./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de9047b-1665-49e4-862c-62821fb557d8/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de9047b-1665-49e4-862c-62821fb557d8/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de9047b-1665-49e4-862c-62821fb557d8/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de9047b-1665-49e4-862c-62821fb557d8/bin/uautomizer-verify-84ZbGMXZE1/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_8de9047b-1665-49e4-862c-62821fb557d8/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de9047b-1665-49e4-862c-62821fb557d8/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c850114a14157388fff72c3ea545dc39574a5dacf1bf063210a2e523cf9f3a54 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:56:34,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:56:34,880 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de9047b-1665-49e4-862c-62821fb557d8/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 10:56:34,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:56:34,884 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:56:34,904 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:56:34,904 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:56:34,905 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:56:34,905 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:56:34,905 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:56:34,905 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:56:34,905 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:56:34,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:56:34,906 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:56:34,906 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:56:34,906 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:56:34,906 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:56:34,906 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:56:34,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:56:34,906 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:56:34,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:56:34,906 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:56:34,906 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:56:34,906 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:56:34,907 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:56:34,907 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:56:34,907 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:56:34,907 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:56:34,907 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:56:34,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:56:34,907 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:56:34,907 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:56:34,907 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:56:34,907 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:56:34,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:56:34,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:56:34,908 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:56:34,908 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:56:34,908 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:56:34,908 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:56:34,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:56:34,908 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:56:34,908 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:56:34,908 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:56:34,908 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:56:34,908 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_8de9047b-1665-49e4-862c-62821fb557d8/bin/uautomizer-verify-84ZbGMXZE1 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 [2024-12-02 10:56:35,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:56:35,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:56:35,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:56:35,148 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:56:35,149 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:56:35,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de9047b-1665-49e4-862c-62821fb557d8/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i [2024-12-02 10:56:37,743 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de9047b-1665-49e4-862c-62821fb557d8/bin/uautomizer-verify-84ZbGMXZE1/data/663297aff/f5a866c0a0de49ac8201d644532a34cc/FLAG48e3678f9 [2024-12-02 10:56:38,083 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:56:38,084 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de9047b-1665-49e4-862c-62821fb557d8/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--drivers--snd-serial-u16550.ko-entry_point.cil.out.i [2024-12-02 10:56:38,105 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de9047b-1665-49e4-862c-62821fb557d8/bin/uautomizer-verify-84ZbGMXZE1/data/663297aff/f5a866c0a0de49ac8201d644532a34cc/FLAG48e3678f9 [2024-12-02 10:56:38,322 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de9047b-1665-49e4-862c-62821fb557d8/bin/uautomizer-verify-84ZbGMXZE1/data/663297aff/f5a866c0a0de49ac8201d644532a34cc [2024-12-02 10:56:38,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:56:38,325 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:56:38,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:56:38,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:56:38,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:56:38,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:56:38" (1/1) ... [2024-12-02 10:56:38,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c1cf46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:38, skipping insertion in model container [2024-12-02 10:56:38,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:56:38" (1/1) ... [2024-12-02 10:56:38,385 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:56:38,657 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2482] [2024-12-02 10:56:38,657 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] [2024-12-02 10:56:38,769 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_8de9047b-1665-49e4-862c-62821fb557d8/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] [2024-12-02 10:56:39,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:56:39,096 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:56:39,158 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2482] [2024-12-02 10:56:39,158 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] [2024-12-02 10:56:39,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port___0)); [2619] [2024-12-02 10:56:39,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port___0)); [2627] [2024-12-02 10:56:39,169 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_8de9047b-1665-49e4-862c-62821fb557d8/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] [2024-12-02 10:56:39,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:56:39,319 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:56:39,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:39 WrapperNode [2024-12-02 10:56:39,320 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:56:39,320 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:56:39,321 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:56:39,321 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:56:39,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:39" (1/1) ... [2024-12-02 10:56:39,361 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:39" (1/1) ... [2024-12-02 10:56:39,436 INFO L138 Inliner]: procedures = 142, calls = 1053, calls flagged for inlining = 73, calls inlined = 71, statements flattened = 2187 [2024-12-02 10:56:39,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:56:39,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:56:39,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:56:39,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:56:39,446 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:39" (1/1) ... [2024-12-02 10:56:39,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:39" (1/1) ... [2024-12-02 10:56:39,459 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:39" (1/1) ... [2024-12-02 10:56:39,588 INFO L175 MemorySlicer]: Split 753 memory accesses to 25 slices as follows [6, 6, 34, 34, 34, 34, 34, 6, 34, 34, 39, 40, 36, 34, 229, 34, 8, 8, 7, 24, 16, 2, 9, 3, 8]. 30 percent of accesses are in the largest equivalence class. The 70 initializations are split as follows [0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, 32, 8, 0, 0, 0, 16, 2, 0, 0, 0]. The 474 writes are split as follows [0, 0, 33, 33, 33, 33, 33, 1, 33, 33, 35, 36, 33, 33, 67, 1, 0, 0, 1, 24, 0, 0, 9, 3, 0]. [2024-12-02 10:56:39,588 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:39" (1/1) ... [2024-12-02 10:56:39,589 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:39" (1/1) ... [2024-12-02 10:56:39,647 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:39" (1/1) ... [2024-12-02 10:56:39,650 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:39" (1/1) ... [2024-12-02 10:56:39,662 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:39" (1/1) ... [2024-12-02 10:56:39,679 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:39" (1/1) ... [2024-12-02 10:56:39,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:39" (1/1) ... [2024-12-02 10:56:39,705 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:56:39,706 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:56:39,706 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:56:39,706 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:56:39,707 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:39" (1/1) ... [2024-12-02 10:56:39,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:56:39,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de9047b-1665-49e4-862c-62821fb557d8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:56:39,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de9047b-1665-49e4-862c-62821fb557d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:56:39,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de9047b-1665-49e4-862c-62821fb557d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:56:39,761 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_free [2024-12-02 10:56:39,761 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_free [2024-12-02 10:56:39,761 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_do_close [2024-12-02 10:56:39,761 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_do_close [2024-12-02 10:56:39,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-12-02 10:56:39,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-12-02 10:56:39,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-12-02 10:56:39,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-12-02 10:56:39,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-12-02 10:56:39,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-12-02 10:56:39,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-12-02 10:56:39,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-12-02 10:56:39,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-12-02 10:56:39,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-12-02 10:56:39,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-12-02 10:56:39,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-12-02 10:56:39,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-12-02 10:56:39,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-12-02 10:56:39,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-12-02 10:56:39,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-12-02 10:56:39,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-12-02 10:56:39,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-12-02 10:56:39,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-12-02 10:56:39,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2024-12-02 10:56:39,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2024-12-02 10:56:39,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#21 [2024-12-02 10:56:39,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#22 [2024-12-02 10:56:39,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#23 [2024-12-02 10:56:39,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#24 [2024-12-02 10:56:39,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-12-02 10:56:39,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-12-02 10:56:39,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-12-02 10:56:39,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-12-02 10:56:39,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-12-02 10:56:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-12-02 10:56:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-12-02 10:56:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-12-02 10:56:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-12-02 10:56:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-12-02 10:56:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-12-02 10:56:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-12-02 10:56:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-12-02 10:56:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-12-02 10:56:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-12-02 10:56:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-12-02 10:56:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-12-02 10:56:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-12-02 10:56:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-12-02 10:56:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2024-12-02 10:56:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2024-12-02 10:56:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#21 [2024-12-02 10:56:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#22 [2024-12-02 10:56:39,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#23 [2024-12-02 10:56:39,764 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#24 [2024-12-02 10:56:39,764 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_add_timer [2024-12-02 10:56:39,764 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_add_timer [2024-12-02 10:56:39,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 10:56:39,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 10:56:39,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 10:56:39,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 10:56:39,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 10:56:39,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 10:56:39,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 10:56:39,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 10:56:39,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 10:56:39,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 10:56:39,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 10:56:39,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 10:56:39,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 10:56:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 10:56:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 10:56:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 10:56:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 10:56:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 10:56:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 10:56:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 10:56:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 10:56:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-02 10:56:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-12-02 10:56:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-12-02 10:56:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-12-02 10:56:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_io_loop [2024-12-02 10:56:39,765 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_io_loop [2024-12-02 10:56:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 10:56:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 10:56:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 10:56:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 10:56:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 10:56:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 10:56:39,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 10:56:39,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 10:56:39,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 10:56:39,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 10:56:39,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 10:56:39,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 10:56:39,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 10:56:39,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 10:56:39,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 10:56:39,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 10:56:39,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 10:56:39,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 10:56:39,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 10:56:39,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 10:56:39,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 10:56:39,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-02 10:56:39,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-12-02 10:56:39,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-12-02 10:56:39,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-12-02 10:56:39,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 10:56:39,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 10:56:39,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 10:56:39,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 10:56:39,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 10:56:39,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 10:56:39,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 10:56:39,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 10:56:39,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 10:56:39,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 10:56:39,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 10:56:39,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 10:56:39,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 10:56:39,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 10:56:39,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 10:56:39,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 10:56:39,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 10:56:39,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 10:56:39,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 10:56:39,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 10:56:39,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 10:56:39,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 10:56:39,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 10:56:39,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-02 10:56:39,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-12-02 10:56:39,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-12-02 10:56:39,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-12-02 10:56:39,768 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_del_timer [2024-12-02 10:56:39,768 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_del_timer [2024-12-02 10:56:39,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-12-02 10:56:39,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-12-02 10:56:39,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 10:56:39,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 10:56:39,768 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_buffer_output [2024-12-02 10:56:39,768 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_buffer_output [2024-12-02 10:56:39,768 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_substreams [2024-12-02 10:56:39,768 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_substreams [2024-12-02 10:56:39,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 10:56:39,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 10:56:39,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 10:56:39,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 10:56:39,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 10:56:39,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 10:56:39,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 10:56:39,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 10:56:39,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 10:56:39,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 10:56:39,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 10:56:39,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 10:56:39,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 10:56:39,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 10:56:39,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 10:56:39,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 10:56:39,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 10:56:39,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 10:56:39,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 10:56:39,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 10:56:39,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 10:56:39,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-02 10:56:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-12-02 10:56:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-12-02 10:56:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-12-02 10:56:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 10:56:39,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 10:56:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_trigger [2024-12-02 10:56:39,770 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_trigger [2024-12-02 10:56:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:56:39,770 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:56:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_do_open [2024-12-02 10:56:39,770 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_do_open [2024-12-02 10:56:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 10:56:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:56:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 10:56:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 10:56:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 10:56:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 10:56:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 10:56:39,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 10:56:39,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 10:56:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 10:56:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 10:56:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 10:56:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 10:56:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 10:56:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 10:56:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 10:56:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 10:56:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 10:56:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 10:56:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 10:56:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 10:56:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 10:56:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 10:56:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 10:56:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-02 10:56:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-12-02 10:56:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-12-02 10:56:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-12-02 10:56:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-12-02 10:56:39,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-12-02 10:56:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-12-02 10:56:39,773 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-12-02 