./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc76f725-c761-4887-bdc8-ee7fe909ef70/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc76f725-c761-4887-bdc8-ee7fe909ef70/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc76f725-c761-4887-bdc8-ee7fe909ef70/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc76f725-c761-4887-bdc8-ee7fe909ef70/bin/uautomizer-verify-LYvppIcaGC/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_fc76f725-c761-4887-bdc8-ee7fe909ef70/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc76f725-c761-4887-bdc8-ee7fe909ef70/bin/uautomizer-verify-LYvppIcaGC --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-6497de0 [2024-11-24 01:27:27,747 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:27:27,831 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc76f725-c761-4887-bdc8-ee7fe909ef70/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 01:27:27,837 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:27:27,837 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:27:27,869 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:27:27,871 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:27:27,872 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:27:27,872 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:27:27,873 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:27:27,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:27:27,874 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:27:27,875 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:27:27,875 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:27:27,875 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:27:27,875 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:27:27,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:27:27,875 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:27:27,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:27:27,876 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:27:27,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:27:27,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:27:27,876 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:27:27,876 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:27:27,876 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:27:27,876 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:27:27,876 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:27:27,878 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:27:27,878 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:27:27,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:27:27,879 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:27:27,879 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:27:27,879 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:27:27,880 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:27:27,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:27:27,880 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:27:27,880 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:27:27,880 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:27:27,880 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:27:27,881 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:27:27,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:27:27,881 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:27:27,881 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:27:27,881 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:27:27,882 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:27:27,882 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_fc76f725-c761-4887-bdc8-ee7fe909ef70/bin/uautomizer-verify-LYvppIcaGC 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 [2024-11-24 01:27:28,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:27:28,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:27:28,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:27:28,356 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:27:28,356 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:27:28,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc76f725-c761-4887-bdc8-ee7fe909ef70/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i [2024-11-24 01:27:32,027 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc76f725-c761-4887-bdc8-ee7fe909ef70/bin/uautomizer-verify-LYvppIcaGC/data/c0d653f06/acbf9cbdf6b741bd98f1f5ab5e76f529/FLAG016f21075 [2024-11-24 01:27:32,583 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:27:32,584 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc76f725-c761-4887-bdc8-ee7fe909ef70/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i [2024-11-24 01:27:32,634 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc76f725-c761-4887-bdc8-ee7fe909ef70/bin/uautomizer-verify-LYvppIcaGC/data/c0d653f06/acbf9cbdf6b741bd98f1f5ab5e76f529/FLAG016f21075 [2024-11-24 01:27:32,660 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc76f725-c761-4887-bdc8-ee7fe909ef70/bin/uautomizer-verify-LYvppIcaGC/data/c0d653f06/acbf9cbdf6b741bd98f1f5ab5e76f529 [2024-11-24 01:27:32,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:27:32,665 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:27:32,667 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:27:32,667 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:27:32,673 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:27:32,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:27:32" (1/1) ... [2024-11-24 01:27:32,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed96291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:32, skipping insertion in model container [2024-11-24 01:27:32,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:27:32" (1/1) ... [2024-11-24 01:27:32,778 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:27:33,210 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2482] [2024-11-24 01:27:33,211 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] [2024-11-24 01:27:33,425 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_fc76f725-c761-4887-bdc8-ee7fe909ef70/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] [2024-11-24 01:27:33,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:27:33,969 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:27:34,111 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2482] [2024-11-24 01:27:34,111 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] [2024-11-24 01:27:34,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port___0)); [2619] [2024-11-24 01:27:34,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port___0)); [2627] [2024-11-24 01:27:34,176 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_fc76f725-c761-4887-bdc8-ee7fe909ef70/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] [2024-11-24 01:27:34,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:27:34,474 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:27:34,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:34 WrapperNode [2024-11-24 01:27:34,475 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:27:34,476 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:27:34,476 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:27:34,477 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:27:34,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:34" (1/1) ... [2024-11-24 01:27:34,534 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:34" (1/1) ... [2024-11-24 01:27:34,687 INFO L138 Inliner]: procedures = 142, calls = 1053, calls flagged for inlining = 73, calls inlined = 71, statements flattened = 2187 [2024-11-24 01:27:34,688 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:27:34,688 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:27:34,688 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:27:34,689 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:27:34,698 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:34" (1/1) ... [2024-11-24 01:27:34,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:34" (1/1) ... [2024-11-24 01:27:34,731 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:34" (1/1) ... [2024-11-24 01:27:34,925 INFO L175 MemorySlicer]: Split 753 memory accesses to 25 slices as follows [6, 34, 34, 34, 3, 34, 34, 34, 34, 39, 40, 36, 34, 34, 8, 6, 229, 8, 24, 16, 2, 8, 7, 6, 9]. 