./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 cf1a7837 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_ceff297f-54d8-4313-9bbd-2b1aeba4fbd7/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff297f-54d8-4313-9bbd-2b1aeba4fbd7/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff297f-54d8-4313-9bbd-2b1aeba4fbd7/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff297f-54d8-4313-9bbd-2b1aeba4fbd7/bin/utaipan-verify-NcY6lQBIFX/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_ceff297f-54d8-4313-9bbd-2b1aeba4fbd7/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff297f-54d8-4313-9bbd-2b1aeba4fbd7/bin/utaipan-verify-NcY6lQBIFX --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-cf1a783 [2023-11-12 00:43:15,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:43:15,410 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff297f-54d8-4313-9bbd-2b1aeba4fbd7/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:43:15,420 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:43:15,423 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:43:15,453 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:43:15,454 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:43:15,455 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:43:15,456 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:43:15,457 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:43:15,457 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:43:15,458 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:43:15,459 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:43:15,460 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:43:15,460 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:43:15,461 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:43:15,462 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:43:15,463 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:43:15,463 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:43:15,464 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:43:15,465 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:43:15,466 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:43:15,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:43:15,468 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:43:15,468 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:43:15,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:43:15,470 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:43:15,470 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:43:15,471 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:43:15,471 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:43:15,472 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:43:15,472 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:43:15,473 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:43:15,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:43:15,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:43:15,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:43:15,474 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:43:15,475 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:43:15,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:43:15,476 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:43:15,476 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:43:15,477 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:43:15,477 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_ceff297f-54d8-4313-9bbd-2b1aeba4fbd7/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff297f-54d8-4313-9bbd-2b1aeba4fbd7/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd4602f1a95f60cf2d782cdd09ffbf4f13da5d7831c02d1076d087dbb1c87f94 [2023-11-12 00:43:15,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:43:15,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:43:15,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:43:15,849 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:43:15,849 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:43:15,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff297f-54d8-4313-9bbd-2b1aeba4fbd7/bin/utaipan-verify-NcY6lQBIFX/../../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 [2023-11-12 00:43:18,996 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:43:19,733 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:43:19,735 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff297f-54d8-4313-9bbd-2b1aeba4fbd7/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 [2023-11-12 00:43:19,792 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff297f-54d8-4313-9bbd-2b1aeba4fbd7/bin/utaipan-verify-NcY6lQBIFX/data/a5542fdea/9a1ab57c00fc4b8a989f09d41ef76017/FLAG1cacf2f64 [2023-11-12 00:43:19,814 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff297f-54d8-4313-9bbd-2b1aeba4fbd7/bin/utaipan-verify-NcY6lQBIFX/data/a5542fdea/9a1ab57c00fc4b8a989f09d41ef76017 [2023-11-12 00:43:19,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:43:19,823 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:43:19,827 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:43:19,828 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:43:19,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:43:19,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:43:19" (1/1) ... [2023-11-12 00:43:19,837 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13918f0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:19, skipping insertion in model container [2023-11-12 00:43:19,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:43:19" (1/1) ... [2023-11-12 00:43:20,009 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:43:22,480 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_ceff297f-54d8-4313-9bbd-2b1aeba4fbd7/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] [2023-11-12 00:43:22,537 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:43:22,611 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:43:23,139 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_ceff297f-54d8-4313-9bbd-2b1aeba4fbd7/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] [2023-11-12 00:43:23,156 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:43:23,313 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:43:23,321 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:43:23,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:23 WrapperNode [2023-11-12 00:43:23,322 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:43:23,323 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:43:23,324 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:43:23,324 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:43:23,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:23" (1/1) ... [2023-11-12 00:43:23,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:23" (1/1) ... [2023-11-12 00:43:23,775 INFO L138 Inliner]: procedures = 251, calls = 2681, calls flagged for inlining = 118, calls inlined = 113, statements flattened = 6964 [2023-11-12 00:43:23,776 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:43:23,776 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:43:23,777 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:43:23,777 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:43:23,787 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:23" (1/1) ... [2023-11-12 00:43:23,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:23" (1/1) ... [2023-11-12 00:43:23,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:23" (1/1) ... [2023-11-12 00:43:23,866 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:23" (1/1) ... [2023-11-12 00:43:24,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:23" (1/1) ... [2023-11-12 00:43:24,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:23" (1/1) ... [2023-11-12 00:43:24,247 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:23" (1/1) ... [2023-11-12 00:43:24,275 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:23" (1/1) ... [2023-11-12 00:43:24,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:43:24,323 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:43:24,324 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:43:24,324 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:43:24,326 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:23" (1/1) ... [2023-11-12 00:43:24,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:43:24,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff297f-54d8-4313-9bbd-2b1aeba4fbd7/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:43:24,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff297f-54d8-4313-9bbd-2b1aeba4fbd7/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:43:24,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff297f-54d8-4313-9bbd-2b1aeba4fbd7/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:43:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_origin [2023-11-12 00:43:24,405 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_origin [2023-11-12 00:43:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure con_copy_unimap [2023-11-12 00:43:24,405 INFO L138 BoogieDeclarations]: Found implementation of procedure con_copy_unimap [2023-11-12 00:43:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_exit [2023-11-12 00:43:24,405 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_exit [2023-11-12 00:43:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2023-11-12 00:43:24,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2023-11-12 00:43:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure con_is_bound [2023-11-12 00:43:24,406 INFO L138 BoogieDeclarations]: Found implementation of procedure con_is_bound [2023-11-12 00:43:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove [2023-11-12 00:43:24,407 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove [2023-11-12 00:43:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_display [2023-11-12 00:43:24,407 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_display [2023-11-12 00:43:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure do_fbcon_takeover [2023-11-12 00:43:24,407 INFO L138 BoogieDeclarations]: Found implementation of procedure do_fbcon_takeover [2023-11-12 00:43:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:43:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:43:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:43:24,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:43:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:43:24,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:43:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:43:24,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:43:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_release_oldinfo [2023-11-12 00:43:24,409 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_release_oldinfo [2023-11-12 00:43:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memcpyw [2023-11-12 00:43:24,410 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memcpyw [2023-11-12 00:43:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-12 00:43:24,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-12 00:43:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_cursor [2023-11-12 00:43:24,410 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_cursor [2023-11-12 00:43:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure get_default_font [2023-11-12 00:43:24,411 INFO L138 BoogieDeclarations]: Found implementation of procedure get_default_font [2023-11-12 00:43:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-12 00:43:24,411 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-12 00:43:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_putcs [2023-11-12 00:43:24,411 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_putcs [2023-11-12 00:43:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure get_color [2023-11-12 00:43:24,412 INFO L138 BoogieDeclarations]: Found implementation of procedure get_color [2023-11-12 00:43:24,412 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memsetw [2023-11-12 00:43:24,473 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memsetw [2023-11-12 00:43:24,474 INFO L130 BoogieDeclarations]: Found specification of procedure do_unregister_con_driver [2023-11-12 00:43:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure do_unregister_con_driver [2023-11-12 00:43:24,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 00:43:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 00:43:24,474 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_get_font [2023-11-12 00:43:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_get_font [2023-11-12 00:43:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure real_y [2023-11-12 00:43:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure real_y [2023-11-12 00:43:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_update_softback [2023-11-12 00:43:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_update_softback [2023-11-12 00:43:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:43:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:43:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:43:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:43:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure update_region [2023-11-12 00:43:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure update_region [2023-11-12 00:43:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure fb_flashcursor [2023-11-12 00:43:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_flashcursor [2023-11-12 00:43:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure find_font [2023-11-12 00:43:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure find_font [2023-11-12 00:43:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:43:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_scrolldelta [2023-11-12 00:43:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_scrolldelta [2023-11-12 00:43:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-12 00:43:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_disp [2023-11-12 00:43:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_disp [2023-11-12 00:43:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:43:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear_margins [2023-11-12 00:43:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear_margins [2023-11-12 00:43:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:43:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:43:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure display_to_var [2023-11-12 00:43:24,479 INFO L138 BoogieDeclarations]: Found implementation of procedure display_to_var [2023-11-12 00:43:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:43:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:43:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:43:24,479 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:43:24,479 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 [2023-11-12 00:43:24,479 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 [2023-11-12 00:43:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 00:43:24,480 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 00:43:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-12 00:43:24,480 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-12 00:43:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 00:43:24,480 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 00:43:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_enter [2023-11-12 00:43:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_enter [2023-11-12 00:43:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_del_cursor_timer [2023-11-12 00:43:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_del_cursor_timer [2023-11-12 00:43:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_move [2023-11-12 00:43:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_move [2023-11-12 00:43:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:43:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-12 00:43:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-12 00:43:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:43:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_is_inactive [2023-11-12 00:43:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_is_inactive [2023-11-12 00:43:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear [2023-11-12 00:43:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear [2023-11-12 00:43:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_add_cursor_timer [2023-11-12 00:43:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_add_cursor_timer [2023-11-12 00:43:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:43:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_var [2023-11-12 00:43:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_var [2023-11-12 00:43:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:43:24,484 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:43:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure set_blitting_type [2023-11-12 00:43:24,484 INFO L138 BoogieDeclarations]: Found implementation of procedure set_blitting_type [2023-11-12 00:43:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove_rec [2023-11-12 00:43:24,484 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove_rec [2023-11-12 00:43:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:43:24,485 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:43:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_palette [2023-11-12 00:43:24,485 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_palette [2023-11-12 00:43:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:43:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure set_con2fb_map [2023-11-12 00:43:24,492 INFO L138 BoogieDeclarations]: Found implementation of procedure set_con2fb_map [2023-11-12 00:43:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_leave [2023-11-12 00:43:24,492 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_leave [2023-11-12 00:43:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure console_conditional_schedule [2023-11-12 00:43:24,493 INFO L138 BoogieDeclarations]: Found implementation of procedure console_conditional_schedule [2023-11-12 00:43:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_copy_font [2023-11-12 00:43:24,493 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_copy_font [2023-11-12 00:43:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_do_set_font [2023-11-12 00:43:24,493 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_do_set_font [2023-11-12 00:43:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 00:43:24,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 00:43:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:43:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_acquire_newinfo [2023-11-12 00:43:24,494 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_acquire_newinfo [2023-11-12 00:43:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-12 00:43:24,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-12 00:43:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_color_depth [2023-11-12 00:43:24,495 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_color_depth [2023-11-12 00:43:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:43:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_prepare_logo [2023-11-12 00:43:24,496 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_prepare_logo [2023-11-12 00:43:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:43:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_blit [2023-11-12 00:43:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_blit [2023-11-12 00:43:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-11-12 00:43:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-11-12 00:43:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2023-11-12 00:43:24,498 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2023-11-12 00:43:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2023-11-12 00:43:24,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2023-11-12 00:43:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:43:24,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:43:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2023-11-12 00:43:24,510 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2023-11-12 00:43:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_modechanged [2023-11-12 00:43:24,510 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_modechanged [2023-11-12 00:43:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2023-11-12 00:43:24,514 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2023-11-12 00:43:24,514 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_invert_region [2023-11-12 00:43:24,514 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_invert_region [2023-11-12 00:43:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_all_vcs [2023-11-12 00:43:24,515 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_all_vcs [2023-11-12 00:43:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw [2023-11-12 00:43:24,515 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw [2023-11-12 00:43:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure updatescrollmode [2023-11-12 00:43:24,516 INFO L138 BoogieDeclarations]: Found implementation of procedure updatescrollmode [2023-11-12 00:43:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_switch [2023-11-12 00:43:24,516 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_switch [2023-11-12 00:43:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure vc_resize [2023-11-12 00:43:24,516 INFO L138 BoogieDeclarations]: Found implementation of procedure vc_resize [2023-11-12 00:43:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-12 00:43:24,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-12 00:43:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure redraw_screen [2023-11-12 00:43:24,517 INFO L138 BoogieDeclarations]: Found implementation of procedure redraw_screen [2023-11-12 00:43:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:43:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure search_fb_in_map [2023-11-12 00:43:24,517 INFO L138 BoogieDeclarations]: Found implementation of procedure search_fb_in_map [2023-11-12 00:43:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure con_set_default_unimap [2023-11-12 00:43:24,518 INFO L138 BoogieDeclarations]: Found implementation of procedure con_set_default_unimap [2023-11-12 00:43:24,518 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-12 00:43:24,518 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-12 00:43:24,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:43:24,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:43:24,518 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 00:43:24,519 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 00:43:25,593 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:43:25,600 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:43:28,704 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:43:57,230 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:44:01,875 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:44:01,875 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:44:01,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:44:01 BoogieIcfgContainer [2023-11-12 00:44:01,882 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:44:01,885 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:44:01,885 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:44:01,889 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:44:01,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:43:19" (1/3) ... [2023-11-12 00:44:01,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49123571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:44:01, skipping insertion in model container [2023-11-12 00:44:01,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:23" (2/3) ... [2023-11-12 00:44:01,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49123571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:44:01, skipping insertion in model container [2023-11-12 00:44:01,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:44:01" (3/3) ... [2023-11-12 00:44:01,892 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2023-11-12 00:44:01,914 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:44:01,914 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:44:02,010 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:44:02,018 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;@764a7fa0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:44:02,018 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:44:02,030 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) [2023-11-12 00:44:02,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2023-11-12 00:44:02,076 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:44:02,077 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] [2023-11-12 00:44:02,078 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:44:02,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:44:02,084 INFO L85 PathProgramCache]: Analyzing trace with hash -32836286, now seen corresponding path program 1 times [2023-11-12 00:44:02,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:44:02,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791766597] [2023-11-12 00:44:02,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:02,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:44:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:03,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4207 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4207 trivial. 0 not checked. [2023-11-12 00:44:03,992 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:44:03,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791766597] [2023-11-12 00:44:03,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791766597] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:44:03,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:44:03,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:44:04,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735657221] [2023-11-12 00:44:04,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:44:04,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:44:04,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:44:04,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:44:04,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:44:04,054 INFO L87 Difference]: Start difference. First 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) Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2023-11-12 00:44:06,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []