27:20,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 03:27:20,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 03:27:20,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 03:27:20,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 03:27:20,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 03:27:20,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 03:27:20,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 03:27:20,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 03:27:20,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 03:27:20,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 03:27:20,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 03:27:20,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 03:27:20,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 03:27:20,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 03:27:20,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 03:27:20,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-19 03:27:20,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-19 03:27:20,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-19 03:27:20,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-19 03:27:20,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-19 03:27:20,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-19 03:27:20,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-19 03:27:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-19 03:27:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-19 03:27:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-19 03:27:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-19 03:27:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-19 03:27:20,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-19 03:27:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-11-19 03:27:20,987 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-11-19 03:27:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 03:27:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 03:27:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 03:27:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 03:27:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 03:27:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 03:27:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 03:27:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 03:27:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 03:27:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 03:27:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 03:27:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 03:27:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 03:27:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 03:27:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-19 03:27:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-19 03:27:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-19 03:27:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-19 03:27:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-19 03:27:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-19 03:27:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-19 03:27:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-19 03:27:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-19 03:27:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-19 03:27:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-19 03:27:20,990 INFO L130 BoogieDeclarations]: Found specification of procedure snd_serial_unregister_all [2024-11-19 03:27:20,991 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_serial_unregister_all [2024-11-19 03:27:20,991 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_byte [2024-11-19 03:27:20,991 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_byte [2024-11-19 03:27:20,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-19 03:27:20,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-19 03:27:20,991 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2024-11-19 03:27:20,991 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2024-11-19 03:27:20,992 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-19 03:27:20,992 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-19 03:27:20,992 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_receive [2024-11-19 03:27:20,993 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_receive [2024-11-19 03:27:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_input_trigger [2024-11-19 03:27:20,993 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_input_trigger [2024-11-19 03:27:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 03:27:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 03:27:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 03:27:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 03:27:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 03:27:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 03:27:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 03:27:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 03:27:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 03:27:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-19 03:27:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-19 03:27:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-19 03:27:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-19 03:27:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-19 03:27:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-19 03:27:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-19 03:27:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-19 03:27:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-19 03:27:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-19 03:27:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-19 03:27:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-19 03:27:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-19 03:27:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-19 03:27:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-19 03:27:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-19 03:27:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-11-19 03:27:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2024-11-19 03:27:20,995 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2024-11-19 03:27:20,995 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-11-19 03:27:20,995 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-11-19 03:27:20,995 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-19 03:27:20,995 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-19 03:27:20,995 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-19 03:27:20,995 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-19 03:27:20,995 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-19 03:27:20,995 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-19 03:27:20,995 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-19 03:27:20,995 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-19 03:27:20,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 03:27:20,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 03:27:20,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 03:27:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 03:27:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 03:27:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 03:27:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 03:27:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 03:27:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 03:27:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 03:27:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 03:27:21,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 03:27:21,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 03:27:21,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 03:27:21,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-19 03:27:21,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-19 03:27:21,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-19 03:27:21,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-19 03:27:21,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-19 03:27:21,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-19 03:27:21,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-19 03:27:21,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-19 03:27:21,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-19 03:27:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-19 03:27:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-19 