./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 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-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-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c850114a14157388fff72c3ea545dc39574a5dacf1bf063210a2e523cf9f3a54 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 18:37:44,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 18:37:44,888 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 18:37:44,895 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 18:37:44,896 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 18:37:44,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 18:37:44,914 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 18:37:44,914 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 18:37:44,915 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 18:37:44,915 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 18:37:44,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 18:37:44,915 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 18:37:44,915 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 18:37:44,915 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 18:37:44,915 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 18:37:44,915 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 18:37:44,915 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 18:37:44,916 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 18:37:44,916 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 18:37:44,916 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 18:37:44,916 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 18:37:44,916 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 18:37:44,916 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 18:37:44,916 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 18:37:44,916 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 18:37:44,916 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 18:37:44,916 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:37:44,916 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:37:44,917 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:37:44,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:37:44,917 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 18:37:44,917 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:37:44,917 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:37:44,917 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:37:44,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:37:44,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 18:37:44,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 18:37:44,917 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 18:37:44,917 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 18:37:44,918 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 18:37:44,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 18:37:44,918 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 18:37:44,918 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 18:37:44,918 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 18:37:44,918 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 18:37:44,918 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c850114a14157388fff72c3ea545dc39574a5dacf1bf063210a2e523cf9f3a54 [2025-01-09 18:37:45,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 18:37:45,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 18:37:45,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 18:37:45,140 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 18:37:45,140 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 18:37:45,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i [2025-01-09 18:37:46,352 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/61d20d7fd/db2c49eb602b47fda3b6a06a8682f934/FLAGaa14386b7 [2025-01-09 18:37:46,698 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 18:37:46,698 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i [2025-01-09 18:37:46,720 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/61d20d7fd/db2c49eb602b47fda3b6a06a8682f934/FLAGaa14386b7 [2025-01-09 18:37:46,734 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/61d20d7fd/db2c49eb602b47fda3b6a06a8682f934 [2025-01-09 18:37:46,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 18:37:46,737 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 18:37:46,738 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 18:37:46,738 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 18:37:46,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 18:37:46,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:37:46" (1/1) ... [2025-01-09 18:37:46,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@328b78dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:46, skipping insertion in model container [2025-01-09 18:37:46,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:37:46" (1/1) ... [2025-01-09 18:37:46,802 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 18:37:47,054 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2482] [2025-01-09 18:37:47,055 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2483-2484] [2025-01-09 18:37:47,194 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-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] [2025-01-09 18:37:47,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:37:47,619 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 18:37:47,691 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2482] [2025-01-09 18:37:47,692 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2483-2484] [2025-01-09 18:37:47,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port___0)); [2619] [2025-01-09 18:37:47,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port___0)); [2627] [2025-01-09 18:37:47,703 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-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] [2025-01-09 18:37:47,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:37:47,860 INFO L204 MainTranslator]: Completed translation [2025-01-09 18:37:47,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:47 WrapperNode [2025-01-09 18:37:47,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 18:37:47,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 18:37:47,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 18:37:47,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 18:37:47,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:47" (1/1) ... [2025-01-09 18:37:47,917 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:47" (1/1) ... [2025-01-09 18:37:48,052 INFO L138 Inliner]: procedures = 142, calls = 1053, calls flagged for inlining = 73, calls inlined = 71, statements flattened = 2187 [2025-01-09 18:37:48,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 18:37:48,053 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 18:37:48,054 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 18:37:48,054 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 18:37:48,061 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:47" (1/1) ... [2025-01-09 18:37:48,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:47" (1/1) ... [2025-01-09 18:37:48,084 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:47" (1/1) ... [2025-01-09 18:37:48,165 INFO L175 MemorySlicer]: Split 753 memory accesses to 25 slices as follows [6, 34, 34, 34, 34, 34, 34, 34, 39, 40, 36, 6, 34, 34, 8, 9, 229, 3, 16, 2, 8, 24, 7, 6, 8]. 