./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32822-a83e-41d9-84e4-6275a014bea6/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32822-a83e-41d9-84e4-6275a014bea6/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32822-a83e-41d9-84e4-6275a014bea6/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32822-a83e-41d9-84e4-6275a014bea6/bin/uautomizer-verify-aQ6SnzHsRB/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32822-a83e-41d9-84e4-6275a014bea6/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32822-a83e-41d9-84e4-6275a014bea6/bin/uautomizer-verify-aQ6SnzHsRB --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-dev-d790fec [2024-11-28 02:51:47,690 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:51:47,768 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32822-a83e-41d9-84e4-6275a014bea6/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 02:51:47,775 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:51:47,775 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:51:47,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:51:47,808 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:51:47,808 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:51:47,809 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:51:47,809 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:51:47,809 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:51:47,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:51:47,810 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:51:47,810 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:51:47,810 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:51:47,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:51:47,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:51:47,810 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:51:47,810 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:51:47,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:51:47,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:51:47,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:51:47,812 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:51:47,812 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:51:47,812 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:51:47,812 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:51:47,812 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:51:47,812 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:51:47,813 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:51:47,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:51:47,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:51:47,813 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:51:47,813 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:51:47,814 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:51:47,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:51:47,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:51:47,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:51:47,814 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:51:47,815 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:51:47,815 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:51:47,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:51:47,815 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:51:47,815 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:51:47,815 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:51:47,815 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:51:47,816 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32822-a83e-41d9-84e4-6275a014bea6/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c850114a14157388fff72c3ea545dc39574a5dacf1bf063210a2e523cf9f3a54 [2024-11-28 02:51:48,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:51:48,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:51:48,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:51:48,157 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:51:48,157 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:51:48,160 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32822-a83e-41d9-84e4-6275a014bea6/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i [2024-11-28 02:51:51,545 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32822-a83e-41d9-84e4-6275a014bea6/bin/uautomizer-verify-aQ6SnzHsRB/data/f54fc80a3/a1be4fc4bb824f6c8814249ddf77254f/FLAG427fffc64 [2024-11-28 02:51:52,126 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:51:52,127 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32822-a83e-41d9-84e4-6275a014bea6/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i [2024-11-28 02:51:52,178 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32822-a83e-41d9-84e4-6275a014bea6/bin/uautomizer-verify-aQ6SnzHsRB/data/f54fc80a3/a1be4fc4bb824f6c8814249ddf77254f/FLAG427fffc64 [2024-11-28 02:51:52,195 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32822-a83e-41d9-84e4-6275a014bea6/bin/uautomizer-verify-aQ6SnzHsRB/data/f54fc80a3/a1be4fc4bb824f6c8814249ddf77254f [2024-11-28 02:51:52,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:51:52,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:51:52,204 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:51:52,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:51:52,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:51:52,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:51:52" (1/1) ... [2024-11-28 02:51:52,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe4149f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:52, skipping insertion in model container [2024-11-28 02:51:52,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:51:52" (1/1) ... [2024-11-28 02:51:52,294 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:51:52,860 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2482] [2024-11-28 02:51:52,860 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2483-2484] [2024-11-28 02:51:53,094 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32822-a83e-41d9-84e4-6275a014bea6/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i[72349,72362] [2024-11-28 02:51:53,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:51:53,655 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:51:53,859 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2482] [2024-11-28 02:51:53,860 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2483-2484] [2024-11-28 02:51:53,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port___0)); [2619] [2024-11-28 02:51:53,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port___0)); [2627] [2024-11-28 02:51:53,877 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32822-a83e-41d9-84e4-6275a014bea6/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i[72349,72362] [2024-11-28 02:51:54,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:51:54,153 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:51:54,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:54 WrapperNode [2024-11-28 02:51:54,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:51:54,158 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:51:54,158 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:51:54,158 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:51:54,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:54" (1/1) ... [2024-11-28 02:51:54,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:54" (1/1) ... [2024-11-28 02:51:54,349 INFO L138 Inliner]: procedures = 142, calls = 1053, calls flagged for inlining = 73, calls inlined = 71, statements flattened = 2187 [2024-11-28 02:51:54,349 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:51:54,350 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:51:54,350 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:51:54,350 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:51:54,359 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:54" (1/1) ... [2024-11-28 02:51:54,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:54" (1/1) ... [2024-11-28 02:51:54,373 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:54" (1/1) ... [2024-11-28 02:51:54,602 INFO L175 MemorySlicer]: Split 753 memory accesses to 25 slices as follows [6, 34, 34, 34, 34, 34, 34, 34, 39, 40, 36, 34, 34, 8, 6, 229, 7, 2, 8, 8, 9, 16, 24, 6, 3]. 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, 32, 8, 0, 7, 0, 2, 0, 0, 0, 16, 0, 0, 0]. The 474 writes are split as follows [0, 33, 33, 33, 33, 33, 33, 33, 35, 36, 33, 33, 1, 0, 0, 67, 1, 0, 0, 0, 9, 0, 24, 1, 3]. [2024-11-28 02:51:54,603 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:54" (1/1) ... [2024-11-28 02:51:54,603 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:54" (1/1) ... [2024-11-28 02:51:54,735 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:54" (1/1) ... [2024-11-28 02:51:54,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:54" (1/1) ... [2024-11-28 02:51:54,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:54" (1/1) ... [2024-11-28 02:51:54,798 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:54" (1/1) ... [2024-11-28 02:51:54,815 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:54" (1/1) ... [2024-11-28 02:51:54,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:51:54,837 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:51:54,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:51:54,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:51:54,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:54" (1/1) ... [2024-11-28 02:51:54,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:51:54,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32822-a83e-41d9-84e4-6275a014bea6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:51:54,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32822-a83e-41d9-84e4-6275a014bea6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:51:54,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32822-a83e-41d9-84e4-6275a014bea6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:51:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_free [2024-11-28 02:51:54,905 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_free [2024-11-28 02:51:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_do_close [2024-11-28 02:51:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_do_close [2024-11-28 02:51:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-11-28 02:51:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-11-28 02:51:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-11-28 02:51:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-11-28 02:51:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-11-28 02:51:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-11-28 02:51:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-11-28 02:51:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-11-28 02:51:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-11-28 02:51:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-11-28 02:51:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-11-28 02:51:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-11-28 02:51:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-11-28 02:51:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-11-28 02:51:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-11-28 02:51:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-11-28 02:51:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-11-28 02:51:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-11-28 02:51:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-11-28 02:51:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2024-11-28 02:51:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2024-11-28 02:51:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#21 [2024-11-28 02:51:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#22 [2024-11-28 02:51:54,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#23 [2024-11-28 02:51:54,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#24 [2024-11-28 02:51:54,911 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-11-28 02:51:54,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-11-28 02:51:54,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-11-28 02:51:54,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-11-28 02:51:54,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-11-28 02:51:54,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-11-28 02:51:54,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-11-28 02:51:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-11-28 02:51:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-11-28 02:51:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-11-28 02:51:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-11-28 02:51:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-11-28 02:51:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-11-28 02:51:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-11-28 02:51:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-11-28 02:51:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-11-28 02:51:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-11-28 02:51:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-11-28 02:51:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-11-28 02:51:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2024-11-28 02:51:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2024-11-28 02:51:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#21 [2024-11-28 02:51:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#22 [2024-11-28 02:51:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#23 [2024-11-28 02:51:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#24 [2024-11-28 02:51:54,915 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_add_timer [2024-11-28 02:51:54,916 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_add_timer [2024-11-28 02:51:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 02:51:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 02:51:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 02:51:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 02:51:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 02:51:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 02:51:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 02:51:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 02:51:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 02:51:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 02:51:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 02:51:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 02:51:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 02:51:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 02:51:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 02:51:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 02:51:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-28 02:51:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-28 02:51:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-28 02:51:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-28 02:51:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-28 02:51:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-28 02:51:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-28 02:51:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-28 02:51:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-28 02:51:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_io_loop [2024-11-28 02:51:54,917 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_io_loop [2024-11-28 02:51:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 02:51:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 02:51:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 