03:27:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-19 03:27:21,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-19 03:27:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure __snd_printk [2024-11-19 03:27:21,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __snd_printk [2024-11-19 03:27:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 03:27:21,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 03:27:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_set_ops [2024-11-19 03:27:21,003 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_set_ops [2024-11-19 03:27:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_write_buffer [2024-11-19 03:27:21,003 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_write_buffer [2024-11-19 03:27:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-19 03:27:21,004 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-19 03:27:21,551 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 03:27:21,555 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 03:27:21,943 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 03:27:32,668 INFO L? ?]: Removed 1025 outVars from TransFormulas that were not future-live. [2024-11-19 03:27:32,668 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 03:27:32,712 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 03:27:32,712 INFO L316 CfgBuilder]: Removed 27 assume(true) statements. [2024-11-19 03:27:32,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:32 BoogieIcfgContainer [2024-11-19 03:27:32,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 03:27:32,717 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 03:27:32,717 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 03:27:32,720 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 03:27:32,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:27:18" (1/3) ... [2024-11-19 03:27:32,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a159b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:27:32, skipping insertion in model container [2024-11-19 03:27:32,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:20" (2/3) ... [2024-11-19 03:27:32,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a159b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:27:32, skipping insertion in model container [2024-11-19 03:27:32,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:32" (3/3) ... [2024-11-19 03:27:32,724 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i [2024-11-19 03:27:32,741 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 03:27:32,741 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 03:27:32,840 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 03:27:32,847 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;@3ddb038f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 03:27:32,848 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 03:27:32,857 INFO L276 IsEmpty]: Start isEmpty. Operand has 726 states, 548 states have (on average 1.4087591240875912) internal successors, (772), 575 states have internal predecessors, (772), 142 states have call successors, (142), 35 states have call predecessors, (142), 34 states have return successors, (135), 130 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-19 03:27:32,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-19 03:27:32,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:27:32,884 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 03:27:32,885 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:27:32,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:27:32,891 INFO L85 PathProgramCache]: Analyzing trace with hash -654744297, now seen corresponding path program 1 times [2024-11-19 03:27:32,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:27:32,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055164611] [2024-11-19 03:27:32,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:27:32,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:27:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:27:44,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 03:27:44,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:27:44,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055164611] [2024-11-19 03:27:44,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055164611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:27:44,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:27:44,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:27:44,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80281688] [2024-11-19 03:27:44,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:27:44,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:27:44,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:27:44,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:27:44,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:27:44,184 INFO L87 Difference]: Start difference. First operand has 726 states, 548 states have (on average 1.4087591240875912) internal successors, (772), 575 states have internal predecessors, (772), 142 states have call successors, (142), 35 states have call predecessors, (142), 34 states have return successors, (135), 130 states have call predecessors, (135), 135 states have call successors, (135) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 03:27:44,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:27:44,649 INFO L93 Difference]: Finished difference Result 1946 states and 2845 transitions. [2024-11-19 03:27:44,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:27:44,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2024-11-19 03:27:44,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:27:44,690 INFO L225 Difference]: With dead ends: 1946 [2024-11-19 03:27:44,691 INFO L226 Difference]: Without dead ends: 1186 [2024-11-19 03:27:44,703 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 03:27:44,706 INFO L432 NwaCegarLoop]: 1177 mSDtfsCounter, 721 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 2198 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 03:27:44,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 2198 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 03:27:44,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2024-11-19 03:27:44,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1185. [2024-11-19 03:27:44,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 901 states have (on average 1.3873473917869035) internal successors, (1250), 934 states have internal predecessors, (1250), 228 states have call successors, (228), 56 states have call predecessors, (228), 55 states have return successors, (227), 218 states have call predecessors, (227), 227 states have call successors, (227) [2024-11-19 03:27:44,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1705 transitions. [2024-11-19 03:27:44,861 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1705 transitions. Word has length 35 [2024-11-19 03:27:44,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:27:44,862 INFO L471 AbstractCegarLoop]: Abstraction has 1185 states and 1705 transitions. [2024-11-19 03:27:44,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 03:27:44,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1705 transitions. [2024-11-19 03:27:44,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-19 03:27:44,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:27:44,874 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 03:27:44,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 03:27:44,875 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:27:44,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:27:44,875 INFO L85 PathProgramCache]: Analyzing trace with hash -14535069, now seen corresponding path program 1 times [2024-11-19 03:27:44,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:27:44,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697402287] [2024-11-19 03:27:44,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:27:44,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:27:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:27:54,579 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-19 03:27:54,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:27:54,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697402287] [2024-11-19 03:27:54,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697402287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:27:54,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:27:54,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:27:54,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637130908] [2024-11-19 03:27:54,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:27:54,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:27:54,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:27:54,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:27:54,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:27:54,588 INFO L87 Difference]: Start difference. First operand 1185 states and 1705 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 03:27:54,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:27:54,803 INFO L93 Difference]: Finished difference Result 2367 states and 3407 transitions. [2024-11-19 03:27:54,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:27:54,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 58 [2024-11-19 03:27:54,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:27:54,815 INFO L225 Difference]: With dead ends: 2367 [2024-11-19 03:27:54,819 INFO L226 Difference]: Without dead ends: 1185 [2024-11-19 03:27:54,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:27:54,827 INFO L432 NwaCegarLoop]: 1014 mSDtfsCounter, 1012 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1012 SdHoareTripleChecker+Valid, 1014 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:27:54,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1012 Valid, 1014 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:27:54,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2024-11-19 03:27:54,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1185. [2024-11-19 03:27:54,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 901 states have (on average 1.3851276359600444) internal successors, (1248), 934 states have internal predecessors, (1248), 228 states have call successors, (228), 56 states have call predecessors, (228), 55 states have return successors, (227), 218 states have call predecessors, (227), 227 states have call successors, (227) [2024-11-19 03:27:54,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1703 transitions. [2024-11-19 03:27:54,890 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1703 transitions. Word has length 58 [2024-11-19 03:27:54,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:27:54,890 INFO L471 AbstractCegarLoop]: Abstraction has 1185 states and 1703 transitions. [2024-11-19 03:27:54,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 03:27:54,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1703 transitions. [2024-11-19 03:27:54,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-19 03:27:54,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:27:54,896 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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 03:27:54,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 03:27:54,897 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:27:54,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:27:54,897 INFO L85 PathProgramCache]: Analyzing trace with hash -297881283, now seen corresponding path program 1 times [2024-11-19 03:27:54,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:27:54,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763741072] [2024-11-19 03:27:54,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:27:54,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:04,297 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-19 03:28:04,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:04,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763741072] [2024-11-19 03:28:04,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763741072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:04,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:28:04,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:28:04,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377683750] [2024-11-19 03:28:04,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:04,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:28:04,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:04,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:28:04,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:28:04,300 INFO L87 Difference]: Start difference. First operand 1185 states and 1703 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 03:28:04,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:04,444 INFO L93 Difference]: Finished difference Result 2368 states and 3405 transitions. [2024-11-19 03:28:04,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:28:04,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 72 [2024-11-19 03:28:04,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:04,453 INFO L225 Difference]: With dead ends: 2368 [2024-11-19 03:28:04,453 INFO L226 Difference]: Without dead ends: 1186 [2024-11-19 03:28:04,458 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 03:28:04,460 INFO L432 NwaCegarLoop]: 1014 mSDtfsCounter, 0 mSDsluCounter, 1008 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2022 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:28:04,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2022 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:28:04,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2024-11-19 03:28:04,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1186. [2024-11-19 03:28:04,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1186 states, 902 states have (on average 1.3847006651884701) internal successors, (1249), 935 states have internal predecessors, (1249), 228 states have call successors, (228), 56 states have call predecessors, (228), 55 states have return successors, (227), 218 states have call predecessors, (227), 227 states have call successors, (227) [2024-11-19 03:28:04,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1704 transitions. [2024-11-19 03:28:04,513 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1704 transitions. Word has length 72 [2024-11-19 03:28:04,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:04,514 INFO L471 AbstractCegarLoop]: Abstraction has 1186 states and 1704 transitions. [2024-11-19 03:28:04,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 03:28:04,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1704 transitions. [2024-11-19 03:28:04,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-19 03:28:04,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:04,519 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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 03:28:04,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 03:28:04,519 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:04,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:04,520 INFO L85 PathProgramCache]: Analyzing trace with hash -431894789, now seen corresponding path program 1 times [2024-11-19 03:28:04,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:04,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807570828] [2024-11-19 03:28:04,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:04,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:13,330 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-19 03:28:13,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:13,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807570828] [2024-11-19 03:28:13,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807570828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:13,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:28:13,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:28:13,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876737710] [2024-11-19 03:28:13,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:13,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:28:13,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:13,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:28:13,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:28:13,332 INFO L87 Difference]: Start difference. First operand 1186 states and 1704 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 03:28:13,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:13,479 INFO L93 Difference]: Finished difference Result 2370 states and 3407 transitions. [2024-11-19 03:28:13,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:28:13,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 72 [2024-11-19 03:28:13,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:13,490 INFO L225 Difference]: With dead ends: 2370 [2024-11-19 03:28:13,490 INFO L226 Difference]: Without dead ends: 1187 [2024-11-19 03:28:13,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:28:13,497 INFO L432 NwaCegarLoop]: 1014 mSDtfsCounter, 0 mSDsluCounter, 1008 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2022 