30 percent of accesses are in the largest equivalence class. The 70 initializations are split as follows [5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 32, 8, 0, 7, 0, 16, 2, 0, 0, 0, 0, 0]. The 474 writes are split as follows [0, 33, 33, 33, 33, 33, 33, 33, 35, 36, 33, 1, 33, 1, 0, 9, 67, 3, 0, 0, 0, 24, 1, 0, 0]. [2025-01-09 18:37:48,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:47" (1/1) ... [2025-01-09 18:37:48,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:47" (1/1) ... [2025-01-09 18:37:48,211 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:47" (1/1) ... [2025-01-09 18:37:48,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:47" (1/1) ... [2025-01-09 18:37:48,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:47" (1/1) ... [2025-01-09 18:37:48,250 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:47" (1/1) ... [2025-01-09 18:37:48,263 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:47" (1/1) ... [2025-01-09 18:37:48,294 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 18:37:48,296 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 18:37:48,296 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 18:37:48,296 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 18:37:48,297 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:47" (1/1) ... [2025-01-09 18:37:48,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:37:48,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:37:48,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 18:37:48,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 18:37:48,345 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_free [2025-01-09 18:37:48,345 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_free [2025-01-09 18:37:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_do_close [2025-01-09 18:37:48,346 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_do_close [2025-01-09 18:37:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2025-01-09 18:37:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2025-01-09 18:37:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2025-01-09 18:37:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2025-01-09 18:37:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2025-01-09 18:37:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2025-01-09 18:37:48,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2025-01-09 18:37:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2025-01-09 18:37:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2025-01-09 18:37:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2025-01-09 18:37:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2025-01-09 18:37:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2025-01-09 18:37:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2025-01-09 18:37:48,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2025-01-09 18:37:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2025-01-09 18:37:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2025-01-09 18:37:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2025-01-09 18:37:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2025-01-09 18:37:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2025-01-09 18:37:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2025-01-09 18:37:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2025-01-09 18:37:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#21 [2025-01-09 18:37:48,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#22 [2025-01-09 18:37:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#23 [2025-01-09 18:37:48,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#24 [2025-01-09 18:37:48,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2025-01-09 18:37:48,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2025-01-09 18:37:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2025-01-09 18:37:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2025-01-09 18:37:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2025-01-09 18:37:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2025-01-09 18:37:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2025-01-09 18:37:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2025-01-09 18:37:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2025-01-09 18:37:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2025-01-09 18:37:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2025-01-09 18:37:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2025-01-09 18:37:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2025-01-09 18:37:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2025-01-09 18:37:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2025-01-09 18:37:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2025-01-09 18:37:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2025-01-09 18:37:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2025-01-09 18:37:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2025-01-09 18:37:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2025-01-09 18:37:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2025-01-09 18:37:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#21 [2025-01-09 18:37:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#22 [2025-01-09 18:37:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#23 [2025-01-09 18:37:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#24 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_add_timer [2025-01-09 18:37:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_add_timer [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_io_loop [2025-01-09 18:37:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_io_loop [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 18:37:48,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 18:37:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 18:37:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 18:37:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 18:37:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 18:37:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-01-09 18:37:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-01-09 18:37:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-01-09 18:37:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-01-09 18:37:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-01-09 18:37:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-01-09 18:37:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-01-09 18:37:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-01-09 18:37:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-01-09 18:37:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-01-09 18:37:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-01-09 18:37:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2025-01-09 18:37:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2025-01-09 18:37:48,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2025-01-09 18:37:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2025-01-09 18:37:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2025-01-09 18:37:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-01-09 18:37:48,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-01-09 18:37:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 18:37:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 18:37:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 18:37:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 18:37:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 18:37:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 18:37:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 18:37:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 18:37:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 18:37:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 18:37:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 18:37:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 18:37:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 18:37:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 18:37:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 18:37:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-01-09 18:37:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-01-09 18:37:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-01-09 18:37:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-01-09 18:37:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-01-09 18:37:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-01-09 18:37:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-01-09 18:37:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-01-09 18:37:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-01-09 18:37:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-01-09 18:37:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_del_timer [2025-01-09 18:37:48,355 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_del_timer [2025-01-09 18:37:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2025-01-09 18:37:48,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2025-01-09 18:37:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 18:37:48,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 18:37:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_buffer_output [2025-01-09 18:37:48,355 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_buffer_output [2025-01-09 18:37:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_substreams [2025-01-09 18:37:48,355 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_substreams [2025-01-09 18:37:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-01-09 18:37:48,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_trigger [2025-01-09 18:37:48,356 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_trigger [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 18:37:48,356 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_do_open [2025-01-09 18:37:48,356 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_do_open [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 18:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 18:37:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 18:37:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-01-09 18:37:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-01-09 18:37:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-01-09 18:37:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-01-09 18:37:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-01-09 18:37:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-01-09 18:37:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-01-09 18:37:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-01-09 18:37:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-01-09 18:37:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-01-09 18:37:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-01-09 18:37:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-01-09 18:37:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2025-01-09 18:37:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2025-01-09 18:37:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2025-01-09 18:37:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2025-01-09 18:37:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2025-01-09 18:37:48,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2025-01-09 18:37:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2025-01-09 18:37:48,359 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2025-01-09 18:37:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 18:37:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 18:37:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 18:37:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 18:37:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 18:37:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure snd_serial_unregister_all [2025-01-09 18:37:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_serial_unregister_all [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_byte [2025-01-09 18:37:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_byte [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2025-01-09 18:37:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2025-01-09 18:37:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-01-09 18:37:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_receive [2025-01-09 18:37:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_receive [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_input_trigger [2025-01-09 18:37:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_input_trigger [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-01-09 18:37:48,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-01-09 18:37:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-01-09 18:37:48,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-01-09 18:37:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-01-09 18:37:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-01-09 18:37:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-01-09 18:37:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-01-09 18:37:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-01-09 18:37:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2025-01-09 18:37:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2025-01-09 18:37:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2025-01-09 18:37:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2025-01-09 18:37:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2025-01-09 18:37:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2025-01-09 18:37:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2025-01-09 18:37:48,363 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2025-01-09 18:37:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2025-01-09 18:37:48,363 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2025-01-09 18:37:48,363 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-01-09 18:37:48,364 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2025-01-09 18:37:48,364 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2025-01-09 18:37:48,364 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2025-01-09 18:37:48,364 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-01-09 18:37:48,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure __snd_printk [2025-01-09 18:37:48,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __snd_printk [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 18:37:48,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_set_ops [2025-01-09 18:37:48,364 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_set_ops [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_write_buffer [2025-01-09 