30 percent of accesses are in the largest equivalence class. The 70 initializations are split as follows [5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 32, 8, 0, 7, 0, 0, 16, 2, 0, 0, 0, 0]. The 474 writes are split as follows [0, 33, 33, 33, 3, 33, 33, 33, 33, 35, 36, 33, 33, 1, 0, 0, 67, 0, 24, 0, 0, 0, 1, 1, 9]. [2024-11-24 01:27:34,925 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:34" (1/1) ... [2024-11-24 01:27:34,925 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:34" (1/1) ... [2024-11-24 01:27:35,035 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:34" (1/1) ... [2024-11-24 01:27:35,040 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:34" (1/1) ... [2024-11-24 01:27:35,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:34" (1/1) ... [2024-11-24 01:27:35,076 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:34" (1/1) ... [2024-11-24 01:27:35,088 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:34" (1/1) ... [2024-11-24 01:27:35,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:27:35,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:27:35,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:27:35,121 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:27:35,122 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:34" (1/1) ... [2024-11-24 01:27:35,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:27:35,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc76f725-c761-4887-bdc8-ee7fe909ef70/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:27:35,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc76f725-c761-4887-bdc8-ee7fe909ef70/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:27:35,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc76f725-c761-4887-bdc8-ee7fe909ef70/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:27:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_free [2024-11-24 01:27:35,201 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_free [2024-11-24 01:27:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_do_close [2024-11-24 01:27:35,201 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_do_close [2024-11-24 01:27:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-11-24 01:27:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-11-24 01:27:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-11-24 01:27:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-11-24 01:27:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-11-24 01:27:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-11-24 01:27:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-11-24 01:27:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-11-24 01:27:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-11-24 01:27:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-11-24 01:27:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-11-24 01:27:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-11-24 01:27:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-11-24 01:27:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-11-24 01:27:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-11-24 01:27:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-11-24 01:27:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-11-24 01:27:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-11-24 01:27:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-11-24 01:27:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2024-11-24 01:27:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2024-11-24 01:27:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#21 [2024-11-24 01:27:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#22 [2024-11-24 01:27:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#23 [2024-11-24 01:27:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#24 [2024-11-24 01:27:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-11-24 01:27:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-11-24 01:27:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-11-24 01:27:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-11-24 01:27:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-11-24 01:27:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-11-24 01:27:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-11-24 01:27:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-11-24 01:27:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-11-24 01:27:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-11-24 01:27:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-11-24 01:27:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-11-24 01:27:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-11-24 01:27:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-11-24 01:27:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-11-24 01:27:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-11-24 01:27:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-11-24 01:27:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-11-24 01:27:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-11-24 01:27:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2024-11-24 01:27:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2024-11-24 01:27:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#21 [2024-11-24 01:27:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#22 [2024-11-24 01:27:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#23 [2024-11-24 01:27:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#24 [2024-11-24 01:27:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_add_timer [2024-11-24 01:27:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_add_timer [2024-11-24 01:27:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 01:27:35,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 01:27:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 01:27:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 01:27:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 01:27:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 01:27:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 01:27:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 01:27:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 01:27:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 01:27:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 01:27:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 01:27:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 01:27:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-24 01:27:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-24 01:27:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-24 01:27:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-24 01:27:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-24 01:27:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-24 01:27:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-24 01:27:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-24 01:27:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-24 01:27:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-24 01:27:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-24 01:27:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-24 01:27:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_io_loop [2024-11-24 01:27:35,214 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_io_loop [2024-11-24 01:27:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 01:27:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 01:27:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 01:27:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 01:27:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 01:27:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 01:27:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 01:27:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 01:27:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 01:27:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 01:27:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 01:27:35,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 01:27:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 01:27:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-24 01:27:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-24 01:27:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-24 01:27:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-24 01:27:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-24 01:27:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-24 01:27:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-24 01:27:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-24 01:27:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-24 01:27:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-24 01:27:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-24 01:27:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-11-24 01:27:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-24 01:27:35,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-24 01:27:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:27:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:27:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 01:27:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 01:27:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 01:27:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 01:27:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 01:27:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 01:27:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 01:27:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 01:27:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 01:27:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 01:27:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 01:27:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 01:27:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-24 01:27:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-24 01:27:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-24 01:27:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-24 01:27:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-24 01:27:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-24 01:27:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-24 01:27:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-24 01:27:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-24 01:27:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-24 01:27:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-24 01:27:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_del_timer [2024-11-24 01:27:35,224 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_del_timer [2024-11-24 01:27:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-24 01:27:35,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-24 01:27:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 01:27:35,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 01:27:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_buffer_output [2024-11-24 01:27:35,227 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_buffer_output [2024-11-24 01:27:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_substreams [2024-11-24 01:27:35,227 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_substreams [2024-11-24 01:27:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 01:27:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 01:27:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 01:27:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 01:27:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 01:27:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 01:27:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 01:27:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 01:27:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 01:27:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 01:27:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 01:27:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 01:27:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 01:27:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 01:27:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-24 01:27:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-24 01:27:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-24 01:27:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-24 01:27:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-24 01:27:35,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-24 01:27:35,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-24 01:27:35,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-24 01:27:35,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-24 01:27:35,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-24 01:27:35,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-24 01:27:35,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-24 01:27:35,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-24 01:27:35,230 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_trigger [2024-11-24 01:27:35,230 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_trigger [2024-11-24 01:27:35,230 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:27:35,230 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:27:35,233 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_do_open [2024-11-24 01:27:35,233 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_do_open [2024-11-24 01:27:35,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 01:27:35,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:27:35,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 01:27:35,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 01:27:35,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 01:27:35,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 01:27:35,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 01:27:35,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 01:27:35,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 01:27:35,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 01:27:35,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 01:27:35,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 01:27:35,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 01:27:35,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 01:27:35,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 01:27:35,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 01:27:35,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-24 01:27:35,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-24 01:27:35,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-24 01:27:35,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-24 01:27:35,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-24 01:27:35,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-24 01:27:35,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-24 01:27:35,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-24 01:27:35,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-24 01:27:35,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-24 01:27:35,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-24 01:27:35,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-24 01:27:35,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-24 01:27:35,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-24 01:27:35,235 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-11-24 01:27:35,235 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-11-24 01:27:35,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 01:27:35,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 01:27:35,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 01:27:35,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 01:27:35,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 01:27:35,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 01:27:35,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 01:27:35,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 01:27:35,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 01:27:35,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 01:27:35,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 01:27:35,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 01:27:35,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 01:27:35,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-24 01:27:35,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-24 01:27:35,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-24 01:27:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-24 01:27:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-24 01:27:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-24 01:27:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-24 01:27:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-24 01:27:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-24 01:27:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-24 01:27:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-24 01:27:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-24 01:27:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure snd_serial_unregister_all [2024-11-24 01:27:35,240 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_serial_unregister_all [2024-11-24 01:27:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_byte [2024-11-24 01:27:35,240 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_byte [2024-11-24 01:27:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-24 01:27:35,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-24 01:27:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2024-11-24 01:27:35,240 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2024-11-24 01:27:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-24 01:27:35,240 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-24 01:27:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_receive [2024-11-24 01:27:35,240 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_receive [2024-11-24 01:27:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_input_trigger [2024-11-24 01:27:35,240 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_input_trigger [2024-11-24 01:27:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 01:27:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-24 01:27:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-24 01:27:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-24 01:27:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-24 01:27:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-24 01:27:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-24 01:27:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-24 01:27:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-24 01:27:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-24 01:27:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-24 01:27:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-24 01:27:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-24 01:27:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-24 01:27:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-24 01:27:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-24 01:27:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-24 01:27:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-24 01:27:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-24 01:27:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-24 01:27:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-24 01:27:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-24 01:27:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-24 01:27:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-24 01:27:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-24 01:27:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-11-24 01:27:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2024-11-24 01:27:35,242 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2024-11-24 01:27:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-11-24 01:27:35,242 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-11-24 01:27:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-24 01:27:35,242 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-24 01:27:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-24 01:27:35,242 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-24 01:27:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-24 01:27:35,242 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-24 01:27:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-24 01:27:35,242 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-24 01:27:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:27:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:27:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:27:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:27:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 01:27:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 01:27:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 01:27:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 01:27:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 01:27:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 01:27:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 01:27:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 01:27:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 01:27:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 01:27:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-24 01:27:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-24 01:27:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-24 01:27:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-24 01:27:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-24 01:27:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-24 01:27:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-24 01:27:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-24 01:27:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-24 01:27:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-24 01:27:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-24 01:27:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-24 01:27:35,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-24 01:27:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure __snd_printk [2024-11-24 01:27:35,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __snd_printk [2024-11-24 01:27:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:27:35,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:27:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_set_ops [2024-11-24 01:27:35,249 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_set_ops [2024-11-24 01:27:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_write_buffer [2024-11-24 01:27:35,249 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_write_buffer [2024-11-24 01:27:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-24 01:27:35,249 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-24 01:27:36,242 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:27:36,245 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:27:36,757 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-24 01:27:49,032 INFO L? ?]: Removed 1015 outVars from TransFormulas that were not future-live. [2024-11-24 01:27:49,032 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:27:49,081 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:27:49,089 INFO L312 CfgBuilder]: Removed 27 assume(true) statements. [2024-11-24 01:27:49,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:27:49 BoogieIcfgContainer [2024-11-24 01:27:49,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:27:49,092 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:27:49,092 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:27:49,105 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:27:49,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:27:32" (1/3) ... [2024-11-24 01:27:49,106 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bed80c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:27:49, skipping insertion in model container [2024-11-24 01:27:49,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:27:34" (2/3) ... [2024-11-24 01:27:49,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bed80c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:27:49, skipping insertion in model container [2024-11-24 01:27:49,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:27:49" (3/3) ... [2024-11-24 01:27:49,111 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 [2024-11-24 01:27:49,130 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:27:49,133 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. [2024-11-24 01:27:49,257 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:27:49,274 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;@349ad7ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:27:49,278 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:27:49,288 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) [2024-11-24 01:27:49,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-24 01:27:49,321 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:27:49,326 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] [2024-11-24 01:27:49,327 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:27:49,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:27:49,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1610321882, now seen corresponding path program 1 times [2024-11-24 01:27:49,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:27:49,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614550078] [2024-11-24 01:27:49,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:27:49,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:11,314 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 01:28:11,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:11,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614550078] [2024-11-24 01:28:11,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614550078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:11,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:11,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:28:11,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823478510] [2024-11-24 01:28:11,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:11,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:28:11,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:11,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:28:11,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:28:11,358 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) [2024-11-24 01:28:11,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:11,925 INFO L93 Difference]: Finished difference Result 1944 states and 2843 transitions. [2024-11-24 01:28:11,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:28:11,928 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 [2024-11-24 01:28:11,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:11,972 INFO L225 Difference]: With dead ends: 1944 [2024-11-24 01:28:11,972 INFO L226 Difference]: Without dead ends: 1185 [2024-11-24 01:28:11,989 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 [2024-11-24 01:28:11,992 INFO L435 NwaCegarLoop]: 1075 mSDtfsCounter, 721 mSDsluCounter, 1020 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2024-11-24 01:28:11,994 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] [2024-11-24 01:28:12,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2024-11-24 01:28:12,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1184. [2024-11-24 01:28:12,210 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) [2024-11-24 01:28:12,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1704 transitions. [2024-11-24 01:28:12,250 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1704 transitions. Word has length 35 [2024-11-24 01:28:12,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:12,253 INFO L471 AbstractCegarLoop]: Abstraction has 1184 states and 1704 transitions. [2024-11-24 01:28:12,253 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) [2024-11-24 01:28:12,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1704 transitions. [2024-11-24 01:28:12,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-24 01:28:12,270 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:12,270 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] [2024-11-24 01:28:12,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:28:12,275 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:12,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:12,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1538046074, now seen corresponding path program 1 times [2024-11-24 01:28:12,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:12,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522666159] [2024-11-24 01:28:12,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:12,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:32,414 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-24 01:28:32,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:32,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522666159] [2024-11-24 01:28:32,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522666159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:32,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:32,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:28:32,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108891736] [2024-11-24 01:28:32,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:32,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:28:32,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:32,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:28:32,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:28:32,421 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) [2024-11-24 01:28:32,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:32,736 INFO L93 Difference]: Finished difference Result 2365 states and 3405 transitions. [2024-11-24 01:28:32,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:28:32,737 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 [2024-11-24 01:28:32,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:32,759 INFO L225 Difference]: With dead ends: 2365 [2024-11-24 01:28:32,759 INFO L226 Difference]: Without dead ends: 1184 [2024-11-24 01:28:32,770 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 [2024-11-24 01:28:32,771 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 [2024-11-24 01:28:32,772 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] [2024-11-24 01:28:32,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2024-11-24 01:28:32,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 1184. [2024-11-24 01:28:32,891 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) [2024-11-24 01:28:32,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1702 transitions. [2024-11-24 01:28:32,914 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1702 transitions. Word has length 58 [2024-11-24 01:28:32,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:32,914 INFO L471 AbstractCegarLoop]: Abstraction has 1184 states and 1702 transitions. [2024-11-24 01:28:32,915 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) [2024-11-24 01:28:32,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1702 transitions. [2024-11-24 01:28:32,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-24 01:28:32,928 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:32,929 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] [2024-11-24 01:28:32,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:28:32,929 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:32,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:32,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1340908256, now seen corresponding path program 1 times [2024-11-24 01:28:32,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:32,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211285205] [2024-11-24 01:28:32,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:32,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:49,438 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-24 01:28:49,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:49,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211285205] [2024-11-24 01:28:49,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211285205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:49,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:49,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:28:49,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39774808] [2024-11-24 01:28:49,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:49,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:28:49,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:49,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:28:49,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:28:49,442 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) [2024-11-24 01:28:49,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:49,607 INFO L93 Difference]: Finished difference Result 2366 states and 3403 transitions. [2024-11-24 01:28:49,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:28:49,608 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 [2024-11-24 01:28:49,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:49,622 INFO L225 Difference]: With dead ends: 2366 [2024-11-24 01:28:49,622 INFO L226 Difference]: Without dead ends: 1185 [2024-11-24 01:28:49,627 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 [2024-11-24 01:28:49,629 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 [2024-11-24 01:28:49,630 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] [2024-11-24 01:28:49,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2024-11-24 01:28:49,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1185. [2024-11-24 01:28:49,702 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) [2024-11-24 01:28:49,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1703 transitions. [2024-11-24 01:28:49,714 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1703 transitions. Word has length 72 [2024-11-24 01:28:49,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:49,714 INFO L471 AbstractCegarLoop]: Abstraction has 1185 states and 1703 transitions. [2024-11-24 01:28:49,715 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) [2024-11-24 01:28:49,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1703 transitions. [2024-11-24 01:28:49,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-24 01:28:49,723 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:49,723 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] [2024-11-24 01:28:49,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:28:49,724 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:49,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:49,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1474921762, now seen corresponding path program 1 times [2024-11-24 01:28:49,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:49,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884049834] [2024-11-24 01:28:49,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:49,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:29:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:29:05,834 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-24 01:29:05,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:29:05,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884049834] [2024-11-24 01:29:05,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884049834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:29:05,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:29:05,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:29:05,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175739522] [2024-11-24 01:29:05,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:29:05,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:29:05,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:29:05,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:29:05,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:29:05,838 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) [2024-11-24 01:29:05,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:29:05,996 INFO L93 Difference]: Finished difference Result 2368 states and 3405 transitions. [2024-11-24 01:29:05,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:29:05,997 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 [2024-11-24 01:29:05,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:29:06,010 INFO L225 Difference]: With dead ends: 2368 [2024-11-24 01:29:06,010 INFO L226 Difference]: Without dead ends: 1186 [2024-11-24 01:29:06,015 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 [2024-11-24 01:29:06,016 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 [2024-11-24 01:29:06,017 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] [2024-11-24 01:29:06,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2024-11-24 01:29:06,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1186. [2024-11-24 01:29:06,070 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) [2024-11-24 01:29:06,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1704 transitions. [2024-11-24 01:29:06,083 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1704 transitions. Word has length 72 [2024-11-24 01:29:06,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:29:06,084 INFO L471 AbstractCegarLoop]: Abstraction has 1186 states and 1704 transitions. [2024-11-24 01:29:06,084 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) [2024-11-24 01:29:06,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1704 transitions. [2024-11-24 01:29:06,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-24 01:29:06,093 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:29:06,093 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] [2024-11-24 01:29:06,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:29:06,094 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:29:06,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:29:06,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1256067044, now seen corresponding path program 1 times [2024-11-24 01:29:06,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:29:06,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816772614] [2024-11-24 01:29:06,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:06,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:29:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:29:22,648 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-24 01:29:22,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:29:22,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816772614] [2024-11-24 01:29:22,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816772614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:29:22,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:29:22,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:29:22,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803051999] [2024-11-24 01:29:22,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:29:22,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:29:22,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:29:22,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:29:22,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:29:22,653 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) [2024-11-24 01:29:22,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:29:22,773 INFO L93 Difference]: Finished difference Result 1190 states and 1708 transitions. [2024-11-24 01:29:22,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:29:22,773 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 [2024-11-24 01:29:22,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:29:22,786 INFO L225 Difference]: With dead ends: 1190 [2024-11-24 01:29:22,786 INFO L226 Difference]: Without dead ends: 1187 [2024-11-24 01:29:22,787 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 [2024-11-24 01:29:22,789 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 [2024-11-24 01:29:22,790 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] [2024-11-24 01:29:22,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2024-11-24 01:29:22,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1187. [2024-11-24 01:29:22,847 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) [2024-11-24 01:29:22,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1705 transitions. [2024-11-24 01:29:22,859 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1705 transitions. Word has length 72 [2024-11-24 01:29:22,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:29:22,860 INFO L471 AbstractCegarLoop]: Abstraction has 1187 states and 1705 transitions. [2024-11-24 01:29:22,860 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) [2024-11-24 01:29:22,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1705 transitions. [2024-11-24 01:29:22,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-24 01:29:22,867 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:29:22,867 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] [2024-11-24 01:29:22,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:29:22,868 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:29:22,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:29:22,868 INFO L85 PathProgramCache]: Analyzing trace with hash -170865040, now seen corresponding path program 1 times [2024-11-24 01:29:22,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:29:22,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949611904] [2024-11-24 01:29:22,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:22,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:29:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:29:39,998 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-24 01:29:39,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:29:39,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949611904] [2024-11-24 01:29:39,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949611904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:29:39,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:29:39,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:29:39,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205380153] [2024-11-24 01:29:40,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:29:40,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:29:40,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:29:40,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:29:40,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:29:40,001 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) [2024-11-24 01:29:40,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:29:40,212 INFO L93 Difference]: Finished difference Result 2372 states and 3403 transitions. [2024-11-24 01:29:40,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:29:40,213 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 [2024-11-24 01:29:40,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:29:40,217 INFO L225 Difference]: With dead ends: 2372 [2024-11-24 01:29:40,217 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 01:29:40,226 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:29:40,228 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 [2024-11-24 01:29:40,228 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] [2024-11-24 01:29:40,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 01:29:40,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 01:29:40,231 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) [2024-11-24 01:29:40,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 01:29:40,233 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2024-11-24 01:29:40,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:29:40,233 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 01:29:40,233 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) [2024-11-24 01:29:40,233 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 01:29:40,234 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 01:29:40,236 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:29:40,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:29:40,241 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-24 01:29:40,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 01:30:02,931 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:30:02,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:30:02 BoogieIcfgContainer [2024-11-24 01:30:02,952 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:30:02,952 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:30:02,953 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:30:02,953 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:30:02,954 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:27:49" (3/4) ... [2024-11-24 01:30:02,957 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 01:30:02,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_free [2024-11-24 01:30:02,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_do_close [2024-11-24 01:30:02,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_add_timer [2024-11-24 01:30:02,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#11 [2024-11-24 01:30:02,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#12 [2024-11-24 01:30:02,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#10 [2024-11-24 01:30:02,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#15 [2024-11-24 01:30:02,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_irq_1 [2024-11-24 01:30:02,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#16 [2024-11-24 01:30:02,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reg_timer_2 [2024-11-24 01:30:02,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#13 [2024-11-24 01:30:02,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#14 [2024-11-24 01:30:02,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_io_loop [2024-11-24 01:30:02,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#19 [2024-11-24 01:30:02,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-11-24 01:30:02,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#17 [2024-11-24 01:30:02,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#18 [2024-11-24 01:30:02,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_del_timer [2024-11-24 01:30:02,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_serial_unregister_all [2024-11-24 01:30:02,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_output_byte [2024-11-24 01:30:02,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_unlock [2024-11-24 01:30:02,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_lock [2024-11-24 01:30:02,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure platform_device_unregister [2024-11-24 01:30:02,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2024-11-24 01:30:02,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-24 01:30:02,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_buffer_output [2024-11-24 01:30:02,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_rawmidi_receive [2024-11-24 01:30:02,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_substreams [2024-11-24 01:30:02,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_input_trigger [2024-11-24 01:30:02,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_card_free [2024-11-24 01:30:02,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure platform_get_drvdata [2024-11-24 01:30:02,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-11-24 01:30:02,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#1 [2024-11-24 01:30:02,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#0 [2024-11-24 01:30:02,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-24 01:30:02,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_output_trigger [2024-11-24 01:30:02,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure inb [2024-11-24 01:30:02,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2024-11-24 01:30:02,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2024-11-24 01:30:02,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-24 01:30:02,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#7 [2024-11-24 01:30:02,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#22 [2024-11-24 01:30:02,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#6 [2024-11-24 01:30:02,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#23 [2024-11-24 01:30:02,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#9 [2024-11-24 01:30:02,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#20 [2024-11-24 01:30:02,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_do_open [2024-11-24 01:30:02,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#8 [2024-11-24 01:30:02,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#21 [2024-11-24 01:30:02,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#3 [2024-11-24 01:30:02,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#2 [2024-11-24 01:30:02,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#5 [2024-11-24 01:30:02,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#24 [2024-11-24 01:30:02,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2024-11-24 01:30:02,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#4 [2024-11-24 01:30:02,967 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __snd_printk [2024-11-24 01:30:02,968 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_rawmidi_set_ops [2024-11-24 01:30:02,968 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_write_buffer [2024-11-24 01:30:02,968 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2024-11-24 01:30:03,014 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 235 nodes and edges [2024-11-24 01:30:03,019 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges [2024-11-24 01:30:03,022 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2024-11-24 01:30:03,026 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-24 01:30:03,029 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-24 01:30:03,033 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:30:03,075 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(ldv_spin) == 0) && (ldv_retval_2 == 0)) [2024-11-24 01:30:03,256 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(ldv_spin) == 0) && (ldv_retval_2 == 0)) [2024-11-24 01:30:03,323 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc76f725-c761-4887-bdc8-ee7fe909ef70/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:30:03,323 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc76f725-c761-4887-bdc8-ee7fe909ef70/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 01:30:03,323 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:30:03,326 INFO L158 Benchmark]: Toolchain (without parser) took 150659.35ms. Allocated memory was 117.4MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 87.8MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 624.9MB. Max. memory is 16.1GB. [2024-11-24 01:30:03,330 INFO L158 Benchmark]: CDTParser took 2.16ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:30:03,330 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1808.65ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 60.7MB in the end (delta: 26.9MB). Peak memory consumption was 71.4MB. Max. memory is 16.1GB. [2024-11-24 01:30:03,330 INFO L158 Benchmark]: Boogie Procedure Inliner took 211.68ms. Allocated memory is still 117.4MB. Free memory was 60.6MB in the beginning and 46.7MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:30:03,331 INFO L158 Benchmark]: Boogie Preprocessor took 431.75ms. Allocated memory is still 117.4MB. Free memory was 46.6MB in the beginning and 36.6MB in the end (delta: 10.1MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2024-11-24 01:30:03,331 INFO L158 Benchmark]: RCFGBuilder took 13968.63ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 36.6MB in the beginning and 93.7MB in the end (delta: -57.1MB). Peak memory consumption was 115.1MB. Max. memory is 16.1GB. [2024-11-24 01:30:03,331 INFO L158 Benchmark]: TraceAbstraction took 133859.44ms. Allocated memory was 234.9MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 91.5MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 483.8MB. Max. memory is 16.1GB. [2024-11-24 01:30:03,332 INFO L158 Benchmark]: Witness Printer took 370.95ms. Allocated memory is still 1.8GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 38.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 01:30:03,333 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.16ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1808.65ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 60.7MB in the end (delta: 26.9MB). Peak memory consumption was 71.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 211.68ms. Allocated memory is still 117.4MB. Free memory was 60.6MB in the beginning and 46.7MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 431.75ms. Allocated memory is still 117.4MB. Free memory was 46.6MB in the beginning and 36.6MB in the end (delta: 10.1MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * RCFGBuilder took 13968.63ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 36.6MB in the beginning and 93.7MB in the end (delta: -57.1MB). Peak memory consumption was 115.1MB. Max. memory is 16.1GB. * TraceAbstraction took 133859.44ms. Allocated memory was 234.9MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 91.5MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 483.8MB. Max. memory is 16.1GB. * Witness Printer took 370.95ms. Allocated memory is still 1.8GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 38.4MB). 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: 111.0s, 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, 0.7s 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, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1187occurred in iteration=5, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 383 NumberOfCodeBlocks, 383 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 377 ConstructedInterpolants, 0 QuantifiedInterpolants, 481 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 97/97 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3061]: Location Invariant Derived location invariant: (ldv_retval_2 == 0) - InvariantResult [Line: 3636]: Loop Invariant Derived loop invariant: ((ldv_spin == 0) && (ldv_retval_2 == 0)) - InvariantResult [Line: 3432]: Location Invariant Derived location invariant: ((\old(ldv_spin) == 0) && (ldv_retval_2 == 0)) - InvariantResult [Line: 3734]: Loop Invariant Derived loop invariant: ((ldv_spin == 0) && (ldv_retval_2 == 0)) - InvariantResult [Line: 3072]: Location Invariant Derived location invariant: (ldv_retval_2 == 0) - InvariantResult [Line: 3399]: Location Invariant Derived location invariant: (ldv_retval_2 == 0) RESULT: Ultimate proved your program to be correct! [2024-11-24 01:30:03,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc76f725-c761-4887-bdc8-ee7fe909ef70/bin/uautomizer-verify-LYvppIcaGC/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