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:28:13,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2022 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:28:13,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2024-11-19 03:28:13,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1187. [2024-11-19 03:28:13,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 903 states have (on average 1.3842746400885935) internal successors, (1250), 936 states have internal predecessors, (1250), 228 states have call successors, (228), 56 states have call predecessors, (228), 55 states have return successors, (227), 218 states have call predecessors, (227), 227 states have call successors, (227) [2024-11-19 03:28:13,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1705 transitions. [2024-11-19 03:28:13,554 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1705 transitions. Word has length 72 [2024-11-19 03:28:13,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:13,554 INFO L471 AbstractCegarLoop]: Abstraction has 1187 states and 1705 transitions. [2024-11-19 03:28:13,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 03:28:13,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1705 transitions. [2024-11-19 03:28:13,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-19 03:28:13,560 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:13,561 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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 03:28:13,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 03:28:13,562 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:13,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:13,562 INFO L85 PathProgramCache]: Analyzing trace with hash -213040071, now seen corresponding path program 1 times [2024-11-19 03:28:13,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:13,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163963647] [2024-11-19 03:28:13,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:13,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:22,261 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-19 03:28:22,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:22,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163963647] [2024-11-19 03:28:22,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163963647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:22,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:28:22,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:28:22,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815931350] [2024-11-19 03:28:22,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:22,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:28:22,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:22,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:28:22,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:28:22,263 INFO L87 Difference]: Start difference. First operand 1187 states and 1705 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 03:28:22,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:22,394 INFO L93 Difference]: Finished difference Result 1191 states and 1709 transitions. [2024-11-19 03:28:22,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:28:22,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 72 [2024-11-19 03:28:22,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:22,405 INFO L225 Difference]: With dead ends: 1191 [2024-11-19 03:28:22,405 INFO L226 Difference]: Without dead ends: 1188 [2024-11-19 03:28:22,406 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 03:28:22,407 INFO L432 NwaCegarLoop]: 1014 mSDtfsCounter, 0 mSDsluCounter, 1008 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2022 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:28:22,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2022 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:28:22,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2024-11-19 03:28:22,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 1188. [2024-11-19 03:28:22,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1188 states, 904 states have (on average 1.383849557522124) internal successors, (1251), 937 states have internal predecessors, (1251), 228 states have call successors, (228), 56 states have call predecessors, (228), 55 states have return successors, (227), 218 states have call predecessors, (227), 227 states have call successors, (227) [2024-11-19 03:28:22,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 1188 states and 1706 transitions. [2024-11-19 03:28:22,461 INFO L78 Accepts]: Start accepts. Automaton has 1188 states and 1706 transitions. Word has length 72 [2024-11-19 03:28:22,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:22,462 INFO L471 AbstractCegarLoop]: Abstraction has 1188 states and 1706 transitions. [2024-11-19 03:28:22,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 03:28:22,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1706 transitions. [2024-11-19 03:28:22,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-19 03:28:22,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:28:22,467 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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 03:28:22,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 03:28:22,467 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:28:22,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:28:22,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1450646285, now seen corresponding path program 1 times [2024-11-19 03:28:22,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:28:22,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864500376] [2024-11-19 03:28:22,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:28:22,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:28:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:28:31,962 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-19 03:28:31,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:28:31,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864500376] [2024-11-19 03:28:31,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864500376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:28:31,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:28:31,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:28:31,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280280019] [2024-11-19 03:28:31,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:28:31,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:28:31,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:28:31,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:28:31,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:28:31,965 INFO L87 Difference]: Start difference. First operand 1188 states and 1706 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 03:28:32,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:28:32,173 INFO L93 Difference]: Finished difference Result 2374 states and 3405 transitions. [2024-11-19 03:28:32,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:28:32,174 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 74 [2024-11-19 03:28:32,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:28:32,177 INFO L225 Difference]: With dead ends: 2374 [2024-11-19 03:28:32,177 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 03:28:32,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:28:32,185 INFO L432 NwaCegarLoop]: 1008 mSDtfsCounter, 484 mSDsluCounter, 1491 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 2499 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:28:32,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 2499 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:28:32,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 03:28:32,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 03:28:32,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 03:28:32,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 03:28:32,190 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2024-11-19 03:28:32,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:28:32,190 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 03:28:32,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 03:28:32,190 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 03:28:32,191 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 03:28:32,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-19 03:28:32,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 03:28:32,196 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-19 03:28:32,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.