02:51:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 02:51:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 02:51:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 02:51:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 02:51:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 02:51:54,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 02:51:54,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 02:51:54,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 02:51:54,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 02:51:54,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 02:51:54,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 02:51:54,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 02:51:54,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 02:51:54,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-28 02:51:54,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-28 02:51:54,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-28 02:51:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-28 02:51:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-28 02:51:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-28 02:51:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-28 02:51:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-28 02:51:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-11-28 02:51:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 02:51:54,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 02:51:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:51:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 02:51:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 02:51:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 02:51:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 02:51:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 02:51:54,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 02:51:54,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 02:51:54,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 02:51:54,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 02:51:54,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 02:51:54,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 02:51:54,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 02:51:54,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 02:51:54,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 02:51:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 02:51:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 02:51:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 02:51:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-28 02:51:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-28 02:51:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-28 02:51:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-28 02:51:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-28 02:51:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-28 02:51:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-28 02:51:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_del_timer [2024-11-28 02:51:54,927 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_del_timer [2024-11-28 02:51:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-28 02:51:54,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-28 02:51:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 02:51:54,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 02:51:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_buffer_output [2024-11-28 02:51:54,927 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_buffer_output [2024-11-28 02:51:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_substreams [2024-11-28 02:51:54,927 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_substreams [2024-11-28 02:51:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:51:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 02:51:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 02:51:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 02:51:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 02:51:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 02:51:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 02:51:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 02:51:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 02:51:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 02:51:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 02:51:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 02:51:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 02:51:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 02:51:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 02:51:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 02:51:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 02:51:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 02:51:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-28 02:51:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-28 02:51:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-28 02:51:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-28 02:51:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-28 02:51:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-28 02:51:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-28 02:51:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-28 02:51:54,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-28 02:51:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_trigger [2024-11-28 02:51:54,929 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_trigger [2024-11-28 02:51:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:51:54,929 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:51:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_do_open [2024-11-28 02:51:54,929 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_do_open [2024-11-28 02:51:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 02:51:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:51:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 02:51:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 02:51:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 02:51:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 02:51:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 02:51:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 02:51:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 02:51:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 02:51:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 02:51:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 02:51:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 02:51:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 02:51:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 02:51:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 02:51:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 02:51:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 02:51:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 02:51:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-28 02:51:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-28 02:51:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-28 02:51:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-28 02:51:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-28 02:51:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-28 02:51:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-28 02:51:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-28 02:51:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-28 02:51:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-28 02:51:54,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-28 02:51:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-11-28 02:51:54,931 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-11-28 