10:56:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 10:56:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 10:56:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 10:56:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 10:56:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 10:56:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 10:56:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 10:56:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 10:56:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 10:56:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 10:56:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 10:56:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 10:56:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 10:56:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 10:56:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 10:56:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 10:56:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 10:56:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 10:56:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 10:56:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 10:56:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 10:56:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-02 10:56:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-12-02 10:56:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-12-02 10:56:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-12-02 10:56:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure snd_serial_unregister_all [2024-12-02 10:56:39,774 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_serial_unregister_all [2024-12-02 10:56:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_output_byte [2024-12-02 10:56:39,774 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_output_byte [2024-12-02 10:56:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-12-02 10:56:39,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-12-02 10:56:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2024-12-02 10:56:39,774 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2024-12-02 10:56:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-12-02 10:56:39,774 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-12-02 10:56:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_receive [2024-12-02 10:56:39,774 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_receive [2024-12-02 10:56:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_input_trigger [2024-12-02 10:56:39,775 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_input_trigger [2024-12-02 10:56:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 10:56:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 10:56:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 10:56:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 10:56:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 10:56:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 10:56:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 10:56:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 10:56:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 10:56:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 10:56:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 10:56:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 10:56:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 10:56:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 10:56:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 10:56:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 10:56:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 10:56:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 10:56:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 10:56:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 10:56:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-12-02 10:56:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-12-02 10:56:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-12-02 10:56:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-12-02 10:56:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-12-02 10:56:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-12-02 10:56:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2024-12-02 10:56:39,776 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2024-12-02 10:56:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-12-02 10:56:39,776 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-12-02 10:56:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 10:56:39,776 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 10:56:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-12-02 10:56:39,776 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-12-02 10:56:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-12-02 10:56:39,776 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-12-02 10:56:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-12-02 10:56:39,776 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-12-02 10:56:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:56:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 10:56:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 10:56:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 10:56:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 10:56:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 10:56:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 10:56:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 10:56:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 10:56:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 10:56:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 10:56:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 10:56:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 10:56:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 10:56:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 10:56:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 10:56:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 10:56:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 10:56:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 10:56:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 10:56:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 10:56:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-02 10:56:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-12-02 10:56:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-12-02 10:56:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-12-02 10:56:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-12-02 10:56:39,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-12-02 10:56:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure __snd_printk [2024-12-02 10:56:39,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __snd_printk [2024-12-02 10:56:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:56:39,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:56:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_set_ops [2024-12-02 10:56:39,777 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_set_ops [2024-12-02 10:56:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure snd_uart16550_write_buffer [2024-12-02 10:56:39,777 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_uart16550_write_buffer [2024-12-02 10:56:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-12-02 10:56:39,777 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-12-02 10:56:40,263 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:56:40,265 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:56:40,551 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 10:56:49,946 INFO L? ?]: Removed 1015 outVars from TransFormulas that were not future-live. [2024-12-02 10:56:49,946 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:56:49,970 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:56:49,971 INFO L312 CfgBuilder]: Removed 27 assume(true) statements. [2024-12-02 10:56:49,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:49 BoogieIcfgContainer [2024-12-02 10:56:49,971 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:56:49,973 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:56:49,973 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:56:49,977 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:56:49,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:56:38" (1/3) ... [2024-12-02 10:56:49,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dfd3a12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:56:49, skipping insertion in model container [2024-12-02 10:56:49,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:39" (2/3) ... [2024-12-02 10:56:49,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dfd3a12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:56:49, skipping insertion in model container [2024-12-02 10:56:49,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:49" (3/3) ... [2024-12-02 10:56:49,979 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 [2024-12-02 10:56:49,990 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:56:49,993 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. [2024-12-02 10:56:50,048 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:56:50,057 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;@4d94b7fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:56:50,058 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:56:50,063 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) [2024-12-02 10:56:50,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-02 10:56:50,077 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:56:50,078 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] [2024-12-02 10:56:50,078 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:56:50,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:56:50,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1541241362, now seen corresponding path program 1 times [2024-12-02 10:56:50,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:56:50,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095655055] [2024-12-02 10:56:50,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:56:50,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:56:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:56:59,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 10:56:59,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:56:59,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095655055] [2024-12-02 10:56:59,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095655055] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:56:59,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:56:59,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:56:59,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957881377] [2024-12-02 10:56:59,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:56:59,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:56:59,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:56:59,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:56:59,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:56:59,666 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) [2024-12-02 10:56:59,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:56:59,964 INFO L93 Difference]: Finished difference Result 1944 states and 2843 transitions. [2024-12-02 10:56:59,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:56:59,966 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 [2024-12-02 10:56:59,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:56:59,985 INFO L225 Difference]: With dead ends: 1944 [2024-12-02 10:56:59,985 INFO L226 Difference]: Without dead ends: 1185 [2024-12-02 10:56:59,993 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 [2024-12-02 10:56:59,995 INFO L435 NwaCegarLoop]: 1075 mSDtfsCounter, 721 mSDsluCounter, 1020 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 2095 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:56:59,996 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 2095 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:57:00,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2024-12-02 10:57:00,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1184. [2024-12-02 10:57:00,088 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) [2024-12-02 10:57:00,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1704 transitions. [2024-12-02 10:57:00,104 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1704 transitions. Word has length 35 [2024-12-02 10:57:00,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:57:00,104 INFO L471 AbstractCegarLoop]: Abstraction has 1184 states and 1704 transitions. [2024-12-02 10:57:00,105 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) [2024-12-02 10:57:00,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1704 transitions. [2024-12-02 10:57:00,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-02 10:57:00,113 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:57:00,113 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] [2024-12-02 10:57:00,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 10:57:00,114 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:57:00,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:57:00,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1066309754, now seen corresponding path program 1 times [2024-12-02 10:57:00,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:57:00,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536938052] [2024-12-02 10:57:00,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:57:00,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:57:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:57:09,685 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-02 10:57:09,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:57:09,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536938052] [2024-12-02 10:57:09,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536938052] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:57:09,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:57:09,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:57:09,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357013830] [2024-12-02 10:57:09,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:57:09,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:57:09,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:57:09,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:57:09,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:57:09,688 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) [2024-12-02 10:57:09,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:57:09,878 INFO L93 Difference]: Finished difference Result 2365 states and 3405 transitions. [2024-12-02 10:57:09,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:57:09,878 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 [2024-12-02 10:57:09,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:57:09,887 INFO L225 Difference]: With dead ends: 2365 [2024-12-02 10:57:09,887 INFO L226 Difference]: Without dead ends: 1184 [2024-12-02 10:57:09,892 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 [2024-12-02 10:57:09,892 INFO L435 NwaCegarLoop]: 1013 mSDtfsCounter, 1011 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1011 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:57:09,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1011 Valid, 1013 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:57:09,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2024-12-02 10:57:09,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 1184. [2024-12-02 10:57:09,943 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) [2024-12-02 10:57:09,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1702 transitions. [2024-12-02 10:57:09,952 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1702 transitions. Word has length 58 [2024-12-02 10:57:09,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:57:09,953 INFO L471 AbstractCegarLoop]: Abstraction has 1184 states and 1702 transitions. [2024-12-02 10:57:09,953 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) [2024-12-02 10:57:09,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1702 transitions. [2024-12-02 10:57:09,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-12-02 10:57:09,959 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:57:09,959 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] [2024-12-02 10:57:09,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 10:57:09,960 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:57:09,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:57:09,960 INFO L85 PathProgramCache]: Analyzing trace with hash -869171936, now seen corresponding path program 1 times [2024-12-02 10:57:09,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:57:09,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580311997] [2024-12-02 10:57:09,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:57:09,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:57:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:57:19,077 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-02 10:57:19,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:57:19,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580311997] [2024-12-02 10:57:19,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580311997] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:57:19,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:57:19,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:57:19,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480673606] [2024-12-02 10:57:19,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:57:19,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:57:19,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:57:19,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:57:19,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:57:19,079 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) [2024-12-02 10:57:19,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:57:19,201 INFO L93 Difference]: Finished difference Result 2366 states and 3403 transitions. [2024-12-02 10:57:19,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:57:19,202 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 [2024-12-02 10:57:19,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:57:19,210 INFO L225 Difference]: With dead ends: 2366 [2024-12-02 10:57:19,210 INFO L226 Difference]: Without dead ends: 1185 [2024-12-02 10:57:19,214 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 [2024-12-02 10:57:19,215 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 [2024-12-02 10:57:19,215 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] [2024-12-02 10:57:19,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2024-12-02 10:57:19,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1185. [2024-12-02 10:57:19,263 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) [2024-12-02 10:57:19,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1703 transitions. [2024-12-02 10:57:19,272 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1703 transitions. Word has length 72 [2024-12-02 10:57:19,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:57:19,273 INFO L471 AbstractCegarLoop]: Abstraction has 1185 states and 1703 transitions. [2024-12-02 10:57:19,273 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) [2024-12-02 10:57:19,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1703 transitions. [2024-12-02 10:57:19,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-12-02 10:57:19,278 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:57:19,278 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] [2024-12-02 10:57:19,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 10:57:19,278 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:57:19,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:57:19,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1003185442, now seen corresponding path program 1 times [2024-12-02 10:57:19,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:57:19,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636639553] [2024-12-02 10:57:19,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:57:19,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:57:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:57:27,829 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-02 10:57:27,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:57:27,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636639553] [2024-12-02 10:57:27,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636639553] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:57:27,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:57:27,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:57:27,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667458552] [2024-12-02 10:57:27,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:57:27,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:57:27,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:57:27,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:57:27,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:57:27,831 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) [2024-12-02 10:57:27,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:57:27,919 INFO L93 Difference]: Finished difference Result 2368 states and 3405 transitions. [2024-12-02 10:57:27,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:57:27,920 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 [2024-12-02 10:57:27,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:57:27,927 INFO L225 Difference]: With dead ends: 2368 [2024-12-02 10:57:27,927 INFO L226 Difference]: Without dead ends: 1186 [2024-12-02 10:57:27,930 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 [2024-12-02 10:57:27,931 INFO L435 NwaCegarLoop]: 1013 mSDtfsCounter, 0 mSDsluCounter, 1007 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 [2024-12-02 10:57:27,931 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] [2024-12-02 10:57:27,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2024-12-02 10:57:27,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1186. [2024-12-02 10:57:27,960 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) [2024-12-02 10:57:27,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1704 transitions. [2024-12-02 10:57:27,965 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1704 transitions. Word has length 72 [2024-12-02 10:57:27,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:57:27,966 INFO L471 AbstractCegarLoop]: Abstraction has 1186 states and 1704 transitions. [2024-12-02 10:57:27,966 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) [2024-12-02 10:57:27,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1704 transitions. [2024-12-02 10:57:27,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-12-02 10:57:27,969 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:57:27,969 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] [2024-12-02 10:57:27,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 10:57:27,969 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:57:27,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:57:27,970 INFO L85 PathProgramCache]: Analyzing trace with hash -784330724, now seen corresponding path program 1 times [2024-12-02 10:57:27,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:57:27,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570709852] [2024-12-02 10:57:27,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:57:27,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:57:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:57:36,717 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-02 10:57:36,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:57:36,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570709852] [2024-12-02 10:57:36,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570709852] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:57:36,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:57:36,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:57:36,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815626770] [2024-12-02 10:57:36,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:57:36,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:57:36,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:57:36,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:57:36,719 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:57:36,719 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) [2024-12-02 10:57:36,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:57:36,825 INFO L93 Difference]: Finished difference Result 1190 states and 1708 transitions. [2024-12-02 10:57:36,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:57:36,826 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 [2024-12-02 10:57:36,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:57:36,834 INFO L225 Difference]: With dead ends: 1190 [2024-12-02 10:57:36,834 INFO L226 Difference]: Without dead ends: 1187 [2024-12-02 10:57:36,835 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 [2024-12-02 10:57:36,836 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 [2024-12-02 10:57:36,836 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] [2024-12-02 10:57:36,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2024-12-02 10:57:36,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1187. [2024-12-02 10:57:36,883 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) [2024-12-02 10:57:36,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1705 transitions. [2024-12-02 10:57:36,890 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1705 transitions. Word has length 72 [2024-12-02 10:57:36,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:57:36,890 INFO L471 AbstractCegarLoop]: Abstraction has 1187 states and 1705 transitions. [2024-12-02 10:57:36,890 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) [2024-12-02 10:57:36,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1705 transitions. [2024-12-02 10:57:36,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-02 10:57:36,895 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:57:36,895 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] [2024-12-02 10:57:36,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 10:57:36,896 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:57:36,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:57:36,896 INFO L85 PathProgramCache]: Analyzing trace with hash -2098794896, now seen corresponding path program 1 times [2024-12-02 10:57:36,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:57:36,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352054038] [2024-12-02 10:57:36,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:57:36,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:57:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:57:45,995 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-02 10:57:45,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:57:45,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352054038] [2024-12-02 10:57:45,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352054038] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:57:45,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:57:45,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 10:57:45,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710121419] [2024-12-02 10:57:45,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:57:45,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 10:57:45,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:57:45,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 10:57:45,997 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:57:45,997 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) [2024-12-02 10:57:46,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:57:46,168 INFO L93 Difference]: Finished difference Result 2372 states and 3403 transitions. [2024-12-02 10:57:46,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 10:57:46,168 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 [2024-12-02 10:57:46,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:57:46,170 INFO L225 Difference]: With dead ends: 2372 [2024-12-02 10:57:46,170 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 10:57:46,176 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 [2024-12-02 10:57:46,177 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 [2024-12-02 10:57:46,177 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] [2024-12-02 10:57:46,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 10:57:46,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 10:57:46,178 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) [2024-12-02 10:57:46,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 10:57:46,179 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2024-12-02 10:57:46,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:57:46,179 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 10:57:46,179 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) [2024-12-02 10:57:46,179 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 10:57:46,180 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 10:57:46,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 10:57:46,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 10:57:46,184 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-12-02 10:57:46,186 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 10:58:07,592 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 10:58:07,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:58:07 BoogieIcfgContainer [2024-12-02 10:58:07,605 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 10:58:07,605 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 10:58:07,605 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 10:58:07,605 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 10:58:07,606 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:49" (3/4) ... [2024-12-02 10:58:07,608 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 10:58:07,612 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_free [2024-12-02 10:58:07,612 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_do_close [2024-12-02 10:58:07,612 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_add_timer [2024-12-02 10:58:07,612 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#11 [2024-12-02 10:58:07,612 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#12 [2024-12-02 10:58:07,612 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#10 [2024-12-02 10:58:07,612 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#15 [2024-12-02 10:58:07,612 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_irq_1 [2024-12-02 10:58:07,612 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#16 [2024-12-02 10:58:07,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reg_timer_2 [2024-12-02 10:58:07,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#13 [2024-12-02 10:58:07,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#14 [2024-12-02 10:58:07,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_io_loop [2024-12-02 10:58:07,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#19 [2024-12-02 10:58:07,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-12-02 10:58:07,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#17 [2024-12-02 10:58:07,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#18 [2024-12-02 10:58:07,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_del_timer [2024-12-02 10:58:07,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_serial_unregister_all [2024-12-02 10:58:07,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_output_byte [2024-12-02 10:58:07,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_unlock [2024-12-02 10:58:07,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_lock [2024-12-02 10:58:07,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure platform_device_unregister [2024-12-02 10:58:07,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2024-12-02 10:58:07,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-12-02 10:58:07,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_buffer_output [2024-12-02 10:58:07,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_rawmidi_receive [2024-12-02 10:58:07,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_substreams [2024-12-02 10:58:07,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_input_trigger [2024-12-02 10:58:07,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_card_free [2024-12-02 10:58:07,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure platform_get_drvdata [2024-12-02 10:58:07,614 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-12-02 10:58:07,614 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#1 [2024-12-02 10:58:07,614 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#0 [2024-12-02 10:58:07,614 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-12-02 10:58:07,614 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_output_trigger [2024-12-02 10:58:07,614 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure inb [2024-12-02 10:58:07,614 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2024-12-02 10:58:07,614 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2024-12-02 10:58:07,614 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 10:58:07,614 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#7 [2024-12-02 10:58:07,614 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#22 [2024-12-02 10:58:07,614 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#6 [2024-12-02 10:58:07,614 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#23 [2024-12-02 10:58:07,614 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#9 [2024-12-02 10:58:07,614 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#20 [2024-12-02 10:58:07,614 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_do_open [2024-12-02 10:58:07,614 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#8 [2024-12-02 10:58:07,614 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#21 [2024-12-02 10:58:07,614 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#3 [2024-12-02 10:58:07,614 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#2 [2024-12-02 10:58:07,614 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#5 [2024-12-02 10:58:07,614 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#24 [2024-12-02 10:58:07,615 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2024-12-02 10:58:07,615 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#4 [2024-12-02 10:58:07,615 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __snd_printk [2024-12-02 10:58:07,615 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_rawmidi_set_ops [2024-12-02 10:58:07,615 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure snd_uart16550_write_buffer [2024-12-02 10:58:07,615 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2024-12-02 10:58:07,636 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 235 nodes and edges [2024-12-02 10:58:07,639 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges [2024-12-02 10:58:07,642 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2024-12-02 10:58:07,645 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-02 10:58:07,648 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-02 10:58:07,651 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 10:58:07,684 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(ldv_spin) == 0) && (ldv_retval_2 == 0)) [2024-12-02 10:58:07,821 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(ldv_spin) == 0) && (ldv_retval_2 == 0)) [2024-12-02 10:58:07,866 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de9047b-1665-49e4-862c-62821fb557d8/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 10:58:07,867 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de9047b-1665-49e4-862c-62821fb557d8/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 10:58:07,867 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 10:58:07,868 INFO L158 Benchmark]: Toolchain (without parser) took 89542.26ms. Allocated memory was 142.6MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 112.1MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 197.7MB. Max. memory is 16.1GB. [2024-12-02 10:58:07,868 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:58:07,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 993.90ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 84.8MB in the end (delta: 27.0MB). Peak memory consumption was 82.5MB. Max. memory is 16.1GB. [2024-12-02 10:58:07,868 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.11ms. Allocated memory is still 142.6MB. Free memory was 84.8MB in the beginning and 70.7MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 10:58:07,868 INFO L158 Benchmark]: Boogie Preprocessor took 268.21ms. Allocated memory is still 142.6MB. Free memory was 70.7MB in the beginning and 77.6MB in the end (delta: -7.0MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2024-12-02 10:58:07,869 INFO L158 Benchmark]: RCFGBuilder took 10265.20ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 77.6MB in the beginning and 127.3MB in the end (delta: -49.6MB). Peak memory consumption was 169.5MB. Max. memory is 16.1GB. [2024-12-02 10:58:07,869 INFO L158 Benchmark]: TraceAbstraction took 77632.01ms. Allocated memory was 310.4MB in the beginning and 2.3GB in the end (delta: 2.0GB). Free memory was 127.3MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-12-02 10:58:07,869 INFO L158 Benchmark]: Witness Printer took 261.37ms. Allocated memory is still 2.3GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 38.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 10:58:07,871 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 993.90ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 84.8MB in the end (delta: 27.0MB). Peak memory consumption was 82.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.11ms. Allocated memory is still 142.6MB. Free memory was 84.8MB in the beginning and 70.7MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 268.21ms. Allocated memory is still 142.6MB. Free memory was 70.7MB in the beginning and 77.6MB in the end (delta: -7.0MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * RCFGBuilder took 10265.20ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 77.6MB in the beginning and 127.3MB in the end (delta: -49.6MB). Peak memory consumption was 169.5MB. Max. memory is 16.1GB. * TraceAbstraction took 77632.01ms. Allocated memory was 310.4MB in the beginning and 2.3GB in the end (delta: 2.0GB). Free memory was 127.3MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 261.37ms. Allocated memory is still 2.3GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 38.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 2619]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port___0)); [2619] - GenericResultAtLocation [Line: 2627]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port___0)); [2627] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 2700]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 60 procedures, 846 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 56.2s, OverallIterations: 6, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2215 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2215 mSDsluCounter, 11665 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5531 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 6134 mSDtfsCounter, 38 mSolverCounterSat, 0.1s 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: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.1s 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! [2024-12-02 10:58:07,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de9047b-1665-49e4-862c-62821fb557d8/bin/uautomizer-verify-84ZbGMXZE1/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