./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e01072-7c9c-4192-853b-9b424a43d961/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e01072-7c9c-4192-853b-9b424a43d961/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e01072-7c9c-4192-853b-9b424a43d961/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e01072-7c9c-4192-853b-9b424a43d961/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.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_15e01072-7c9c-4192-853b-9b424a43d961/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e01072-7c9c-4192-853b-9b424a43d961/bin/utaipan-verify-t7M7D8N6sZ --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cd4602f1a95f60cf2d782cdd09ffbf4f13da5d7831c02d1076d087dbb1c87f94 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:10:36,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:10:36,607 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e01072-7c9c-4192-853b-9b424a43d961/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:10:36,619 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:10:36,620 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:10:36,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:10:36,671 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:10:36,672 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:10:36,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:10:36,679 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:10:36,679 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:10:36,680 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:10:36,680 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:10:36,682 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:10:36,683 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:10:36,683 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:10:36,684 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:10:36,684 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:10:36,685 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:10:36,685 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:10:36,688 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:10:36,689 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:10:36,690 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:10:36,690 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:10:36,690 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:10:36,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:10:36,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:10:36,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:10:36,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:10:36,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:10:36,694 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:10:36,694 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:10:36,695 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:10:36,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:10:36,695 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:10:36,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:10:36,696 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:10:36,696 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:10:36,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:10:36,696 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:10:36,697 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:10:36,697 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:10:36,697 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e01072-7c9c-4192-853b-9b424a43d961/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e01072-7c9c-4192-853b-9b424a43d961/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd4602f1a95f60cf2d782cdd09ffbf4f13da5d7831c02d1076d087dbb1c87f94 [2023-11-19 05:10:36,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:10:37,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:10:37,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:10:37,028 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:10:37,028 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:10:37,030 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e01072-7c9c-4192-853b-9b424a43d961/bin/utaipan-verify-t7M7D8N6sZ/../../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 [2023-11-19 05:10:40,661 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:10:41,494 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:10:41,496 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e01072-7c9c-4192-853b-9b424a43d961/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 [2023-11-19 05:10:41,554 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e01072-7c9c-4192-853b-9b424a43d961/bin/utaipan-verify-t7M7D8N6sZ/data/173d4b768/9f430c48b0bd461fb6b43f8353eb7b00/FLAGf89957a6e [2023-11-19 05:10:41,575 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e01072-7c9c-4192-853b-9b424a43d961/bin/utaipan-verify-t7M7D8N6sZ/data/173d4b768/9f430c48b0bd461fb6b43f8353eb7b00 [2023-11-19 05:10:41,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:10:41,586 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:10:41,591 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:10:41,591 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:10:41,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:10:41,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:10:41" (1/1) ... [2023-11-19 05:10:41,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f6f2713 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:41, skipping insertion in model container [2023-11-19 05:10:41,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:10:41" (1/1) ... [2023-11-19 05:10:41,809 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:10:44,411 WARN L240 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_15e01072-7c9c-4192-853b-9b424a43d961/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] [2023-11-19 05:10:44,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:10:44,563 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:10:45,171 WARN L240 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_15e01072-7c9c-4192-853b-9b424a43d961/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] [2023-11-19 05:10:45,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:10:45,405 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:10:45,415 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:10:45,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:45 WrapperNode [2023-11-19 05:10:45,416 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:10:45,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:10:45,418 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:10:45,418 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:10:45,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:45" (1/1) ... [2023-11-19 05:10:45,579 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:45" (1/1) ... [2023-11-19 05:10:45,859 INFO L138 Inliner]: procedures = 251, calls = 2681, calls flagged for inlining = 118, calls inlined = 113, statements flattened = 6964 [2023-11-19 05:10:45,859 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:10:45,860 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:10:45,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:10:45,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:10:45,872 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:45" (1/1) ... [2023-11-19 05:10:45,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:45" (1/1) ... [2023-11-19 05:10:46,092 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:45" (1/1) ... [2023-11-19 05:10:46,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:45" (1/1) ... [2023-11-19 05:10:46,344 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:45" (1/1) ... [2023-11-19 05:10:46,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:45" (1/1) ... [2023-11-19 05:10:46,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:45" (1/1) ... [2023-11-19 05:10:46,606 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:45" (1/1) ... [2023-11-19 05:10:46,663 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:10:46,664 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:10:46,665 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:10:46,666 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:10:46,667 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:45" (1/1) ... [2023-11-19 05:10:46,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:10:46,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e01072-7c9c-4192-853b-9b424a43d961/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:10:46,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e01072-7c9c-4192-853b-9b424a43d961/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:10:46,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e01072-7c9c-4192-853b-9b424a43d961/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:10:46,756 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_origin [2023-11-19 05:10:46,756 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_origin [2023-11-19 05:10:46,756 INFO L130 BoogieDeclarations]: Found specification of procedure con_copy_unimap [2023-11-19 05:10:46,757 INFO L138 BoogieDeclarations]: Found implementation of procedure con_copy_unimap [2023-11-19 05:10:46,757 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_exit [2023-11-19 05:10:46,757 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_exit [2023-11-19 05:10:46,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2023-11-19 05:10:46,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2023-11-19 05:10:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure con_is_bound [2023-11-19 05:10:46,760 INFO L138 BoogieDeclarations]: Found implementation of procedure con_is_bound [2023-11-19 05:10:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove [2023-11-19 05:10:46,760 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove [2023-11-19 05:10:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_display [2023-11-19 05:10:46,761 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_display [2023-11-19 05:10:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure do_fbcon_takeover [2023-11-19 05:10:46,761 INFO L138 BoogieDeclarations]: Found implementation of procedure do_fbcon_takeover [2023-11-19 05:10:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:10:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:10:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:10:46,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:10:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:10:46,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:10:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:10:46,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:10:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_release_oldinfo [2023-11-19 05:10:46,764 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_release_oldinfo [2023-11-19 05:10:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memcpyw [2023-11-19 05:10:46,765 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memcpyw [2023-11-19 05:10:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-19 05:10:46,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-19 05:10:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_cursor [2023-11-19 05:10:46,767 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_cursor [2023-11-19 05:10:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure get_default_font [2023-11-19 05:10:46,767 INFO L138 BoogieDeclarations]: Found implementation of procedure get_default_font [2023-11-19 05:10:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-19 05:10:46,768 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-19 05:10:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_putcs [2023-11-19 05:10:46,768 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_putcs [2023-11-19 05:10:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure get_color [2023-11-19 05:10:46,769 INFO L138 BoogieDeclarations]: Found implementation of procedure get_color [2023-11-19 05:10:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memsetw [2023-11-19 05:10:46,769 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memsetw [2023-11-19 05:10:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure do_unregister_con_driver [2023-11-19 05:10:46,769 INFO L138 BoogieDeclarations]: Found implementation of procedure do_unregister_con_driver [2023-11-19 05:10:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 05:10:46,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 05:10:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_get_font [2023-11-19 05:10:46,770 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_get_font [2023-11-19 05:10:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure real_y [2023-11-19 05:10:46,771 INFO L138 BoogieDeclarations]: Found implementation of procedure real_y [2023-11-19 05:10:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_update_softback [2023-11-19 05:10:46,771 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_update_softback [2023-11-19 05:10:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:10:46,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:10:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:10:46,772 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:10:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure update_region [2023-11-19 05:10:46,772 INFO L138 BoogieDeclarations]: Found implementation of procedure update_region [2023-11-19 05:10:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure fb_flashcursor [2023-11-19 05:10:46,773 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_flashcursor [2023-11-19 05:10:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure find_font [2023-11-19 05:10:46,773 INFO L138 BoogieDeclarations]: Found implementation of procedure find_font [2023-11-19 05:10:46,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:10:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_scrolldelta [2023-11-19 05:10:46,776 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_scrolldelta [2023-11-19 05:10:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 05:10:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_disp [2023-11-19 05:10:46,776 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_disp [2023-11-19 05:10:46,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:10:46,777 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear_margins [2023-11-19 05:10:46,777 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear_margins [2023-11-19 05:10:46,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 05:10:46,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 05:10:46,778 INFO L130 BoogieDeclarations]: Found specification of procedure display_to_var [2023-11-19 05:10:46,779 INFO L138 BoogieDeclarations]: Found implementation of procedure display_to_var [2023-11-19 05:10:46,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:10:46,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:10:46,780 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:10:46,780 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:10:46,780 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 [2023-11-19 05:10:46,780 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 [2023-11-19 05:10:46,780 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 05:10:46,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 05:10:46,781 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-19 05:10:46,781 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-19 05:10:46,781 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 05:10:46,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 05:10:46,783 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_enter [2023-11-19 05:10:46,783 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_enter [2023-11-19 05:10:46,783 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_del_cursor_timer [2023-11-19 05:10:46,783 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_del_cursor_timer [2023-11-19 05:10:46,784 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_move [2023-11-19 05:10:46,784 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_move [2023-11-19 05:10:46,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:10:46,784 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-19 05:10:46,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-19 05:10:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:10:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_is_inactive [2023-11-19 05:10:46,785 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_is_inactive [2023-11-19 05:10:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear [2023-11-19 05:10:46,785 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear [2023-11-19 05:10:46,785 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_add_cursor_timer [2023-11-19 05:10:46,786 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_add_cursor_timer [2023-11-19 05:10:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:10:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_var [2023-11-19 05:10:46,786 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_var [2023-11-19 05:10:46,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 05:10:46,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 05:10:46,787 INFO L130 BoogieDeclarations]: Found specification of procedure set_blitting_type [2023-11-19 05:10:46,787 INFO L138 BoogieDeclarations]: Found implementation of procedure set_blitting_type [2023-11-19 05:10:46,788 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove_rec [2023-11-19 05:10:46,788 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove_rec [2023-11-19 05:10:46,788 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:10:46,788 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:10:46,788 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_palette [2023-11-19 05:10:46,789 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_palette [2023-11-19 05:10:46,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:10:46,789 INFO L130 BoogieDeclarations]: Found specification of procedure set_con2fb_map [2023-11-19 05:10:46,789 INFO L138 BoogieDeclarations]: Found implementation of procedure set_con2fb_map [2023-11-19 05:10:46,789 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_leave [2023-11-19 05:10:46,790 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_leave [2023-11-19 05:10:46,790 INFO L130 BoogieDeclarations]: Found specification of procedure console_conditional_schedule [2023-11-19 05:10:46,790 INFO L138 BoogieDeclarations]: Found implementation of procedure console_conditional_schedule [2023-11-19 05:10:46,790 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_copy_font [2023-11-19 05:10:46,790 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_copy_font [2023-11-19 05:10:46,791 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_do_set_font [2023-11-19 05:10:46,791 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_do_set_font [2023-11-19 05:10:46,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 05:10:46,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 05:10:46,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:10:46,792 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_acquire_newinfo [2023-11-19 05:10:46,792 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_acquire_newinfo [2023-11-19 05:10:46,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 05:10:46,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 05:10:46,792 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_color_depth [2023-11-19 05:10:46,793 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_color_depth [2023-11-19 05:10:46,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:10:46,794 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_prepare_logo [2023-11-19 05:10:46,794 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_prepare_logo [2023-11-19 05:10:46,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:10:46,794 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_blit [2023-11-19 05:10:46,795 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_blit [2023-11-19 05:10:46,795 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-11-19 05:10:46,795 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-11-19 05:10:46,795 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2023-11-19 05:10:46,795 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2023-11-19 05:10:46,796 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2023-11-19 