02:51:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 02:51:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 02:51:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 02:51:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 02:51:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 02:51:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 02:51:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 02:51:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 02:51:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 02:51:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 02:51:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 02:51:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 02:51:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 02:51:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 02:51:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 02:51:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 02:51:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-28 02:51:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-28 02:51:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-28 02:51:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-28 02:51:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-28 02:51:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-28 02:51:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-28 02:51:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-28 02:51:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-28 02:51:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure snd_serial_unregister_all [2024-11-28 02:51:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_serial_unregister_all [2024-11-28 02:51:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_byte [2024-11-28 02:51:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_byte [2024-11-28 02:51:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-28 02:51:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-28 02:51:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2024-11-28 02:51:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2024-11-28 02:51:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-28 02:51:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-28 02:51:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_receive [2024-11-28 02:51:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_receive [2024-11-28 02:51:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_input_trigger [2024-11-28 02:51:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_input_trigger [2024-11-28 02:51:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 02:51:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 02:51:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 02:51:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 02:51:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 02:51:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 02:51:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 02:51:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 02:51:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 02:51:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 02:51:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 02:51:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 02:51:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-28 02:51:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-28 02:51:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-28 02:51:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-28 02:51:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-28 02:51:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-28 02:51:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-28 02:51:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-28 02:51:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-28 02:51:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-28 02:51:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-28 02:51:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-28 02:51:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-28 02:51:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-11-28 02:51:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2024-11-28 02:51:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2024-11-28 02:51:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-11-28 02:51:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-11-28 02:51:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 02:51:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 02:51:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-28 02:51:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-28 02:51:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-28 02:51:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-28 02:51:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-28 02:51:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-28 02:51:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:51:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:51:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 02:51:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 02:51:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 02:51:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 02:51:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 02:51:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 02:51:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 02:51:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 02:51:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 02:51:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 02:51:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 02:51:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 02:51:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 02:51:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 02:51:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 02:51:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 02:51:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-28 02:51:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-28 02:51:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-28 02:51:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-28 02:51:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-28 02:51:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-28 02:51:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-28 02:51:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-28 02:51:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-28 02:51:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure __snd_printk [2024-11-28 02:51:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __snd_printk [2024-11-28 02:51:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:51:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:51:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_set_ops [2024-11-28 02:51:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_set_ops [2024-11-28 02:51:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_write_buffer [2024-11-28 02:51:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_write_buffer [2024-11-28 02:51:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-28 02:51:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-28 02:51:55,723 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:51:55,729 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:51:56,231 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 02:52:07,744 INFO L? ?]: Removed 1015 outVars from TransFormulas that were not future-live. [2024-11-28 02:52:07,744 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:52:07,772 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:52:07,773 INFO L312 CfgBuilder]: Removed 27 assume(true) statements. [2024-11-28 02:52:07,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:52:07 BoogieIcfgContainer [2024-11-28 02:52:07,773 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:52:07,775 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:52:07,776 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:52:07,781 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:52:07,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:51:52" (1/3) ... [2024-11-28 02:52:07,782 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bfc0c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:52:07, skipping insertion in model container [2024-11-28 02:52:07,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:51:54" (2/3) ... [2024-11-28 02:52:07,782 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bfc0c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:52:07, skipping insertion in model container [2024-11-28 02:52:07,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:52:07" (3/3) ... [2024-11-28 02:52:07,784 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 [2024-11-28 02:52:07,802 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:52:07,806 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. [2024-11-28 02:52:07,918 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:52:07,938 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;@1129952e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:52:07,938 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:52:07,949 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) [2024-11-28 02:52:07,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-28 02:52:07,981 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:52:07,982 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] [2024-11-28 02:52:07,982 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:52:07,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:52:07,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1644862142, now seen corresponding path program 1 times [2024-11-28 02:52:08,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:52:08,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104757941] [2024-11-28 02:52:08,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:52:08,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:52:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:52:21,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 02:52:21,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:52:21,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104757941] [2024-11-28 02:52:21,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104757941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:52:21,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:52:21,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:52:21,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668849564] [2024-11-28 02:52:21,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:52:21,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:52:21,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:52:21,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:52:21,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:52:21,425 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) [2024-11-28 02:52:21,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:52:21,930 INFO L93 Difference]: Finished difference Result 1944 states and 2843 transitions. [2024-11-28 02:52:21,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:52:21,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2024-11-28 02:52:21,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:52:21,977 INFO L225 Difference]: With dead ends: 1944 [2024-11-28 02:52:21,980 INFO L226 Difference]: Without dead ends: 1185 [2024-11-28 02:52:21,992 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 [2024-11-28 02:52:21,996 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:52:21,998 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 2095 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:52:22,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2024-11-28 02:52:22,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1184. [2024-11-28 02:52:22,200 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) [2024-11-28 02:52:22,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1704 transitions. [2024-11-28 02:52:22,237 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1704 transitions. Word has length 35 [2024-11-28 02:52:22,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:52:22,237 INFO L471 AbstractCegarLoop]: Abstraction has 1184 states and 1704 transitions. [2024-11-28 02:52:22,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 02:52:22,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1704 transitions. [2024-11-28 02:52:22,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-28 02:52:22,259 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:52:22,259 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] [2024-11-28 02:52:22,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:52:22,260 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:52:22,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:52:22,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1773914234, now seen corresponding path program 1 times [2024-11-28 02:52:22,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:52:22,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215615571] [2024-11-28 02:52:22,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:52:22,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:52:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:52:35,029 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-28 02:52:35,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:52:35,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215615571] [2024-11-28 02:52:35,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215615571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:52:35,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:52:35,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:52:35,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601069685] [2024-11-28 02:52:35,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:52:35,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:52:35,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:52:35,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:52:35,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:52:35,037 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) [2024-11-28 02:52:35,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:52:35,309 INFO L93 Difference]: Finished difference Result 2365 states and 3405 transitions. [2024-11-28 02:52:35,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:52:35,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 58 [2024-11-28 02:52:35,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:52:35,319 INFO L225 Difference]: With dead ends: 2365 [2024-11-28 02:52:35,319 INFO L226 Difference]: Without dead ends: 1184 [2024-11-28 02:52:35,325 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 [2024-11-28 02:52:35,326 INFO L435 NwaCegarLoop]: 1013 mSDtfsCounter, 1011 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:52:35,326 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1011 Valid, 1013 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:52:35,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2024-11-28 02:52:35,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 1184. [2024-11-28 02:52:35,404 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) [2024-11-28 02:52:35,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1702 transitions. [2024-11-28 02:52:35,423 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1702 transitions. Word has length 58 [2024-11-28 02:52:35,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:52:35,423 INFO L471 AbstractCegarLoop]: Abstraction has 1184 states and 1702 transitions. [2024-11-28 02:52:35,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 02:52:35,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1702 transitions. [2024-11-28 02:52:35,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-28 02:52:35,434 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:52:35,435 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] [2024-11-28 02:52:35,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:52:35,436 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:52:35,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:52:35,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1576776416, now seen corresponding path program 1 times [2024-11-28 02:52:35,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:52:35,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203431763] [2024-11-28 02:52:35,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:52:35,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:52:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:52:47,495 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-28 02:52:47,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:52:47,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203431763] [2024-11-28 02:52:47,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203431763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:52:47,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:52:47,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:52:47,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792790055] [2024-11-28 02:52:47,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:52:47,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:52:47,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:52:47,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:52:47,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:52:47,502 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) [2024-11-28 02:52:47,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:52:47,682 INFO L93 Difference]: Finished difference Result 2366 states and 3403 transitions. [2024-11-28 02:52:47,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:52:47,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 72 [2024-11-28 02:52:47,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:52:47,697 INFO L225 Difference]: With dead ends: 2366 [2024-11-28 02:52:47,698 INFO L226 Difference]: Without dead ends: 1185 [2024-11-28 02:52:47,704 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 [2024-11-28 02:52:47,707 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 [2024-11-28 02:52:47,708 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] [2024-11-28 02:52:47,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2024-11-28 02:52:47,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1185. [2024-11-28 02:52:47,789 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) [2024-11-28 02:52:47,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1703 transitions. [2024-11-28 02:52:47,805 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1703 transitions. Word has length 72 [2024-11-28 02:52:47,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:52:47,806 INFO L471 AbstractCegarLoop]: Abstraction has 1185 states and 1703 transitions. [2024-11-28 02:52:47,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 02:52:47,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1703 transitions. [2024-11-28 02:52:47,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-28 02:52:47,813 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:52:47,814 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] [2024-11-28 02:52:47,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:52:47,814 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:52:47,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:52:47,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1710789922, now seen corresponding path program 1 times [2024-11-28 02:52:47,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:52:47,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119883828] [2024-11-28 02:52:47,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:52:47,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:52:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:53:00,626 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-28 02:53:00,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:53:00,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119883828] [2024-11-28 02:53:00,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119883828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:53:00,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:53:00,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:53:00,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53004010] [2024-11-28 02:53:00,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:53:00,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:53:00,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:53:00,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:53:00,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:53:00,628 INFO L87 Difference]: Start difference. First operand 1185 states and 1703 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 02:53:00,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:53:00,803 INFO L93 Difference]: Finished difference Result 2368 states and 3405 transitions. [2024-11-28 02:53:00,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:53:00,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 72 [2024-11-28 02:53:00,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:53:00,820 INFO L225 Difference]: With dead ends: 2368 [2024-11-28 02:53:00,821 INFO L226 Difference]: Without dead ends: 1186 [2024-11-28 02:53:00,827 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 [2024-11-28 02:53:00,829 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 [2024-11-28 02:53:00,831 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] [2024-11-28 02:53:00,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2024-11-28 02:53:00,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1186. [2024-11-28 02:53:00,906 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) [2024-11-28 02:53:00,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1704 transitions. [2024-11-28 02:53:00,922 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1704 transitions. Word has length 72 [2024-11-28 02:53:00,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:53:00,924 INFO L471 AbstractCegarLoop]: Abstraction has 1186 states and 1704 transitions. [2024-11-28 02:53:00,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 02:53:00,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1704 transitions. [2024-11-28 02:53:00,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-28 02:53:00,934 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:53:00,934 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] [2024-11-28 02:53:00,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:53:00,934 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:53:00,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:53:00,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1491935204, now seen corresponding path program 1 times [2024-11-28 02:53:00,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:53:00,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529312162] [2024-11-28 02:53:00,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:53:00,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:53:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:53:13,595 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-28 02:53:13,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:53:13,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529312162] [2024-11-28 02:53:13,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529312162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:53:13,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:53:13,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:53:13,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100800458] [2024-11-28 02:53:13,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:53:13,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:53:13,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:53:13,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:53:13,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:53:13,599 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) [2024-11-28 02:53:13,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:53:13,751 INFO L93 Difference]: Finished difference Result 1190 states and 1708 transitions. [2024-11-28 02:53:13,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:53:13,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 72 [2024-11-28 02:53:13,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:53:13,766 INFO L225 Difference]: With dead ends: 1190 [2024-11-28 02:53:13,766 INFO L226 Difference]: Without dead ends: 1187 [2024-11-28 02:53:13,767 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 [2024-11-28 02:53:13,770 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 [2024-11-28 02:53:13,770 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] [2024-11-28 02:53:13,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2024-11-28 02:53:13,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1187. [2024-11-28 02:53:13,853 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) [2024-11-28 02:53:13,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1705 transitions. [2024-11-28 02:53:13,868 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1705 transitions. Word has length 72 [2024-11-28 02:53:13,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:53:13,871 INFO L471 AbstractCegarLoop]: Abstraction has 1187 states and 1705 transitions. [2024-11-28 02:53:13,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-28 02:53:13,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1705 transitions. [2024-11-28 02:53:13,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-28 02:53:13,879 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:53:13,879 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] [2024-11-28 02:53:13,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:53:13,879 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:53:13,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:53:13,880 INFO L85 PathProgramCache]: Analyzing trace with hash 793099888, now seen corresponding path program 1 times [2024-11-28 02:53:13,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:53:13,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254062873] [2024-11-28 02:53:13,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:53:13,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:53:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:53:27,103 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-28 02:53:27,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:53:27,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254062873] [2024-11-28 02:53:27,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254062873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:53:27,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:53:27,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:53:27,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295348913] [2024-11-28 02:53:27,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:53:27,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:53:27,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:53:27,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:53:27,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:53:27,106 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) [2024-11-28 02:53:27,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:53:27,351 INFO L93 Difference]: Finished difference Result 2372 states and 3403 transitions. [2024-11-28 02:53:27,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:53:27,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 74 [2024-11-28 02:53:27,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:53:27,356 INFO L225 Difference]: With dead ends: 2372 [2024-11-28 02:53:27,356 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 02:53:27,366 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:53:27,367 INFO L435 NwaCegarLoop]: 1007 mSDtfsCounter, 483 mSDsluCounter, 1490 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2024-11-28 02:53:27,368 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] [2024-11-28 02:53:27,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 02:53:27,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 02:53:27,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:53:27,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 02:53:27,373 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2024-11-28 02:53:27,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:53:27,374 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:53:27,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-28 02:53:27,374 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 02:53:27,375 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 02:53:27,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:53:27,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:53:27,383 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-28 02:53:27,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 02:53:53,922 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:53:53,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:53:53 BoogieIcfgContainer [2024-11-28 02:53:53,944 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:53:53,945 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:53:53,945 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:53:53,945 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:53:53,946 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:52:07" (3/4) ... [2024-11-28 02:53:53,949 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:53:53,957 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_free [2024-11-28 02:53:53,957 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_do_close [2024-11-28 02:53:53,957 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_add_timer [2024-11-28 02:53:53,958 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#11 [2024-11-28 02:53:53,958 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#12 [2024-11-28 02:53:53,958 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#10 [2024-11-28 02:53:53,958 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#15 [2024-11-28 02:53:53,958 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_irq_1 [2024-11-28 02:53:53,958 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#16 [2024-11-28 02:53:53,958 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reg_timer_2 [2024-11-28 02:53:53,958 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#13 [2024-11-28 02:53:53,958 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#14 [2024-11-28 02:53:53,958 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_io_loop [2024-11-28 02:53:53,959 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#19 [2024-11-28 02:53:53,959 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-11-28 02:53:53,959 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#17 [2024-11-28 02:53:53,959 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#18 [2024-11-28 02:53:53,959 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_del_timer [2024-11-28 02:53:53,959 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_serial_unregister_all [2024-11-28 02:53:53,959 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_output_byte [2024-11-28 02:53:53,959 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_unlock [2024-11-28 02:53:53,959 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_lock [2024-11-28 02:53:53,959 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure platform_device_unregister [2024-11-28 02:53:53,960 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2024-11-28 02:53:53,960 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-28 02:53:53,960 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_buffer_output [2024-11-28 02:53:53,960 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_rawmidi_receive [2024-11-28 02:53:53,960 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_substreams [2024-11-28 02:53:53,960 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_input_trigger [2024-11-28 02:53:53,960 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_card_free [2024-11-28 02:53:53,960 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure platform_get_drvdata [2024-11-28 02:53:53,960 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-11-28 02:53:53,960 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#1 [2024-11-28 02:53:53,961 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#0 [2024-11-28 02:53:53,961 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-28 02:53:53,961 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_output_trigger [2024-11-28 02:53:53,961 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure inb [2024-11-28 02:53:53,961 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2024-11-28 02:53:53,961 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2024-11-28 02:53:53,961 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-28 02:53:53,961 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#7 [2024-11-28 02:53:53,961 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#22 [2024-11-28 02:53:53,961 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#6 [2024-11-28 02:53:53,961 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#23 [2024-11-28 02:53:53,962 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#9 [2024-11-28 02:53:53,962 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#20 [2024-11-28 02:53:53,962 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_do_open [2024-11-28 02:53:53,962 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#8 [2024-11-28 02:53:53,962 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#21 [2024-11-28 02:53:53,962 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#3 [2024-11-28 02:53:53,962 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#2 [2024-11-28 02:53:53,962 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#5 [2024-11-28 02:53:53,962 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#24 [2024-11-28 02:53:53,963 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2024-11-28 02:53:53,963 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#4 [2024-11-28 02:53:53,963 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __snd_printk [2024-11-28 02:53:53,963 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_rawmidi_set_ops [2024-11-28 02:53:53,963 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_write_buffer [2024-11-28 02:53:53,963 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2024-11-28 02:53:54,006 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 235 nodes and edges [2024-11-28 02:53:54,011 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges [2024-11-28 02:53:54,016 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2024-11-28 02:53:54,021 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-28 02:53:54,025 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-28 02:53:54,029 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:53:54,072 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(ldv_spin) == 0) && (ldv_retval_2 == 0)) [2024-11-28 02:53:54,301 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(ldv_spin) == 0) && (ldv_retval_2 == 0)) [2024-11-28 02:53:54,382 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32822-a83e-41d9-84e4-6275a014bea6/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:53:54,383 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32822-a83e-41d9-84e4-6275a014bea6/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:53:54,383 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:53:54,385 INFO L158 Benchmark]: Toolchain (without parser) took 122181.95ms. Allocated memory was 117.4MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 87.2MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-28 02:53:54,387 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:53:54,388 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1953.39ms. Allocated memory is still 117.4MB. Free memory was 87.2MB in the beginning and 60.1MB in the end (delta: 27.1MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. [2024-11-28 02:53:54,388 INFO L158 Benchmark]: Boogie Procedure Inliner took 191.10ms. Allocated memory is still 117.4MB. Free memory was 60.0MB in the beginning and 46.1MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:53:54,388 INFO L158 Benchmark]: Boogie Preprocessor took 486.81ms. Allocated memory is still 117.4MB. Free memory was 46.1MB in the beginning and 44.0MB in the end (delta: 2.0MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2024-11-28 02:53:54,390 INFO L158 Benchmark]: RCFGBuilder took 12936.45ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 44.0MB in the beginning and 72.3MB in the end (delta: -28.2MB). Peak memory consumption was 122.1MB. Max. memory is 16.1GB. [2024-11-28 02:53:54,391 INFO L158 Benchmark]: TraceAbstraction took 106168.63ms. Allocated memory was 234.9MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 72.3MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 961.9MB. Max. memory is 16.1GB. [2024-11-28 02:53:54,391 INFO L158 Benchmark]: Witness Printer took 438.09ms. Allocated memory is still 2.5GB. Free memory was 1.4GB in the beginning and 1.3GB in the end (delta: 36.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-28 02:53:54,396 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1953.39ms. Allocated memory is still 117.4MB. Free memory was 87.2MB in the beginning and 60.1MB in the end (delta: 27.1MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 191.10ms. Allocated memory is still 117.4MB. Free memory was 60.0MB in the beginning and 46.1MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 486.81ms. Allocated memory is still 117.4MB. Free memory was 46.1MB in the beginning and 44.0MB in the end (delta: 2.0MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * RCFGBuilder took 12936.45ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 44.0MB in the beginning and 72.3MB in the end (delta: -28.2MB). Peak memory consumption was 122.1MB. Max. memory is 16.1GB. * TraceAbstraction took 106168.63ms. Allocated memory was 234.9MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 72.3MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 961.9MB. Max. memory is 16.1GB. * Witness Printer took 438.09ms. Allocated memory is still 2.5GB. Free memory was 1.4GB in the beginning and 1.3GB in the end (delta: 36.6MB). 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: 79.5s, OverallIterations: 6, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2215 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2215 mSDsluCounter, 11665 SdHoareTripleChecker+Invalid, 0.7s 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, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s 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: 0.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 5.0s 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! [2024-11-28 02:53:54,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32822-a83e-41d9-84e4-6275a014bea6/bin/uautomizer-verify-aQ6SnzHsRB/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