18:37:48,364 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_write_buffer [2025-01-09 18:37:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-01-09 18:37:48,364 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-01-09 18:37:48,867 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 18:37:48,869 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 18:37:49,142 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-01-09 18:37:58,362 INFO L? ?]: Removed 1015 outVars from TransFormulas that were not future-live. [2025-01-09 18:37:58,363 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 18:37:58,384 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 18:37:58,389 INFO L312 CfgBuilder]: Removed 27 assume(true) statements. [2025-01-09 18:37:58,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:37:58 BoogieIcfgContainer [2025-01-09 18:37:58,389 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 18:37:58,390 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 18:37:58,391 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 18:37:58,398 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 18:37:58,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 06:37:46" (1/3) ... [2025-01-09 18:37:58,398 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45ef43f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:37:58, skipping insertion in model container [2025-01-09 18:37:58,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:37:47" (2/3) ... [2025-01-09 18:37:58,398 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45ef43f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:37:58, skipping insertion in model container [2025-01-09 18:37:58,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:37:58" (3/3) ... [2025-01-09 18:37:58,399 INFO L128 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 [2025-01-09 18:37:58,422 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 18:37:58,425 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i that has 60 procedures, 846 locations, 1 initial locations, 28 loop locations, and 1 error locations. [2025-01-09 18:37:58,468 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 18:37:58,475 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;@591d4c9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 18:37:58,475 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 18:37:58,480 INFO L276 IsEmpty]: Start isEmpty. Operand has 725 states, 547 states have (on average 1.4095063985374772) internal successors, (771), 575 states have internal predecessors, (771), 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) [2025-01-09 18:37:58,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-01-09 18:37:58,490 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:37:58,491 INFO L218 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] [2025-01-09 18:37:58,491 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:37:58,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:37:58,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1610321882, now seen corresponding path program 1 times [2025-01-09 18:37:58,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:37:58,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77048667] [2025-01-09 18:37:58,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:37:58,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:38:06,573 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-09 18:38:06,934 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-09 18:38:06,937 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:38:06,937 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:38:07,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-09 18:38:07,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:38:07,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77048667] [2025-01-09 18:38:07,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77048667] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:38:07,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:38:07,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:38:07,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555929646] [2025-01-09 18:38:07,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:38:07,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:38:07,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:38:07,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:38:07,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:38:07,571 INFO L87 Difference]: Start difference. First operand has 725 states, 547 states have (on average 1.4095063985374772) internal successors, (771), 575 states have internal predecessors, (771), 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) [2025-01-09 18:38:07,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:38:07,879 INFO L93 Difference]: Finished difference Result 1944 states and 2843 transitions. [2025-01-09 18:38:07,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:38:07,881 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 [2025-01-09 18:38:07,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:38:07,898 INFO L225 Difference]: With dead ends: 1944 [2025-01-09 18:38:07,901 INFO L226 Difference]: Without dead ends: 1185 [2025-01-09 18:38:07,909 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:38:07,911 INFO L435 NwaCegarLoop]: 1075 mSDtfsCounter, 721 mSDsluCounter, 1020 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 2095 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 18:38:07,913 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 2095 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 18:38:07,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2025-01-09 18:38:08,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1184. [2025-01-09 18:38:08,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1184 states, 900 states have (on average 1.3877777777777778) internal successors, (1249), 934 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) [2025-01-09 18:38:08,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1704 transitions. [2025-01-09 18:38:08,034 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1704 transitions. Word has length 35 [2025-01-09 18:38:08,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:38:08,034 INFO L471 AbstractCegarLoop]: Abstraction has 1184 states and 1704 transitions. [2025-01-09 18:38:08,035 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) [2025-01-09 18:38:08,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1704 transitions. [2025-01-09 18:38:08,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-01-09 18:38:08,048 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:38:08,048 INFO L218 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] [2025-01-09 18:38:08,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 18:38:08,049 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:38:08,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:38:08,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1538046074, now seen corresponding path program 1 times [2025-01-09 18:38:08,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:38:08,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289775080] [2025-01-09 18:38:08,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:38:08,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:38:16,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-01-09 18:38:16,256 