05:10:46,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2023-11-19 05:10:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 05:10:46,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 05:10:46,798 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2023-11-19 05:10:46,798 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2023-11-19 05:10:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_modechanged [2023-11-19 05:10:46,799 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_modechanged [2023-11-19 05:10:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2023-11-19 05:10:46,799 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2023-11-19 05:10:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_invert_region [2023-11-19 05:10:46,799 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_invert_region [2023-11-19 05:10:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_all_vcs [2023-11-19 05:10:46,799 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_all_vcs [2023-11-19 05:10:46,800 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw [2023-11-19 05:10:46,800 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw [2023-11-19 05:10:46,800 INFO L130 BoogieDeclarations]: Found specification of procedure updatescrollmode [2023-11-19 05:10:46,800 INFO L138 BoogieDeclarations]: Found implementation of procedure updatescrollmode [2023-11-19 05:10:46,800 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_switch [2023-11-19 05:10:46,800 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_switch [2023-11-19 05:10:46,800 INFO L130 BoogieDeclarations]: Found specification of procedure vc_resize [2023-11-19 05:10:46,800 INFO L138 BoogieDeclarations]: Found implementation of procedure vc_resize [2023-11-19 05:10:46,800 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 05:10:46,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 05:10:46,801 INFO L130 BoogieDeclarations]: Found specification of procedure redraw_screen [2023-11-19 05:10:46,801 INFO L138 BoogieDeclarations]: Found implementation of procedure redraw_screen [2023-11-19 05:10:46,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:10:46,801 INFO L130 BoogieDeclarations]: Found specification of procedure search_fb_in_map [2023-11-19 05:10:46,801 INFO L138 BoogieDeclarations]: Found implementation of procedure search_fb_in_map [2023-11-19 05:10:46,801 INFO L130 BoogieDeclarations]: Found specification of procedure con_set_default_unimap [2023-11-19 05:10:46,801 INFO L138 BoogieDeclarations]: Found implementation of procedure con_set_default_unimap [2023-11-19 05:10:46,801 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-19 05:10:46,802 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-19 05:10:46,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:10:46,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:10:46,802 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 05:10:46,802 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 05:10:47,866 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:10:47,871 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:10:51,093 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:11:21,778 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:11:26,535 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:11:26,536 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 05:11:26,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:11:26 BoogieIcfgContainer [2023-11-19 05:11:26,555 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:11:26,557 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:11:26,558 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:11:26,561 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:11:26,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:10:41" (1/3) ... [2023-11-19 05:11:26,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32ae2fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:11:26, skipping insertion in model container [2023-11-19 05:11:26,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:45" (2/3) ... [2023-11-19 05:11:26,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32ae2fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:11:26, skipping insertion in model container [2023-11-19 05:11:26,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:11:26" (3/3) ... [2023-11-19 05:11:26,565 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2023-11-19 05:11:26,589 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:11:26,590 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:11:26,696 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:11:26,703 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@6e5b0f04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:11:26,704 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:11:26,717 INFO L276 IsEmpty]: Start isEmpty. Operand has 1484 states, 996 states have (on average 1.4196787148594376) internal successors, (1414), 1047 states have internal predecessors, (1414), 404 states have call successors, (404), 83 states have call predecessors, (404), 82 states have return successors, (399), 387 states have call predecessors, (399), 399 states have call successors, (399) [2023-11-19 05:11:26,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2023-11-19 05:11:26,774 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:11:26,775 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 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] [2023-11-19 05:11:26,776 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:11:26,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:11:26,782 INFO L85 PathProgramCache]: Analyzing trace with hash -32836286, now seen corresponding path program 1 times [2023-11-19 05:11:26,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:11:26,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57840761] [2023-11-19 05:11:26,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:11:26,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:11:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:11:28,950 INFO L134 CoverageAnalysis]: Checked inductivity of 4207 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4207 trivial. 0 not checked. [2023-11-19 05:11:28,950 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:11:28,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57840761] [2023-11-19 05:11:28,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57840761] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:11:28,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:11:28,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:11:28,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553829585] [2023-11-19 05:11:28,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:11:28,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:11:28,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN