./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.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_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/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_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/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_319b7858-e33b-4193-8527-4c4bd49c4823/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 cd4602f1a95f60cf2d782cdd09ffbf4f13da5d7831c02d1076d087dbb1c87f94 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:27:29,905 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:27:29,960 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 13:27:29,964 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:27:29,964 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:27:29,983 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:27:29,983 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:27:29,984 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:27:29,984 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:27:29,984 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:27:29,984 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:27:29,984 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:27:29,985 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:27:29,985 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:27:29,985 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:27:29,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:27:29,985 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:27:29,985 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:27:29,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:27:29,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:27:29,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:27:29,986 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:27:29,986 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:27:29,986 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:27:29,986 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:27:29,986 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:27:29,986 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:27:29,986 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:27:29,986 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:27:29,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:27:29,987 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:27:29,987 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:27:29,987 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:27:29,987 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:27:29,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:27:29,987 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:27:29,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:27:29,987 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:27:29,987 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:27:29,988 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:27:29,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:27:29,988 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:27:29,988 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:27:29,988 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:27:29,988 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:27:29,988 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_319b7858-e33b-4193-8527-4c4bd49c4823/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 -> cd4602f1a95f60cf2d782cdd09ffbf4f13da5d7831c02d1076d087dbb1c87f94 [2024-12-02 13:27:30,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:27:30,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:27:30,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:27:30,204 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:27:30,204 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:27:30,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2024-12-02 13:27:32,800 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/data/a331a3a31/adfe74d1c87547df962c817dd845b36a/FLAG91d9b155c [2024-12-02 13:27:33,257 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:27:33,258 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2024-12-02 13:27:33,289 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/data/a331a3a31/adfe74d1c87547df962c817dd845b36a/FLAG91d9b155c [2024-12-02 13:27:33,303 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/data/a331a3a31/adfe74d1c87547df962c817dd845b36a [2024-12-02 13:27:33,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:27:33,307 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:27:33,308 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:27:33,308 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:27:33,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:27:33,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:27:33" (1/1) ... [2024-12-02 13:27:33,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4714fd46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:33, skipping insertion in model container [2024-12-02 13:27:33,314 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:27:33" (1/1) ... [2024-12-02 13:27:33,417 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:27:34,946 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_319b7858-e33b-4193-8527-4c4bd49c4823/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i[260495,260508] [2024-12-02 13:27:35,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:27:35,053 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:27:35,360 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_319b7858-e33b-4193-8527-4c4bd49c4823/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i[260495,260508] [2024-12-02 13:27:35,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:27:35,507 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:27:35,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:35 WrapperNode [2024-12-02 13:27:35,507 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:27:35,508 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:27:35,508 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:27:35,509 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:27:35,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:35" (1/1) ... [2024-12-02 13:27:35,590 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:35" (1/1) ... [2024-12-02 13:27:35,917 INFO L138 Inliner]: procedures = 251, calls = 4784, calls flagged for inlining = 118, calls inlined = 113, statements flattened = 9150 [2024-12-02 13:27:35,917 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:27:35,918 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:27:35,918 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:27:35,918 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:27:35,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:35" (1/1) ... [2024-12-02 13:27:35,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:35" (1/1) ... [2024-12-02 13:27:35,957 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:35" (1/1) ... [2024-12-02 13:27:36,631 INFO L175 MemorySlicer]: Split 4014 memory accesses to 23 slices as follows [2, 1, 43, 44, 1, 2, 6, 51, 8, 2, 119, 67, 1, 35, 2, 1, 19, 2, 3572, 3, 28, 3, 2]. 89 percent of accesses are in the largest equivalence class. The 2128 initializations are split as follows [2, 0, 0, 0, 0, 0, 6, 48, 6, 0, 63, 63, 0, 0, 0, 0, 0, 0, 1937, 3, 0, 0, 0]. The 587 writes are split as follows [0, 1, 0, 44, 1, 2, 0, 3, 2, 1, 10, 2, 0, 1, 1, 0, 0, 1, 489, 0, 28, 1, 0]. [2024-12-02 13:27:36,631 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:35" (1/1) ... [2024-12-02 13:27:36,632 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:35" (1/1) ... [2024-12-02 13:27:36,846 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:35" (1/1) ... [2024-12-02 13:27:36,857 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:35" (1/1) ... [2024-12-02 13:27:36,884 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:35" (1/1) ... [2024-12-02 13:27:36,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:35" (1/1) ... [2024-12-02 13:27:36,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:35" (1/1) ... [2024-12-02 13:27:36,996 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:27:36,997 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:27:36,997 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:27:36,997 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:27:36,998 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:35" (1/1) ... [2024-12-02 13:27:37,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:27:37,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:27:37,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:27:37,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:27:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_origin [2024-12-02 13:27:37,055 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_origin [2024-12-02 13:27:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure con_copy_unimap [2024-12-02 13:27:37,055 INFO L138 BoogieDeclarations]: Found implementation of procedure con_copy_unimap [2024-12-02 13:27:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_exit [2024-12-02 13:27:37,055 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_exit [2024-12-02 13:27:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2024-12-02 13:27:37,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2024-12-02 13:27:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure con_is_bound [2024-12-02 13:27:37,056 INFO L138 BoogieDeclarations]: Found implementation of procedure con_is_bound [2024-12-02 13:27:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove [2024-12-02 13:27:37,056 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove [2024-12-02 13:27:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_display [2024-12-02 13:27:37,056 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_display [2024-12-02 13:27:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure do_fbcon_takeover [2024-12-02 13:27:37,056 INFO L138 BoogieDeclarations]: Found implementation of procedure do_fbcon_takeover [2024-12-02 13:27:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 13:27:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 13:27:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 13:27:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 13:27:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 13:27:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 13:27:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 13:27:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 13:27:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 13:27:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 13:27:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 13:27:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 13:27:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 13:27:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 13:27:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 13:27:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 13:27:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 13:27:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 13:27:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 13:27:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-12-02 13:27:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-12-02 13:27:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-12-02 13:27:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-12-02 13:27:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 13:27:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 13:27:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 13:27:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 13:27:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 13:27:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 13:27:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 13:27:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 13:27:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 13:27:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 13:27:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 13:27:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 13:27:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 13:27:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 13:27:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 13:27:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 13:27:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 13:27:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 13:27:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 13:27:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 13:27:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 13:27:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-02 13:27:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-12-02 13:27:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 13:27:37,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 13:27:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 13:27:37,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 13:27:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 13:27:37,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 13:27:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_release_oldinfo [2024-12-02 13:27:37,060 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_release_oldinfo [2024-12-02 13:27:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memcpyw [2024-12-02 13:27:37,060 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memcpyw [2024-12-02 13:27:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2024-12-02 13:27:37,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2024-12-02 13:27:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_cursor [2024-12-02 13:27:37,061 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_cursor [2024-12-02 13:27:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure get_default_font [2024-12-02 13:27:37,061 INFO L138 BoogieDeclarations]: Found implementation of procedure get_default_font [2024-12-02 13:27:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2024-12-02 13:27:37,061 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2024-12-02 13:27:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_putcs [2024-12-02 13:27:37,061 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_putcs [2024-12-02 13:27:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure get_color [2024-12-02 13:27:37,061 INFO L138 BoogieDeclarations]: Found implementation of procedure get_color [2024-12-02 13:27:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memsetw [2024-12-02 13:27:37,062 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memsetw [2024-12-02 13:27:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure do_unregister_con_driver [2024-12-02 13:27:37,062 INFO L138 BoogieDeclarations]: Found implementation of procedure do_unregister_con_driver [2024-12-02 13:27:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 13:27:37,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 13:27:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_get_font [2024-12-02 13:27:37,062 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_get_font [2024-12-02 13:27:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure real_y [2024-12-02 13:27:37,062 INFO L138 BoogieDeclarations]: Found implementation of procedure real_y [2024-12-02 13:27:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_update_softback [2024-12-02 13:27:37,062 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_update_softback [2024-12-02 13:27:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 13:27:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 13:27:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 13:27:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 13:27:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 13:27:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 13:27:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 13:27:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 13:27:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 13:27:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 13:27:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 13:27:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 13:27:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 13:27:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 13:27:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 13:27:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 13:27:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 13:27:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-12-02 13:27:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-12-02 13:27:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-12-02 13:27:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-12-02 13:27:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-12-02 13:27:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-12-02 13:27:37,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 13:27:37,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 13:27:37,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 13:27:37,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 13:27:37,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 13:27:37,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 13:27:37,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 13:27:37,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 13:27:37,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 13:27:37,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 13:27:37,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 13:27:37,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 13:27:37,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 13:27:37,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 13:27:37,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 13:27:37,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 13:27:37,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 13:27:37,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-12-02 13:27:37,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-12-02 13:27:37,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-12-02 13:27:37,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-12-02 13:27:37,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-12-02 13:27:37,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-12-02 13:27:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:27:37,065 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:27:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure update_region [2024-12-02 13:27:37,065 INFO L138 BoogieDeclarations]: Found implementation of procedure update_region [2024-12-02 13:27:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure fb_flashcursor [2024-12-02 13:27:37,065 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_flashcursor [2024-12-02 13:27:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure find_font [2024-12-02 13:27:37,065 INFO L138 BoogieDeclarations]: Found implementation of procedure find_font [2024-12-02 13:27:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 13:27:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_scrolldelta [2024-12-02 13:27:37,065 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_scrolldelta [2024-12-02 13:27:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_disp [2024-12-02 13:27:37,065 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_disp [2024-12-02 13:27:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 13:27:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 13:27:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 13:27:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 13:27:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 13:27:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 13:27:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 13:27:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 13:27:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 13:27:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 13:27:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 13:27:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 13:27:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 13:27:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 13:27:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 13:27:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 13:27:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 13:27:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 13:27:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 13:27:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 13:27:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 13:27:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-02 13:27:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-12-02 13:27:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear_margins [2024-12-02 13:27:37,067 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear_margins [2024-12-02 13:27:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 13:27:37,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 13:27:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure display_to_var [2024-12-02 13:27:37,068 INFO L138 BoogieDeclarations]: Found implementation of procedure display_to_var [2024-12-02 13:27:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 13:27:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 13:27:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 13:27:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 13:27:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 13:27:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 13:27:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 13:27:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 13:27:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 13:27:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 13:27:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 13:27:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 13:27:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 13:27:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 13:27:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 13:27:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 13:27:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 13:27:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 13:27:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 13:27:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 13:27:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-12-02 13:27:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-12-02 13:27:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-12-02 13:27:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-12-02 13:27:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 13:27:37,069 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 13:27:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~X~int~TO~VOID [2024-12-02 13:27:37,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~X~int~TO~VOID [2024-12-02 13:27:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-02 13:27:37,069 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-02 13:27:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-12-02 13:27:37,069 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-12-02 13:27:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-12-02 13:27:37,069 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-12-02 13:27:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_enter [2024-12-02 13:27:37,069 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_enter [2024-12-02 13:27:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_del_cursor_timer [2024-12-02 13:27:37,069 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_del_cursor_timer [2024-12-02 13:27:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_move [2024-12-02 13:27:37,069 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_move [2024-12-02 13:27:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 13:27:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 13:27:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 13:27:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 13:27:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 13:27:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 13:27:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 13:27:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 13:27:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 13:27:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 13:27:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 13:27:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 13:27:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 13:27:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 13:27:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 13:27:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 13:27:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 13:27:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 13:27:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 13:27:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-12-02 13:27:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-12-02 13:27:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-12-02 13:27:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-12-02 13:27:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2024-12-02 13:27:37,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2024-12-02 13:27:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 13:27:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 13:27:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 13:27:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 13:27:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 13:27:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 13:27:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 13:27:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 13:27:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 13:27:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 13:27:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 13:27:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 13:27:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 13:27:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 13:27:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 13:27:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 13:27:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 13:27:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 13:27:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 13:27:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 13:27:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 13:27:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-02 13:27:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-12-02 13:27:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_is_inactive [2024-12-02 13:27:37,072 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_is_inactive [2024-12-02 13:27:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear [2024-12-02 13:27:37,072 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear [2024-12-02 13:27:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_add_cursor_timer [2024-12-02 13:27:37,072 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_add_cursor_timer [2024-12-02 13:27:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 13:27:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 13:27:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 13:27:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 13:27:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 13:27:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 13:27:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 13:27:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 13:27:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 13:27:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 13:27:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 13:27:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 13:27:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 13:27:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 13:27:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 13:27:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 13:27:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 13:27:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 13:27:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 13:27:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 13:27:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 13:27:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-02 13:27:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-12-02 13:27:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_var [2024-12-02 13:27:37,073 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_var [2024-12-02 13:27:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 13:27:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 13:27:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 13:27:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 13:27:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 13:27:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 13:27:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 13:27:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 13:27:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 13:27:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 13:27:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 13:27:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 13:27:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 13:27:37,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 13:27:37,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 13:27:37,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 13:27:37,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 13:27:37,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-02 13:27:37,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-02 13:27:37,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-12-02 13:27:37,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-12-02 13:27:37,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-12-02 13:27:37,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2024-12-02 13:27:37,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 13:27:37,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 13:27:37,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 13:27:37,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 13:27:37,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 13:27:37,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 13:27:37,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 13:27:37,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 13:27:37,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 13:27:37,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 13:27:37,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 13:27:37,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 13:27:37,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 13:27:37,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 13:27:37,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 13:27:37,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 13:27:37,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 13:27:37,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-02 13:27:37,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-02 13:27:37,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-12-02 13:27:37,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-12-02 13:27:37,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-12-02 13:27:37,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2024-12-02 13:27:37,075 INFO L130 BoogieDeclarations]: Found specification of procedure set_blitting_type [2024-12-02 13:27:37,075 INFO L138 BoogieDeclarations]: Found implementation of procedure set_blitting_type [2024-12-02 13:27:37,075 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove_rec [2024-12-02 13:27:37,075 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove_rec [2024-12-02 13:27:37,075 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 13:27:37,075 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 13:27:37,075 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_palette [2024-12-02 13:27:37,075 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_palette [2024-12-02 13:27:37,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 13:27:37,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 13:27:37,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 13:27:37,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 13:27:37,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 13:27:37,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 13:27:37,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 13:27:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 13:27:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 13:27:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 13:27:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 13:27:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 13:27:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 13:27:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 13:27:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 13:27:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 13:27:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 13:27:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 13:27:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 13:27:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 13:27:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 13:27:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-02 13:27:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-12-02 13:27:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure set_con2fb_map [2024-12-02 13:27:37,076 INFO L138 BoogieDeclarations]: Found implementation of procedure set_con2fb_map [2024-12-02 13:27:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_leave [2024-12-02 13:27:37,076 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_leave [2024-12-02 13:27:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure console_conditional_schedule [2024-12-02 13:27:37,076 INFO L138 BoogieDeclarations]: Found implementation of procedure console_conditional_schedule [2024-12-02 13:27:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_copy_font [2024-12-02 13:27:37,076 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_copy_font [2024-12-02 13:27:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_do_set_font [2024-12-02 13:27:37,077 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_do_set_font [2024-12-02 13:27:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-12-02 13:27:37,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-12-02 13:27:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 13:27:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_acquire_newinfo [2024-12-02 13:27:37,077 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_acquire_newinfo [2024-12-02 13:27:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-12-02 13:27:37,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-12-02 13:27:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_color_depth [2024-12-02 13:27:37,077 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_color_depth [2024-12-02 13:27:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:27:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_prepare_logo [2024-12-02 13:27:37,077 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_prepare_logo [2024-12-02 13:27:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 13:27:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 13:27:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 13:27:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 13:27:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 13:27:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 13:27:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 13:27:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 13:27:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 13:27:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 13:27:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 13:27:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 13:27:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 13:27:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 13:27:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 13:27:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 13:27:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 13:27:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 13:27:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 13:27:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 13:27:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 13:27:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-02 13:27:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-12-02 13:27:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_blit [2024-12-02 13:27:37,078 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_blit [2024-12-02 13:27:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-12-02 13:27:37,078 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-12-02 13:27:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2024-12-02 13:27:37,079 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2024-12-02 13:27:37,079 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2024-12-02 13:27:37,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2024-12-02 13:27:37,079 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 13:27:37,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 13:27:37,079 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2024-12-02 13:27:37,079 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2024-12-02 13:27:37,079 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_modechanged [2024-12-02 13:27:37,079 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_modechanged [2024-12-02 13:27:37,079 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2024-12-02 13:27:37,079 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2024-12-02 13:27:37,079 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_invert_region [2024-12-02 13:27:37,079 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_invert_region [2024-12-02 13:27:37,079 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_all_vcs [2024-12-02 13:27:37,079 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_all_vcs [2024-12-02 13:27:37,079 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw [2024-12-02 13:27:37,079 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw [2024-12-02 13:27:37,079 INFO L130 BoogieDeclarations]: Found specification of procedure updatescrollmode [2024-12-02 13:27:37,079 INFO L138 BoogieDeclarations]: Found implementation of procedure updatescrollmode [2024-12-02 13:27:37,079 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_switch [2024-12-02 13:27:37,079 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_switch [2024-12-02 13:27:37,079 INFO L130 BoogieDeclarations]: Found specification of procedure vc_resize [2024-12-02 13:27:37,079 INFO L138 BoogieDeclarations]: Found implementation of procedure vc_resize [2024-12-02 13:27:37,079 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-12-02 13:27:37,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-12-02 13:27:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure redraw_screen [2024-12-02 13:27:37,080 INFO L138 BoogieDeclarations]: Found implementation of procedure redraw_screen [2024-12-02 13:27:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:27:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 13:27:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 13:27:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 13:27:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 13:27:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 13:27:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 13:27:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 13:27:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 13:27:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 13:27:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 13:27:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 13:27:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 13:27:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 13:27:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 13:27:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 13:27:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 13:27:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 13:27:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 13:27:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 13:27:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 13:27:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-02 13:27:37,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-12-02 13:27:37,081 INFO L130 BoogieDeclarations]: Found specification of procedure search_fb_in_map [2024-12-02 13:27:37,081 INFO L138 BoogieDeclarations]: Found implementation of procedure search_fb_in_map [2024-12-02 13:27:37,081 INFO L130 BoogieDeclarations]: Found specification of procedure con_set_default_unimap [2024-12-02 13:27:37,081 INFO L138 BoogieDeclarations]: Found implementation of procedure con_set_default_unimap [2024-12-02 13:27:37,081 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2024-12-02 13:27:37,081 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2024-12-02 13:27:37,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:27:37,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:27:37,081 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-12-02 13:27:37,081 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-12-02 13:27:38,073 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:27:38,076 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:27:41,143 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 13:28:24,751 INFO L? ?]: Removed 2963 outVars from TransFormulas that were not future-live. [2024-12-02 13:28:24,751 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:28:24,789 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:28:24,790 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 13:28:24,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:28:24 BoogieIcfgContainer [2024-12-02 13:28:24,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:28:24,792 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:28:24,792 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:28:24,795 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:28:24,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:27:33" (1/3) ... [2024-12-02 13:28:24,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a948e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:28:24, skipping insertion in model container [2024-12-02 13:28:24,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:27:35" (2/3) ... [2024-12-02 13:28:24,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a948e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:28:24, skipping insertion in model container [2024-12-02 13:28:24,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:28:24" (3/3) ... [2024-12-02 13:28:24,797 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2024-12-02 13:28:24,807 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:28:24,810 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i that has 128 procedures, 2532 locations, 1 initial locations, 69 loop locations, and 1 error locations. [2024-12-02 13:28:24,886 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:28:24,895 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;@7c4dadef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:28:24,896 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:28:24,904 INFO L276 IsEmpty]: Start isEmpty. Operand has 2337 states, 1848 states have (on average 1.454004329004329) internal successors, (2687), 1905 states have internal predecessors, (2687), 404 states have call successors, (404), 84 states have call predecessors, (404), 83 states have return successors, (399), 383 states have call predecessors, (399), 399 states have call successors, (399) [2024-12-02 13:28:24,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2024-12-02 13:28:24,937 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:28:24,938 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:28:24,938 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:28:24,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:28:24,942 INFO L85 PathProgramCache]: Analyzing trace with hash -612717896, now seen corresponding path program 1 times [2024-12-02 13:28:24,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:28:24,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563336625] [2024-12-02 13:28:24,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:28:24,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:28:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:28:27,162 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 5406 trivial. 0 not checked. [2024-12-02 13:28:27,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:28:27,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563336625] [2024-12-02 13:28:27,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563336625] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:28:27,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102943596] [2024-12-02 13:28:27,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:28:27,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:28:27,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:28:27,166 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:28:27,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:28:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:28:30,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 8419 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:28:30,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:28:30,360 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 5378 trivial. 0 not checked. [2024-12-02 13:28:30,360 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:28:30,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1102943596] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:28:30,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:28:30,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 13:28:30,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504802657] [2024-12-02 13:28:30,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:28:30,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:28:30,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:28:30,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:28:30,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:28:30,385 INFO L87 Difference]: Start difference. First operand has 2337 states, 1848 states have (on average 1.454004329004329) internal successors, (2687), 1905 states have internal predecessors, (2687), 404 states have call successors, (404), 84 states have call predecessors, (404), 83 states have return successors, (399), 383 states have call predecessors, (399), 399 states have call successors, (399) Second operand has 2 states, 2 states have (on average 45.5) internal successors, (91), 2 states have internal predecessors, (91), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-12-02 13:28:30,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:28:30,527 INFO L93 Difference]: Finished difference Result 4669 states and 7116 transitions. [2024-12-02 13:28:30,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:28:30,529 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 45.5) internal successors, (91), 2 states have internal predecessors, (91), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 539 [2024-12-02 13:28:30,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:28:30,557 INFO L225 Difference]: With dead ends: 4669 [2024-12-02 13:28:30,557 INFO L226 Difference]: Without dead ends: 2325 [2024-12-02 13:28:30,573 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 540 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:28:30,575 INFO L435 NwaCegarLoop]: 3479 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3479 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:28:30,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3479 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:28:30,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2325 states. [2024-12-02 13:28:30,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2325 to 2325. [2024-12-02 13:28:30,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2325 states, 1843 states have (on average 1.4476397178513294) internal successors, (2668), 1893 states have internal predecessors, (2668), 399 states have call successors, (399), 83 states have call predecessors, (399), 82 states have return successors, (397), 381 states have call predecessors, (397), 397 states have call successors, (397) [2024-12-02 13:28:30,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2325 states to 2325 states and 3464 transitions. [2024-12-02 13:28:30,735 INFO L78 Accepts]: Start accepts. Automaton has 2325 states and 3464 transitions. Word has length 539 [2024-12-02 13:28:30,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:28:30,735 INFO L471 AbstractCegarLoop]: Abstraction has 2325 states and 3464 transitions. [2024-12-02 13:28:30,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 45.5) internal successors, (91), 2 states have internal predecessors, (91), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-12-02 13:28:30,736 INFO L276 IsEmpty]: Start isEmpty. Operand 2325 states and 3464 transitions. [2024-12-02 13:28:30,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2024-12-02 13:28:30,753 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:28:30,753 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:28:30,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:28:30,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:28:30,954 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:28:30,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:28:30,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1947670696, now seen corresponding path program 1 times [2024-12-02 13:28:30,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:28:30,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631363291] [2024-12-02 13:28:30,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:28:30,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:28:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:28:33,600 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2024-12-02 13:28:33,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:28:33,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631363291] [2024-12-02 13:28:33,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631363291] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:28:33,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:28:33,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:28:33,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336960091] [2024-12-02 13:28:33,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:28:33,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:28:33,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:28:33,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:28:33,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:28:33,603 INFO L87 Difference]: Start difference. First operand 2325 states and 3464 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 13:28:37,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:28:38,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:28:38,020 INFO L93 Difference]: Finished difference Result 6709 states and 10014 transitions. [2024-12-02 13:28:38,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:28:38,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 539 [2024-12-02 13:28:38,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:28:38,055 INFO L225 Difference]: With dead ends: 6709 [2024-12-02 13:28:38,055 INFO L226 Difference]: Without dead ends: 4481 [2024-12-02 13:28:38,066 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 13:28:38,067 INFO L435 NwaCegarLoop]: 3465 mSDtfsCounter, 3273 mSDsluCounter, 3395 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3273 SdHoareTripleChecker+Valid, 6860 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:28:38,068 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3273 Valid, 6860 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 13:28:38,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4481 states. [2024-12-02 13:28:38,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4481 to 4478. [2024-12-02 13:28:38,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4478 states, 3582 states have (on average 1.4561697375767728) internal successors, (5216), 3679 states have internal predecessors, (5216), 735 states have call successors, (735), 161 states have call predecessors, (735), 160 states have return successors, (733), 701 states have call predecessors, (733), 733 states have call successors, (733) [2024-12-02 13:28:38,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4478 states to 4478 states and 6684 transitions. [2024-12-02 13:28:38,259 INFO L78 Accepts]: Start accepts. Automaton has 4478 states and 6684 transitions. Word has length 539 [2024-12-02 13:28:38,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:28:38,260 INFO L471 AbstractCegarLoop]: Abstraction has 4478 states and 6684 transitions. [2024-12-02 13:28:38,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 13:28:38,261 INFO L276 IsEmpty]: Start isEmpty. Operand 4478 states and 6684 transitions. [2024-12-02 13:28:38,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2024-12-02 13:28:38,273 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:28:38,274 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:28:38,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:28:38,274 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:28:38,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:28:38,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1838418139, now seen corresponding path program 1 times [2024-12-02 13:28:38,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:28:38,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780257927] [2024-12-02 13:28:38,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:28:38,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:28:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:28:40,314 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2024-12-02 13:28:40,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:28:40,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780257927] [2024-12-02 13:28:40,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780257927] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:28:40,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:28:40,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:28:40,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41455196] [2024-12-02 13:28:40,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:28:40,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:28:40,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:28:40,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:28:40,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:28:40,317 INFO L87 Difference]: Start difference. First operand 4478 states and 6684 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-12-02 13:28:40,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:28:40,483 INFO L93 Difference]: Finished difference Result 8861 states and 13232 transitions. [2024-12-02 13:28:40,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:28:40,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 556 [2024-12-02 13:28:40,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:28:40,514 INFO L225 Difference]: With dead ends: 8861 [2024-12-02 13:28:40,515 INFO L226 Difference]: Without dead ends: 4480 [2024-12-02 13:28:40,533 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 13:28:40,533 INFO L435 NwaCegarLoop]: 3462 mSDtfsCounter, 1 mSDsluCounter, 3458 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6920 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:28:40,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6920 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:28:40,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4480 states. [2024-12-02 13:28:40,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4480 to 4479. [2024-12-02 13:28:40,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4479 states, 3583 states have (on average 1.456042422550935) internal successors, (5217), 3680 states have internal predecessors, (5217), 735 states have call successors, (735), 161 states have call predecessors, (735), 160 states have return successors, (733), 701 states have call predecessors, (733), 733 states have call successors, (733) [2024-12-02 13:28:40,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4479 states to 4479 states and 6685 transitions. [2024-12-02 13:28:40,701 INFO L78 Accepts]: Start accepts. Automaton has 4479 states and 6685 transitions. Word has length 556 [2024-12-02 13:28:40,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:28:40,702 INFO L471 AbstractCegarLoop]: Abstraction has 4479 states and 6685 transitions. [2024-12-02 13:28:40,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-12-02 13:28:40,702 INFO L276 IsEmpty]: Start isEmpty. Operand 4479 states and 6685 transitions. [2024-12-02 13:28:40,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2024-12-02 13:28:40,714 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:28:40,714 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:28:40,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 13:28:40,714 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:28:40,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:28:40,715 INFO L85 PathProgramCache]: Analyzing trace with hash 582683073, now seen corresponding path program 1 times [2024-12-02 13:28:40,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:28:40,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633528042] [2024-12-02 13:28:40,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:28:40,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:28:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:28:42,984 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2024-12-02 13:28:42,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:28:42,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633528042] [2024-12-02 13:28:42,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633528042] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:28:42,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840357606] [2024-12-02 13:28:42,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:28:42,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:28:42,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:28:42,986 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:28:42,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 13:28:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:28:45,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 8402 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 13:28:45,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:28:48,122 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5442 trivial. 0 not checked. [2024-12-02 13:28:48,122 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:28:48,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840357606] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:28:48,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:28:48,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 13:28:48,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938486256] [2024-12-02 13:28:48,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:28:48,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:28:48,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:28:48,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:28:48,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:28:48,124 INFO L87 Difference]: Start difference. First operand 4479 states and 6685 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-12-02 13:28:48,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:28:48,360 INFO L93 Difference]: Finished difference Result 13240 states and 19821 transitions. [2024-12-02 13:28:48,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:28:48,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 558 [2024-12-02 13:28:48,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:28:48,419 INFO L225 Difference]: With dead ends: 13240 [2024-12-02 13:28:48,419 INFO L226 Difference]: Without dead ends: 8852 [2024-12-02 13:28:48,443 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 561 GetRequests, 558 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:28:48,444 INFO L435 NwaCegarLoop]: 3586 mSDtfsCounter, 3259 mSDsluCounter, 3327 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3259 SdHoareTripleChecker+Valid, 6913 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:28:48,444 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3259 Valid, 6913 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:28:48,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8852 states. [2024-12-02 13:28:48,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8852 to 8848. [2024-12-02 13:28:48,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8848 states, 7106 states have (on average 1.4591894173937519) internal successors, (10369), 7300 states have internal predecessors, (10369), 1423 states have call successors, (1423), 319 states have call predecessors, (1423), 318 states have return successors, (1436), 1356 states have call predecessors, (1436), 1420 states have call successors, (1436) [2024-12-02 13:28:48,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8848 states to 8848 states and 13228 transitions. [2024-12-02 13:28:48,853 INFO L78 Accepts]: Start accepts. Automaton has 8848 states and 13228 transitions. Word has length 558 [2024-12-02 13:28:48,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:28:48,854 INFO L471 AbstractCegarLoop]: Abstraction has 8848 states and 13228 transitions. [2024-12-02 13:28:48,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-12-02 13:28:48,855 INFO L276 IsEmpty]: Start isEmpty. Operand 8848 states and 13228 transitions. [2024-12-02 13:28:48,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2024-12-02 13:28:48,866 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:28:48,866 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:28:48,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 13:28:49,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:28:49,067 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:28:49,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:28:49,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1418766929, now seen corresponding path program 1 times [2024-12-02 13:28:49,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:28:49,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578573046] [2024-12-02 13:28:49,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:28:49,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:28:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:28:50,674 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2024-12-02 13:28:50,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:28:50,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578573046] [2024-12-02 13:28:50,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578573046] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:28:50,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:28:50,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:28:50,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738677290] [2024-12-02 13:28:50,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:28:50,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:28:50,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:28:50,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:28:50,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:28:50,676 INFO L87 Difference]: Start difference. First operand 8848 states and 13228 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-12-02 13:28:50,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:28:50,978 INFO L93 Difference]: Finished difference Result 24773 states and 36965 transitions. [2024-12-02 13:28:50,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:28:50,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 560 [2024-12-02 13:28:50,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:28:51,052 INFO L225 Difference]: With dead ends: 24773 [2024-12-02 13:28:51,052 INFO L226 Difference]: Without dead ends: 16022 [2024-12-02 13:28:51,131 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 13:28:51,131 INFO L435 NwaCegarLoop]: 3493 mSDtfsCounter, 2857 mSDsluCounter, 3319 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2857 SdHoareTripleChecker+Valid, 6812 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:28:51,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2857 Valid, 6812 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:28:51,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16022 states. [2024-12-02 13:28:51,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16022 to 16014. [2024-12-02 13:28:51,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16014 states, 12887 states have (on average 1.4589120819430434) internal successors, (18801), 13243 states have internal predecessors, (18801), 2523 states have call successors, (2523), 604 states have call predecessors, (2523), 603 states have return successors, (2541), 2394 states have call predecessors, (2541), 2519 states have call successors, (2541) [2024-12-02 13:28:51,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16014 states to 16014 states and 23865 transitions. [2024-12-02 13:28:51,510 INFO L78 Accepts]: Start accepts. Automaton has 16014 states and 23865 transitions. Word has length 560 [2024-12-02 13:28:51,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:28:51,511 INFO L471 AbstractCegarLoop]: Abstraction has 16014 states and 23865 transitions. [2024-12-02 13:28:51,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-12-02 13:28:51,512 INFO L276 IsEmpty]: Start isEmpty. Operand 16014 states and 23865 transitions. [2024-12-02 13:28:51,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2024-12-02 13:28:51,518 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:28:51,519 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:28:51,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 13:28:51,519 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:28:51,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:28:51,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1010053019, now seen corresponding path program 1 times [2024-12-02 13:28:51,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:28:51,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670161761] [2024-12-02 13:28:51,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:28:51,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:28:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:28:53,004 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2024-12-02 13:28:53,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:28:53,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670161761] [2024-12-02 13:28:53,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670161761] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:28:53,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:28:53,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:28:53,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119296201] [2024-12-02 13:28:53,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:28:53,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:28:53,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:28:53,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:28:53,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:28:53,006 INFO L87 Difference]: Start difference. First operand 16014 states and 23865 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-12-02 13:28:57,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:28:57,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:28:57,656 INFO L93 Difference]: Finished difference Result 39624 states and 58679 transitions. [2024-12-02 13:28:57,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:28:57,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 559 [2024-12-02 13:28:57,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:28:57,744 INFO L225 Difference]: With dead ends: 39624 [2024-12-02 13:28:57,744 INFO L226 Difference]: Without dead ends: 23713 [2024-12-02 13:28:57,784 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 13:28:57,784 INFO L435 NwaCegarLoop]: 4830 mSDtfsCounter, 2191 mSDsluCounter, 3250 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2191 SdHoareTripleChecker+Valid, 8080 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:28:57,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2191 Valid, 8080 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 74 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-12-02 13:28:57,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23713 states. [2024-12-02 13:28:58,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23713 to 23705. [2024-12-02 13:28:58,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23705 states, 19205 states have (on average 1.4535797969278834) internal successors, (27916), 19683 states have internal predecessors, (27916), 3499 states have call successors, (3499), 1003 states have call predecessors, (3499), 1000 states have return successors, (3527), 3336 states have call predecessors, (3527), 3493 states have call successors, (3527) [2024-12-02 13:28:58,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23705 states to 23705 states and 34942 transitions. [2024-12-02 13:28:58,293 INFO L78 Accepts]: Start accepts. Automaton has 23705 states and 34942 transitions. Word has length 559 [2024-12-02 13:28:58,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:28:58,293 INFO L471 AbstractCegarLoop]: Abstraction has 23705 states and 34942 transitions. [2024-12-02 13:28:58,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-12-02 13:28:58,293 INFO L276 IsEmpty]: Start isEmpty. Operand 23705 states and 34942 transitions. [2024-12-02 13:28:58,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 626 [2024-12-02 13:28:58,359 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:28:58,360 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:28:58,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 13:28:58,360 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:28:58,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:28:58,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1401512125, now seen corresponding path program 1 times [2024-12-02 13:28:58,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:28:58,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865170950] [2024-12-02 13:28:58,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:28:58,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:28:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:29:00,537 INFO L134 CoverageAnalysis]: Checked inductivity of 5688 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 5681 trivial. 0 not checked. [2024-12-02 13:29:00,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:29:00,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865170950] [2024-12-02 13:29:00,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865170950] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:29:00,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611805448] [2024-12-02 13:29:00,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:29:00,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:29:00,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:00,539 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:29:00,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 13:29:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:29:03,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 8807 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:29:03,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:29:03,774 INFO L134 CoverageAnalysis]: Checked inductivity of 5688 backedges. 232 proven. 0 refuted. 0 times theorem prover too weak. 5456 trivial. 0 not checked. [2024-12-02 13:29:03,774 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:29:03,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611805448] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:29:03,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:29:03,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 13:29:03,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987045479] [2024-12-02 13:29:03,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:29:03,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:29:03,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:29:03,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:29:03,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:29:03,776 INFO L87 Difference]: Start difference. First operand 23705 states and 34942 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2024-12-02 13:29:07,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:29:08,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:29:08,379 INFO L93 Difference]: Finished difference Result 52034 states and 76468 transitions. [2024-12-02 13:29:08,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:29:08,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 625 [2024-12-02 13:29:08,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:29:08,525 INFO L225 Difference]: With dead ends: 52034 [2024-12-02 13:29:08,525 INFO L226 Difference]: Without dead ends: 45622 [2024-12-02 13:29:08,548 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 628 GetRequests, 625 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:29:08,548 INFO L435 NwaCegarLoop]: 3901 mSDtfsCounter, 3262 mSDsluCounter, 3446 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3262 SdHoareTripleChecker+Valid, 7347 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:29:08,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3262 Valid, 7347 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 13:29:08,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45622 states. [2024-12-02 13:29:09,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45622 to 45567. [2024-12-02 13:29:09,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45567 states, 36937 states have (on average 1.4548284917562335) internal successors, (53737), 37859 states have internal predecessors, (53737), 6731 states have call successors, (6731), 1901 states have call predecessors, (6731), 1898 states have return successors, (6793), 6420 states have call predecessors, (6793), 6725 states have call successors, (6793) [2024-12-02 13:29:09,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45567 states to 45567 states and 67261 transitions. [2024-12-02 13:29:09,627 INFO L78 Accepts]: Start accepts. Automaton has 45567 states and 67261 transitions. Word has length 625 [2024-12-02 13:29:09,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:29:09,628 INFO L471 AbstractCegarLoop]: Abstraction has 45567 states and 67261 transitions. [2024-12-02 13:29:09,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2024-12-02 13:29:09,628 INFO L276 IsEmpty]: Start isEmpty. Operand 45567 states and 67261 transitions. [2024-12-02 13:29:09,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2024-12-02 13:29:09,649 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:29:09,649 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:29:09,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 13:29:09,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:29:09,849 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:29:09,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:29:09,850 INFO L85 PathProgramCache]: Analyzing trace with hash -226868563, now seen corresponding path program 1 times [2024-12-02 13:29:09,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:29:09,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566456191] [2024-12-02 13:29:09,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:29:09,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:29:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:29:11,736 INFO L134 CoverageAnalysis]: Checked inductivity of 5688 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 5681 trivial. 0 not checked. [2024-12-02 13:29:11,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:29:11,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566456191] [2024-12-02 13:29:11,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566456191] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:29:11,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671503616] [2024-12-02 13:29:11,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:29:11,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:29:11,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:11,739 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:29:11,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 13:29:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:29:14,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 8811 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 13:29:14,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:29:14,706 INFO L134 CoverageAnalysis]: Checked inductivity of 5688 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5688 trivial. 0 not checked. [2024-12-02 13:29:14,706 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:29:14,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671503616] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:29:14,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:29:14,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 13:29:14,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156870466] [2024-12-02 13:29:14,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:29:14,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:29:14,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:29:14,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:29:14,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:29:14,708 INFO L87 Difference]: Start difference. First operand 45567 states and 67261 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-12-02 13:29:15,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:29:15,456 INFO L93 Difference]: Finished difference Result 91143 states and 134549 transitions. [2024-12-02 13:29:15,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:29:15,456 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 626 [2024-12-02 13:29:15,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:29:15,620 INFO L225 Difference]: With dead ends: 91143 [2024-12-02 13:29:15,620 INFO L226 Difference]: Without dead ends: 45683 [2024-12-02 13:29:15,711 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 629 GetRequests, 626 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:29:15,711 INFO L435 NwaCegarLoop]: 3469 mSDtfsCounter, 20 mSDsluCounter, 3441 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 6910 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:29:15,712 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 6910 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:29:15,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45683 states. [2024-12-02 13:29:16,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45683 to 45587. [2024-12-02 13:29:16,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45587 states, 36957 states have (on average 1.454582352463674) internal successors, (53757), 37879 states have internal predecessors, (53757), 6731 states have call successors, (6731), 1901 states have call predecessors, (6731), 1898 states have return successors, (6793), 6420 states have call predecessors, (6793), 6725 states have call successors, (6793) [2024-12-02 13:29:16,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45587 states to 45587 states and 67281 transitions. [2024-12-02 13:29:16,791 INFO L78 Accepts]: Start accepts. Automaton has 45587 states and 67281 transitions. Word has length 626 [2024-12-02 13:29:16,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:29:16,792 INFO L471 AbstractCegarLoop]: Abstraction has 45587 states and 67281 transitions. [2024-12-02 13:29:16,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-12-02 13:29:16,792 INFO L276 IsEmpty]: Start isEmpty. Operand 45587 states and 67281 transitions. [2024-12-02 13:29:16,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 629 [2024-12-02 13:29:16,811 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:29:16,812 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:29:16,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 13:29:17,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:29:17,012 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:29:17,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:29:17,013 INFO L85 PathProgramCache]: Analyzing trace with hash -387904724, now seen corresponding path program 1 times [2024-12-02 13:29:17,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:29:17,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485182943] [2024-12-02 13:29:17,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:29:17,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:29:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:29:19,181 INFO L134 CoverageAnalysis]: Checked inductivity of 5688 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 5681 trivial. 0 not checked. [2024-12-02 13:29:19,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:29:19,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485182943] [2024-12-02 13:29:19,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485182943] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:29:19,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869398928] [2024-12-02 13:29:19,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:29:19,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:29:19,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:19,184 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:29:19,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 13:29:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:29:22,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 8817 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 13:29:22,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:29:22,193 INFO L134 CoverageAnalysis]: Checked inductivity of 5688 backedges. 232 proven. 1 refuted. 0 times theorem prover too weak. 5455 trivial. 0 not checked. [2024-12-02 13:29:22,193 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:29:23,745 INFO L134 CoverageAnalysis]: Checked inductivity of 5688 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 5681 trivial. 0 not checked. [2024-12-02 13:29:23,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869398928] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:29:23,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:29:23,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-12-02 13:29:23,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850388510] [2024-12-02 13:29:23,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:29:23,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:29:23,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:29:23,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:29:23,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:29:23,747 INFO L87 Difference]: Start difference. First operand 45587 states and 67281 transitions. Second operand has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 7 states have internal predecessors, (155), 2 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2024-12-02 13:29:24,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:29:24,482 INFO L93 Difference]: Finished difference Result 91163 states and 134557 transitions. [2024-12-02 13:29:24,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:29:24,482 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 7 states have internal predecessors, (155), 2 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 628 [2024-12-02 13:29:24,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:29:24,647 INFO L225 Difference]: With dead ends: 91163 [2024-12-02 13:29:24,647 INFO L226 Difference]: Without dead ends: 45683 [2024-12-02 13:29:24,756 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1258 GetRequests, 1253 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:29:24,756 INFO L435 NwaCegarLoop]: 3462 mSDtfsCounter, 2 mSDsluCounter, 10374 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 13836 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:29:24,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13836 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:29:24,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45683 states. [2024-12-02 13:29:25,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45683 to 45683. [2024-12-02 13:29:25,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45683 states, 37053 states have (on average 1.4534045826248887) internal successors, (53853), 37975 states have internal predecessors, (53853), 6731 states have call successors, (6731), 1901 states have call predecessors, (6731), 1898 states have return successors, (6793), 6420 states have call predecessors, (6793), 6725 states have call successors, (6793) [2024-12-02 13:29:25,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45683 states to 45683 states and 67377 transitions. [2024-12-02 13:29:25,755 INFO L78 Accepts]: Start accepts. Automaton has 45683 states and 67377 transitions. Word has length 628 [2024-12-02 13:29:25,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:29:25,755 INFO L471 AbstractCegarLoop]: Abstraction has 45683 states and 67377 transitions. [2024-12-02 13:29:25,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 7 states have internal predecessors, (155), 2 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2024-12-02 13:29:25,756 INFO L276 IsEmpty]: Start isEmpty. Operand 45683 states and 67377 transitions. [2024-12-02 13:29:25,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 635 [2024-12-02 13:29:25,766 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:29:25,766 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:29:25,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 13:29:25,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:29:25,966 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:29:25,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:29:25,967 INFO L85 PathProgramCache]: Analyzing trace with hash -18175488, now seen corresponding path program 2 times [2024-12-02 13:29:25,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:29:25,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370745040] [2024-12-02 13:29:25,967 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 13:29:25,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:29:27,126 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 13:29:27,127 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:29:27,617 INFO L134 CoverageAnalysis]: Checked inductivity of 5703 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5703 trivial. 0 not checked. [2024-12-02 13:29:27,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:29:27,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370745040] [2024-12-02 13:29:27,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370745040] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:29:27,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:29:27,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:29:27,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874457031] [2024-12-02 13:29:27,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:29:27,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:29:27,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:29:27,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:29:27,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:29:27,619 INFO L87 Difference]: Start difference. First operand 45683 states and 67377 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-12-02 13:29:28,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:29:28,263 INFO L93 Difference]: Finished difference Result 52127 states and 76562 transitions. [2024-12-02 13:29:28,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:29:28,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 634 [2024-12-02 13:29:28,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:29:28,456 INFO L225 Difference]: With dead ends: 52127 [2024-12-02 13:29:28,456 INFO L226 Difference]: Without dead ends: 45707 [2024-12-02 13:29:28,501 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 13:29:28,501 INFO L435 NwaCegarLoop]: 3462 mSDtfsCounter, 1 mSDsluCounter, 3458 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6920 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:29:28,502 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6920 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:29:28,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45707 states. [2024-12-02 13:29:29,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45707 to 45691. [2024-12-02 13:29:29,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45691 states, 37061 states have (on average 1.4533067105582689) internal successors, (53861), 37983 states have internal predecessors, (53861), 6731 states have call successors, (6731), 1901 states have call predecessors, (6731), 1898 states have return successors, (6793), 6420 states have call predecessors, (6793), 6725 states have call successors, (6793) [2024-12-02 13:29:29,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45691 states to 45691 states and 67385 transitions. [2024-12-02 13:29:29,310 INFO L78 Accepts]: Start accepts. Automaton has 45691 states and 67385 transitions. Word has length 634 [2024-12-02 13:29:29,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:29:29,311 INFO L471 AbstractCegarLoop]: Abstraction has 45691 states and 67385 transitions. [2024-12-02 13:29:29,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-12-02 13:29:29,311 INFO L276 IsEmpty]: Start isEmpty. Operand 45691 states and 67385 transitions. [2024-12-02 13:29:29,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2024-12-02 13:29:29,417 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:29:29,417 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:29:29,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 13:29:29,417 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:29:29,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:29:29,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1504978472, now seen corresponding path program 1 times [2024-12-02 13:29:29,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:29:29,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520495424] [2024-12-02 13:29:29,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:29:29,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:29:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:29:31,054 INFO L134 CoverageAnalysis]: Checked inductivity of 5703 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5697 trivial. 0 not checked. [2024-12-02 13:29:31,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:29:31,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520495424] [2024-12-02 13:29:31,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520495424] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:29:31,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:29:31,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:29:31,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142332425] [2024-12-02 13:29:31,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:29:31,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:29:31,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:29:31,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:29:31,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:29:31,056 INFO L87 Difference]: Start difference. First operand 45691 states and 67385 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-12-02 13:29:31,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:29:31,746 INFO L93 Difference]: Finished difference Result 91283 states and 134637 transitions. [2024-12-02 13:29:31,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:29:31,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 635 [2024-12-02 13:29:31,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:29:31,915 INFO L225 Difference]: With dead ends: 91283 [2024-12-02 13:29:31,916 INFO L226 Difference]: Without dead ends: 45699 [2024-12-02 13:29:32,025 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 13:29:32,026 INFO L435 NwaCegarLoop]: 3463 mSDtfsCounter, 2 mSDsluCounter, 3454 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6917 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:29:32,026 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6917 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:29:32,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45699 states. [2024-12-02 13:29:32,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45699 to 45699. [2024-12-02 13:29:32,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45699 states, 37069 states have (on average 1.453208880735925) internal successors, (53869), 37991 states have internal predecessors, (53869), 6731 states have call successors, (6731), 1901 states have call predecessors, (6731), 1898 states have return successors, (6793), 6420 states have call predecessors, (6793), 6725 states have call successors, (6793) [2024-12-02 13:29:32,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45699 states to 45699 states and 67393 transitions. [2024-12-02 13:29:32,944 INFO L78 Accepts]: Start accepts. Automaton has 45699 states and 67393 transitions. Word has length 635 [2024-12-02 13:29:32,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:29:32,945 INFO L471 AbstractCegarLoop]: Abstraction has 45699 states and 67393 transitions. [2024-12-02 13:29:32,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-12-02 13:29:32,945 INFO L276 IsEmpty]: Start isEmpty. Operand 45699 states and 67393 transitions. [2024-12-02 13:29:32,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2024-12-02 13:29:32,957 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:29:32,957 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:29:32,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 13:29:32,957 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:29:32,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:29:32,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1380925416, now seen corresponding path program 1 times [2024-12-02 13:29:32,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:29:32,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991953551] [2024-12-02 13:29:32,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:29:32,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:29:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:29:35,034 INFO L134 CoverageAnalysis]: Checked inductivity of 5703 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 5681 trivial. 0 not checked. [2024-12-02 13:29:35,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:29:35,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991953551] [2024-12-02 13:29:35,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991953551] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:29:35,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448089778] [2024-12-02 13:29:35,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:29:35,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:29:35,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:35,036 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:29:35,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 13:29:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:29:38,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 8893 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 13:29:38,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:29:38,229 INFO L134 CoverageAnalysis]: Checked inductivity of 5703 backedges. 232 proven. 16 refuted. 0 times theorem prover too weak. 5455 trivial. 0 not checked. [2024-12-02 13:29:38,229 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:29:39,815 INFO L134 CoverageAnalysis]: Checked inductivity of 5703 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 5681 trivial. 0 not checked. [2024-12-02 13:29:39,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448089778] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:29:39,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:29:39,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-12-02 13:29:39,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735681270] [2024-12-02 13:29:39,816 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:29:39,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 13:29:39,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:29:39,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 13:29:39,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:29:39,818 INFO L87 Difference]: Start difference. First operand 45699 states and 67393 transitions. Second operand has 13 states, 13 states have (on average 12.846153846153847) internal successors, (167), 13 states have internal predecessors, (167), 2 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2024-12-02 13:29:40,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:29:40,490 INFO L93 Difference]: Finished difference Result 91483 states and 134925 transitions. [2024-12-02 13:29:40,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 13:29:40,491 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.846153846153847) internal successors, (167), 13 states have internal predecessors, (167), 2 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 636 [2024-12-02 13:29:40,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:29:40,646 INFO L225 Difference]: With dead ends: 91483 [2024-12-02 13:29:40,647 INFO L226 Difference]: Without dead ends: 45891 [2024-12-02 13:29:40,750 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1277 GetRequests, 1266 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:29:40,750 INFO L435 NwaCegarLoop]: 3462 mSDtfsCounter, 2 mSDsluCounter, 6916 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 10378 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:29:40,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 10378 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:29:40,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45891 states. [2024-12-02 13:29:41,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45891 to 45891. [2024-12-02 13:29:41,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45891 states, 37261 states have (on average 1.4508735675371032) internal successors, (54061), 38183 states have internal predecessors, (54061), 6731 states have call successors, (6731), 1901 states have call predecessors, (6731), 1898 states have return successors, (6793), 6420 states have call predecessors, (6793), 6725 states have call successors, (6793) [2024-12-02 13:29:41,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45891 states to 45891 states and 67585 transitions. [2024-12-02 13:29:41,978 INFO L78 Accepts]: Start accepts. Automaton has 45891 states and 67585 transitions. Word has length 636 [2024-12-02 13:29:41,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:29:41,979 INFO L471 AbstractCegarLoop]: Abstraction has 45891 states and 67585 transitions. [2024-12-02 13:29:41,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.846153846153847) internal successors, (167), 13 states have internal predecessors, (167), 2 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2024-12-02 13:29:41,979 INFO L276 IsEmpty]: Start isEmpty. Operand 45891 states and 67585 transitions. [2024-12-02 13:29:41,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 649 [2024-12-02 13:29:41,997 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:29:41,997 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:29:42,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 13:29:42,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-12-02 13:29:42,198 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:29:42,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:29:42,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1780462400, now seen corresponding path program 2 times [2024-12-02 13:29:42,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:29:42,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118128739] [2024-12-02 13:29:42,199 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 13:29:42,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:29:44,619 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 13:29:44,619 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 13:29:46,335 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 6 proven. 100 refuted. 0 times theorem prover too weak. 5681 trivial. 0 not checked. [2024-12-02 13:29:46,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:29:46,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118128739] [2024-12-02 13:29:46,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118128739] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:29:46,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885066862] [2024-12-02 13:29:46,335 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 13:29:46,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:29:46,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:29:46,337 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:29:46,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_319b7858-e33b-4193-8527-4c4bd49c4823/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process