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-01-09 18:38:16,256 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:38:16,256 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:38:16,612 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-09 18:38:16,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:38:16,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289775080] [2025-01-09 18:38:16,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289775080] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:38:16,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:38:16,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:38:16,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664162880] [2025-01-09 18:38:16,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:38:16,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:38:16,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:38:16,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:38:16,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:38:16,615 INFO L87 Difference]: Start difference. First operand 1184 states and 1704 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) [2025-01-09 18:38:16,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:38:16,753 INFO L93 Difference]: Finished difference Result 2365 states and 3405 transitions. [2025-01-09 18:38:16,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:38:16,753 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 [2025-01-09 18:38:16,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:38:16,762 INFO L225 Difference]: With dead ends: 2365 [2025-01-09 18:38:16,762 INFO L226 Difference]: Without dead ends: 1184 [2025-01-09 18:38:16,769 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:38:16,770 INFO L435 NwaCegarLoop]: 1013 mSDtfsCounter, 1011 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1011 SdHoareTripleChecker+Valid, 1013 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 [2025-01-09 18:38:16,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1011 Valid, 1013 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:38:16,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2025-01-09 18:38:16,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 1184. [2025-01-09 18:38:16,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1184 states, 900 states have (on average 1.3855555555555557) internal successors, (1247), 934 states have internal predecessors, (1247), 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) [2025-01-09 18:38:16,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1702 transitions. [2025-01-09 18:38:16,845 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1702 transitions. Word has length 58 [2025-01-09 18:38:16,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:38:16,845 INFO L471 AbstractCegarLoop]: Abstraction has 1184 states and 1702 transitions. [2025-01-09 18:38:16,845 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) [2025-01-09 18:38:16,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1702 transitions. [2025-01-09 18:38:16,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-01-09 18:38:16,852 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:38:16,853 INFO L218 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] [2025-01-09 18:38:16,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 18:38:16,853 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:38:16,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:38:16,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1340908256, now seen corresponding path program 1 times [2025-01-09 18:38:16,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:38:16,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406242725] [2025-01-09 18:38:16,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:38:16,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:38:24,445 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-01-09 18:38:24,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-01-09 18:38:24,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:38:24,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:38:25,113 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-09 18:38:25,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:38:25,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406242725] [2025-01-09 18:38:25,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406242725] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:38:25,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:38:25,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:38:25,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150533851] [2025-01-09 18:38:25,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:38:25,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:38:25,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:38:25,114 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:38:25,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:38:25,114 INFO L87 Difference]: Start difference. First operand 1184 states and 1702 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) [2025-01-09 18:38:25,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:38:25,217 INFO L93 Difference]: Finished difference Result 2366 states and 3403 transitions. [2025-01-09 18:38:25,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:38:25,217 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 [2025-01-09 18:38:25,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:38:25,226 INFO L225 Difference]: With dead ends: 2366 [2025-01-09 18:38:25,226 INFO L226 Difference]: Without dead ends: 1185 [2025-01-09 18:38:25,230 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:38:25,232 INFO L435 NwaCegarLoop]: 1013 mSDtfsCounter, 0 mSDsluCounter, 1007 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2020 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 [2025-01-09 18:38:25,232 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2020 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:38:25,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2025-01-09 18:38:25,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1185. [2025-01-09 18:38:25,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 901 states have (on average 1.3851276359600444) internal successors, (1248), 935 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) [2025-01-09 18:38:25,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1703 transitions. [2025-01-09 18:38:25,284 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1703 transitions. Word has length 72 [2025-01-09 18:38:25,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:38:25,285 INFO L471 AbstractCegarLoop]: Abstraction has 1185 states and 1703 transitions. [2025-01-09 18:38:25,285 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) [2025-01-09 18:38:25,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1703 transitions. [2025-01-09 18:38:25,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-01-09 18:38:25,289 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:38:25,289 INFO L218 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] [2025-01-09 18:38:25,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 18:38:25,290 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:38:25,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:38:25,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1474921762, now seen corresponding path program 1 times [2025-01-09 18:38:25,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:38:25,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795655741] [2025-01-09 18:38:25,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:38:25,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:38:32,777 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-01-09 18:38:32,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-01-09 18:38:32,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:38:32,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:38:33,221 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-09 18:38:33,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:38:33,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795655741] [2025-01-09 18:38:33,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795655741] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:38:33,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:38:33,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:38:33,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254026256] [2025-01-09 18:38:33,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:38:33,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:38:33,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:38:33,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:38:33,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:38:33,223 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) [2025-01-09 18:38:33,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:38:33,335 INFO L93 Difference]: Finished difference Result 2368 states and 3405 transitions. [2025-01-09 18:38:33,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:38:33,335 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 [2025-01-09 18:38:33,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:38:33,346 INFO L225 Difference]: With dead ends: 2368 [2025-01-09 18:38:33,346 INFO L226 Difference]: Without dead ends: 1186 [2025-01-09 18:38:33,350 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:38:33,353 INFO L435 NwaCegarLoop]: 1013 mSDtfsCounter, 0 mSDsluCounter, 1007 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2020 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 [2025-01-09 18:38:33,354 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2020 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:38:33,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2025-01-09 18:38:33,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1186. [2025-01-09 18:38:33,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1186 states, 902 states have (on average 1.3847006651884701) internal successors, (1249), 936 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) [2025-01-09 18:38:33,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1704 transitions. [2025-01-09 18:38:33,402 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1704 transitions. Word has length 72 [2025-01-09 18:38:33,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:38:33,403 INFO L471 AbstractCegarLoop]: Abstraction has 1186 states and 1704 transitions. [2025-01-09 18:38:33,403 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) [2025-01-09 18:38:33,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1704 transitions. [2025-01-09 18:38:33,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-01-09 18:38:33,409 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:38:33,409 INFO L218 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] [2025-01-09 18:38:33,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 18:38:33,409 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:38:33,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:38:33,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1256067044, now seen corresponding path program 1 times [2025-01-09 18:38:33,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:38:33,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816605705] [2025-01-09 18:38:33,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:38:33,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:38:40,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-01-09 18:38:40,853 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-01-09 18:38:40,854 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:38:40,854 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:38:41,185 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-09 18:38:41,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:38:41,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816605705] [2025-01-09 18:38:41,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816605705] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:38:41,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:38:41,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:38:41,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284994473] [2025-01-09 18:38:41,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:38:41,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:38:41,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:38:41,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:38:41,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:38:41,186 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), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-09 18:38:41,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:38:41,273 INFO L93 Difference]: Finished difference Result 1190 states and 1708 transitions. [2025-01-09 18:38:41,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:38:41,273 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 [2025-01-09 18:38:41,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:38:41,280 INFO L225 Difference]: With dead ends: 1190 [2025-01-09 18:38:41,280 INFO L226 Difference]: Without dead ends: 1187 [2025-01-09 18:38:41,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:38:41,282 INFO L435 NwaCegarLoop]: 1013 mSDtfsCounter, 0 mSDsluCounter, 1007 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2020 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 [2025-01-09 18:38:41,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2020 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:38:41,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2025-01-09 18:38:41,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1187. [2025-01-09 18:38:41,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 903 states have (on average 1.3842746400885935) internal successors, (1250), 937 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) [2025-01-09 18:38:41,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1705 transitions. [2025-01-09 18:38:41,317 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1705 transitions. Word has length 72 [2025-01-09 18:38:41,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:38:41,318 INFO L471 AbstractCegarLoop]: Abstraction has 1187 states and 1705 transitions. [2025-01-09 18:38:41,318 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) [2025-01-09 18:38:41,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1705 transitions. [2025-01-09 18:38:41,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-01-09 18:38:41,322 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:38:41,323 INFO L218 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] [2025-01-09 18:38:41,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 18:38:41,323 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:38:41,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:38:41,323 INFO L85 PathProgramCache]: Analyzing trace with hash -170865040, now seen corresponding path program 1 times [2025-01-09 18:38:41,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:38:41,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685699872] [2025-01-09 18:38:41,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:38:41,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:38:48,753 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-09 18:38:48,870 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-09 18:38:48,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:38:48,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:38:49,523 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-09 18:38:49,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:38:49,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685699872] [2025-01-09 18:38:49,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685699872] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:38:49,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:38:49,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 18:38:49,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730820124] [2025-01-09 18:38:49,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:38:49,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 18:38:49,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:38:49,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 18:38:49,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 18:38:49,524 INFO L87 Difference]: Start difference. First operand 1187 states and 1705 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) [2025-01-09 18:38:49,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:38:49,666 INFO L93 Difference]: Finished difference Result 2372 states and 3403 transitions. [2025-01-09 18:38:49,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 18:38:49,666 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 [2025-01-09 18:38:49,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:38:49,669 INFO L225 Difference]: With dead ends: 2372 [2025-01-09 18:38:49,669 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 18:38:49,674 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:38:49,675 INFO L435 NwaCegarLoop]: 1007 mSDtfsCounter, 483 mSDsluCounter, 1490 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 2497 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 [2025-01-09 18:38:49,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 2497 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:38:49,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 18:38:49,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 18:38:49,677 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) [2025-01-09 18:38:49,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 18:38:49,678 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2025-01-09 18:38:49,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:38:49,678 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 18:38:49,678 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) [2025-01-09 18:38:49,679 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 18:38:49,679 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 18:38:49,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 18:38:49,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 18:38:49,683 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-01-09 18:38:49,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 18:39:16,916 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 18:39:16,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 06:39:16 BoogieIcfgContainer [2025-01-09 18:39:16,929 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 18:39:16,930 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 18:39:16,930 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 18:39:16,930 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 18:39:16,931 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:37:58" (3/4) ... [2025-01-09 18:39:16,933 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 18:39:16,938 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_free [2025-01-09 18:39:16,938 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_do_close [2025-01-09 18:39:16,939 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_add_timer [2025-01-09 18:39:16,939 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#11 [2025-01-09 18:39:16,939 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#12 [2025-01-09 18:39:16,939 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#10 [2025-01-09 18:39:16,939 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#15 [2025-01-09 18:39:16,939 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_irq_1 [2025-01-09 18:39:16,939 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#16 [2025-01-09 18:39:16,939 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure reg_timer_2 [2025-01-09 18:39:16,939 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#13 [2025-01-09 18:39:16,939 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#14 [2025-01-09 18:39:16,939 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_io_loop [2025-01-09 18:39:16,940 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#19 [2025-01-09 18:39:16,940 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2025-01-09 18:39:16,940 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#17 [2025-01-09 18:39:16,941 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#18 [2025-01-09 18:39:16,941 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_del_timer [2025-01-09 18:39:16,941 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_serial_unregister_all [2025-01-09 18:39:16,941 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_output_byte [2025-01-09 18:39:16,941 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_unlock [2025-01-09 18:39:16,941 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_lock [2025-01-09 18:39:16,941 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure platform_device_unregister [2025-01-09 18:39:16,941 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2025-01-09 18:39:16,941 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-01-09 18:39:16,941 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_buffer_output [2025-01-09 18:39:16,941 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_rawmidi_receive [2025-01-09 18:39:16,941 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_substreams [2025-01-09 18:39:16,941 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_input_trigger [2025-01-09 18:39:16,941 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_card_free [2025-01-09 18:39:16,942 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure platform_get_drvdata [2025-01-09 18:39:16,942 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2025-01-09 18:39:16,942 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#1 [2025-01-09 18:39:16,942 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#0 [2025-01-09 18:39:16,942 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-01-09 18:39:16,942 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_output_trigger [2025-01-09 18:39:16,942 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure inb [2025-01-09 18:39:16,942 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2025-01-09 18:39:16,942 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2025-01-09 18:39:16,942 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-01-09 18:39:16,942 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#7 [2025-01-09 18:39:16,942 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#22 [2025-01-09 18:39:16,943 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#6 [2025-01-09 18:39:16,943 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#23 [2025-01-09 18:39:16,943 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#9 [2025-01-09 18:39:16,943 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#20 [2025-01-09 18:39:16,943 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_do_open [2025-01-09 18:39:16,943 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#8 [2025-01-09 18:39:16,944 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#21 [2025-01-09 18:39:16,944 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#3 [2025-01-09 18:39:16,944 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#2 [2025-01-09 18:39:16,944 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#5 [2025-01-09 18:39:16,944 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#24 [2025-01-09 18:39:16,944 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2025-01-09 18:39:16,944 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#4 [2025-01-09 18:39:16,944 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure __snd_printk [2025-01-09 18:39:16,945 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_rawmidi_set_ops [2025-01-09 18:39:16,945 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_write_buffer [2025-01-09 18:39:16,945 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2025-01-09 18:39:16,980 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 235 nodes and edges [2025-01-09 18:39:16,984 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges [2025-01-09 18:39:16,986 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2025-01-09 18:39:16,989 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-01-09 18:39:16,991 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-01-09 18:39:16,993 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 18:39:17,033 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(ldv_spin) == 0) && (ldv_retval_2 == 0)) [2025-01-09 18:39:17,153 WARN L140 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(ldv_spin) == 0) && (ldv_retval_2 == 0)) [2025-01-09 18:39:17,190 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 18:39:17,191 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 18:39:17,191 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 18:39:17,192 INFO L158 Benchmark]: Toolchain (without parser) took 90454.91ms. Allocated memory was 167.8MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 128.6MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 186.9MB. Max. memory is 16.1GB. [2025-01-09 18:39:17,192 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 201.3MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 18:39:17,192 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1125.08ms. Allocated memory is still 167.8MB. Free memory was 128.6MB in the beginning and 49.8MB in the end (delta: 78.8MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2025-01-09 18:39:17,193 INFO L158 Benchmark]: Boogie Procedure Inliner took 189.24ms. Allocated memory is still 167.8MB. Free memory was 49.8MB in the beginning and 114.5MB in the end (delta: -64.7MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2025-01-09 18:39:17,193 INFO L158 Benchmark]: Boogie Preprocessor took 241.21ms. Allocated memory is still 167.8MB. Free memory was 114.5MB in the beginning and 72.5MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-01-09 18:39:17,193 INFO L158 Benchmark]: RCFGBuilder took 10093.11ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 72.5MB in the beginning and 156.1MB in the end (delta: -83.5MB). Peak memory consumption was 112.5MB. Max. memory is 16.1GB. [2025-01-09 18:39:17,193 INFO L158 Benchmark]: TraceAbstraction took 78538.64ms. Allocated memory was 243.3MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 154.9MB in the beginning and 2.6GB in the end (delta: -2.4GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2025-01-09 18:39:17,194 INFO L158 Benchmark]: Witness Printer took 261.39ms. Allocated memory is still 2.7GB. Free memory was 2.6GB in the beginning and 2.5GB in the end (delta: 37.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-01-09 18:39:17,194 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 201.3MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1125.08ms. Allocated memory is still 167.8MB. Free memory was 128.6MB in the beginning and 49.8MB in the end (delta: 78.8MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 189.24ms. Allocated memory is still 167.8MB. Free memory was 49.8MB in the beginning and 114.5MB in the end (delta: -64.7MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 241.21ms. Allocated memory is still 167.8MB. Free memory was 114.5MB in the beginning and 72.5MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * RCFGBuilder took 10093.11ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 72.5MB in the beginning and 156.1MB in the end (delta: -83.5MB). Peak memory consumption was 112.5MB. Max. memory is 16.1GB. * TraceAbstraction took 78538.64ms. Allocated memory was 243.3MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 154.9MB in the beginning and 2.6GB in the end (delta: -2.4GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * Witness Printer took 261.39ms. Allocated memory is still 2.7GB. Free memory was 2.6GB in the beginning and 2.5GB in the end (delta: 37.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 2619]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port___0)); [2619] - GenericResultAtLocation [Line: 2627]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port___0)); [2627] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 2700]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 60 procedures, 846 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 51.2s, OverallIterations: 6, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2215 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2215 mSDsluCounter, 11665 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5531 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 6134 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1187occurred in iteration=5, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 383 NumberOfCodeBlocks, 383 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 377 ConstructedInterpolants, 0 QuantifiedInterpolants, 481 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 97/97 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3061]: Location Invariant Derived location invariant: (ldv_retval_2 == 0) - InvariantResult [Line: 3636]: Loop Invariant Derived loop invariant: ((ldv_spin == 0) && (ldv_retval_2 == 0)) - InvariantResult [Line: 3432]: Location Invariant Derived location invariant: ((\old(ldv_spin) == 0) && (ldv_retval_2 == 0)) - InvariantResult [Line: 3734]: Loop Invariant Derived loop invariant: ((ldv_spin == 0) && (ldv_retval_2 == 0)) - InvariantResult [Line: 3072]: Location Invariant Derived location invariant: (ldv_retval_2 == 0) - InvariantResult [Line: 3399]: Location Invariant Derived location invariant: (ldv_retval_2 == 0) RESULT: Ultimate proved your program to be correct! [2025-01-09 18:39:17,300 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE