./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-32_7a-drivers--hwmon--w83627hf.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_a23b628e-ac94-45a0-a27b-1fba76a4f16e/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23b628e-ac94-45a0-a27b-1fba76a4f16e/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23b628e-ac94-45a0-a27b-1fba76a4f16e/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23b628e-ac94-45a0-a27b-1fba76a4f16e/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83627hf.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23b628e-ac94-45a0-a27b-1fba76a4f16e/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23b628e-ac94-45a0-a27b-1fba76a4f16e/bin/utaipan-verify-YMUCfTKeje --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 d9097294034e60f68c5e476784c89e8f8da996f2e52e4b71dc31d0ac6cb0fc49 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:21:20,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:21:20,679 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23b628e-ac94-45a0-a27b-1fba76a4f16e/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 01:21:20,684 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:21:20,684 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:21:20,711 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:21:20,712 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:21:20,712 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:21:20,713 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:21:20,713 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:21:20,714 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:21:20,714 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:21:20,715 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:21:20,715 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:21:20,716 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:21:20,716 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:21:20,717 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:21:20,717 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:21:20,717 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:21:20,718 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:21:20,718 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:21:20,722 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:21:20,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:21:20,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:21:20,724 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:21:20,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:21:20,724 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:21:20,724 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:21:20,725 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:21:20,725 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:21:20,726 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:21:20,726 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:21:20,726 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:21:20,727 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:21:20,727 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:21:20,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:21:20,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:21:20,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:21:20,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:21:20,729 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:21:20,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:21:20,729 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:21:20,730 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:21:20,730 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:21:20,730 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_a23b628e-ac94-45a0-a27b-1fba76a4f16e/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23b628e-ac94-45a0-a27b-1fba76a4f16e/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9097294034e60f68c5e476784c89e8f8da996f2e52e4b71dc31d0ac6cb0fc49 [2024-11-09 01:21:21,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:21:21,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:21:21,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:21:21,102 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:21:21,102 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:21:21,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23b628e-ac94-45a0-a27b-1fba76a4f16e/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83627hf.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-09 01:21:23,259 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:21:23,929 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:21:23,930 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23b628e-ac94-45a0-a27b-1fba76a4f16e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83627hf.ko-entry_point.cil.out.i [2024-11-09 01:21:23,994 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23b628e-ac94-45a0-a27b-1fba76a4f16e/bin/utaipan-verify-YMUCfTKeje/data/2ddfc2191/97c076a50d9344fc8ca0868be894c0fb/FLAG1642c90e2 [2024-11-09 01:21:24,011 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23b628e-ac94-45a0-a27b-1fba76a4f16e/bin/utaipan-verify-YMUCfTKeje/data/2ddfc2191/97c076a50d9344fc8ca0868be894c0fb [2024-11-09 01:21:24,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:21:24,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:21:24,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:21:24,017 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:21:24,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:21:24,024 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:21:24" (1/1) ... [2024-11-09 01:21:24,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f486ffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:24, skipping insertion in model container [2024-11-09 01:21:24,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:21:24" (1/1) ... [2024-11-09 01:21:24,196 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:21:26,832 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_a23b628e-ac94-45a0-a27b-1fba76a4f16e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83627hf.ko-entry_point.cil.out.i[345917,345930] [2024-11-09 01:21:27,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:21:27,196 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:21:27,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [3447] [2024-11-09 01:21:27,300 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [3455] [2024-11-09 01:21:27,662 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_a23b628e-ac94-45a0-a27b-1fba76a4f16e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83627hf.ko-entry_point.cil.out.i[345917,345930] [2024-11-09 01:21:27,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:21:28,163 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:21:28,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:28 WrapperNode [2024-11-09 01:21:28,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:21:28,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:21:28,167 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:21:28,167 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:21:28,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:28" (1/1) ... [2024-11-09 01:21:28,329 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:28" (1/1) ... [2024-11-09 01:21:28,817 INFO L138 Inliner]: procedures = 339, calls = 4053, calls flagged for inlining = 170, calls inlined = 164, statements flattened = 12194 [2024-11-09 01:21:28,818 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:21:28,819 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:21:28,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:21:28,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:21:28,831 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:28" (1/1) ... [2024-11-09 01:21:28,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:28" (1/1) ... [2024-11-09 01:21:28,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:28" (1/1) ... [2024-11-09 01:21:28,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:28" (1/1) ... [2024-11-09 01:21:29,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:28" (1/1) ... [2024-11-09 01:21:29,199 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:28" (1/1) ... [2024-11-09 01:21:29,240 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:28" (1/1) ... [2024-11-09 01:21:29,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:28" (1/1) ... [2024-11-09 01:21:29,324 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:21:29,325 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:21:29,325 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:21:29,326 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:21:29,326 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:28" (1/1) ... [2024-11-09 01:21:29,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:21:29,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23b628e-ac94-45a0-a27b-1fba76a4f16e/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:21:29,359 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23b628e-ac94-45a0-a27b-1fba76a4f16e/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:21:29,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23b628e-ac94-45a0-a27b-1fba76a4f16e/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:21:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp_type [2024-11-09 01:21:29,400 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp_type [2024-11-09 01:21:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2024-11-09 01:21:29,401 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2024-11-09 01:21:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_max [2024-11-09 01:21:29,401 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_max [2024-11-09 01:21:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 01:21:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-09 01:21:29,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-09 01:21:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_probe [2024-11-09 01:21:29,404 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_probe [2024-11-09 01:21:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-09 01:21:29,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-09 01:21:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2024-11-09 01:21:29,404 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2024-11-09 01:21:29,405 INFO L130 BoogieDeclarations]: Found specification of procedure store_beep [2024-11-09 01:21:29,405 INFO L138 BoogieDeclarations]: Found implementation of procedure store_beep [2024-11-09 01:21:29,405 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_update_device [2024-11-09 01:21:29,405 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_update_device [2024-11-09 01:21:29,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 01:21:29,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 01:21:29,406 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm [2024-11-09 01:21:29,406 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm [2024-11-09 01:21:29,406 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_min [2024-11-09 01:21:29,406 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_min [2024-11-09 01:21:29,406 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_remove [2024-11-09 01:21:29,406 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_remove [2024-11-09 01:21:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2024-11-09 01:21:29,408 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2024-11-09 01:21:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_div [2024-11-09 01:21:29,409 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_div [2024-11-09 01:21:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure LM75_TEMP_FROM_REG [2024-11-09 01:21:29,409 INFO L138 BoogieDeclarations]: Found implementation of procedure LM75_TEMP_FROM_REG [2024-11-09 01:21:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_w83627hf_data [2024-11-09 01:21:29,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_w83627hf_data [2024-11-09 01:21:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-09 01:21:29,409 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-09 01:21:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-09 01:21:29,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-09 01:21:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure superio_select [2024-11-09 01:21:29,410 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_select [2024-11-09 01:21:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2024-11-09 01:21:29,410 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2024-11-09 01:21:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm_freq [2024-11-09 01:21:29,410 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm_freq [2024-11-09 01:21:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:21:29,410 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:21:29,411 INFO L130 BoogieDeclarations]: Found specification of procedure TEMP_TO_REG [2024-11-09 01:21:29,411 INFO L138 BoogieDeclarations]: Found implementation of procedure TEMP_TO_REG [2024-11-09 01:21:29,411 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inb [2024-11-09 01:21:29,411 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inb [2024-11-09 01:21:29,411 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_resume [2024-11-09 01:21:29,411 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_resume [2024-11-09 01:21:29,411 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-09 01:21:29,411 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-09 01:21:29,411 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_freq [2024-11-09 01:21:29,411 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_freq [2024-11-09 01:21:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_suspend [2024-11-09 01:21:29,414 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_suspend [2024-11-09 01:21:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_reset_bank [2024-11-09 01:21:29,415 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_reset_bank [2024-11-09 01:21:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_min [2024-11-09 01:21:29,415 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_min [2024-11-09 01:21:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 01:21:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2024-11-09 01:21:29,416 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2024-11-09 01:21:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp_max_hyst [2024-11-09 01:21:29,416 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp_max_hyst [2024-11-09 01:21:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2024-11-09 01:21:29,416 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2024-11-09 01:21:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_w83627hf_data [2024-11-09 01:21:29,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_w83627hf_data [2024-11-09 01:21:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_find [2024-11-09 01:21:29,417 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_find [2024-11-09 01:21:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 01:21:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-09 01:21:29,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-09 01:21:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure show_beep [2024-11-09 01:21:29,418 INFO L138 BoogieDeclarations]: Found implementation of procedure show_beep [2024-11-09 01:21:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2024-11-09 01:21:29,418 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2024-11-09 01:21:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 01:21:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 01:21:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 01:21:29,418 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 01:21:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-09 01:21:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-09 01:21:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_input [2024-11-09 01:21:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_input [2024-11-09 01:21:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-09 01:21:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-09 01:21:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm [2024-11-09 01:21:29,421 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm [2024-11-09 01:21:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_enable [2024-11-09 01:21:29,422 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_enable [2024-11-09 01:21:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_type [2024-11-09 01:21:29,422 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_type [2024-11-09 01:21:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-09 01:21:29,422 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-09 01:21:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm_enable [2024-11-09 01:21:29,422 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm_enable [2024-11-09 01:21:29,423 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-09 01:21:29,423 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-09 01:21:29,423 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_max [2024-11-09 01:21:29,423 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_max [2024-11-09 01:21:29,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 01:21:29,423 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_0 [2024-11-09 01:21:29,423 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_0 [2024-11-09 01:21:29,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_w83627hf_data [2024-11-09 01:21:29,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_w83627hf_data [2024-11-09 01:21:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 01:21:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2024-11-09 01:21:29,424 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2024-11-09 01:21:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_input [2024-11-09 01:21:29,424 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_input [2024-11-09 01:21:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure superio_exit [2024-11-09 01:21:29,425 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_exit [2024-11-09 01:21:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_update_fan_div [2024-11-09 01:21:29,425 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_update_fan_div [2024-11-09 01:21:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_w83627hf_data [2024-11-09 01:21:29,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_w83627hf_data [2024-11-09 01:21:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2024-11-09 01:21:29,426 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2024-11-09 01:21:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure LM75_TEMP_TO_REG [2024-11-09 01:21:29,426 INFO L138 BoogieDeclarations]: Found implementation of procedure LM75_TEMP_TO_REG [2024-11-09 01:21:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 01:21:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-09 01:21:29,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-09 01:21:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp [2024-11-09 01:21:29,427 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp [2024-11-09 01:21:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-09 01:21:29,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-09 01:21:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp_max [2024-11-09 01:21:29,428 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp_max [2024-11-09 01:21:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_write_value [2024-11-09 01:21:29,428 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_write_value [2024-11-09 01:21:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure superio_enter [2024-11-09 01:21:29,428 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_enter [2024-11-09 01:21:29,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-09 01:21:29,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-09 01:21:29,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 01:21:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2024-11-09 01:21:29,430 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2024-11-09 01:21:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_set_bank [2024-11-09 01:21:29,430 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_set_bank [2024-11-09 01:21:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_min [2024-11-09 01:21:29,430 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_min [2024-11-09 01:21:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-09 01:21:29,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-09 01:21:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:21:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_min [2024-11-09 01:21:29,431 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_min [2024-11-09 01:21:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 01:21:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_max [2024-11-09 01:21:29,431 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_max [2024-11-09 01:21:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_max_hyst [2024-11-09 01:21:29,431 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_max_hyst [2024-11-09 01:21:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2024-11-09 01:21:29,431 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2024-11-09 01:21:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-11-09 01:21:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-11-09 01:21:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2024-11-09 01:21:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2024-11-09 01:21:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_read_value [2024-11-09 01:21:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_read_value [2024-11-09 01:21:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-09 01:21:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-09 01:21:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure TEMP_FROM_REG [2024-11-09 01:21:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure TEMP_FROM_REG [2024-11-09 01:21:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-09 01:21:29,434 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-09 01:21:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:21:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:21:29,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:21:29,436 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-09 01:21:29,436 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-09 01:21:30,905 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:21:30,909 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:21:31,512 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-09 01:23:02,438 INFO L? ?]: Removed 3096 outVars from TransFormulas that were not future-live. [2024-11-09 01:23:02,439 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:23:08,539 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:23:08,540 INFO L316 CfgBuilder]: Removed 22 assume(true) statements. [2024-11-09 01:23:08,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:23:08 BoogieIcfgContainer [2024-11-09 01:23:08,541 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:23:08,543 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:23:08,544 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:23:08,548 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:23:08,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:21:24" (1/3) ... [2024-11-09 01:23:08,549 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd15cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:23:08, skipping insertion in model container [2024-11-09 01:23:08,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:21:28" (2/3) ... [2024-11-09 01:23:08,550 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd15cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:23:08, skipping insertion in model container [2024-11-09 01:23:08,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:23:08" (3/3) ... [2024-11-09 01:23:08,552 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83627hf.ko-entry_point.cil.out.i [2024-11-09 01:23:08,578 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:23:08,578 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:23:08,774 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:23:08,783 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=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;@63f460b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:23:08,783 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:23:08,801 INFO L276 IsEmpty]: Start isEmpty. Operand has 3005 states, 1901 states have (on average 1.4192530247238295) internal successors, (2698), 2010 states have internal predecessors, (2698), 1022 states have call successors, (1022), 81 states have call predecessors, (1022), 80 states have return successors, (925), 925 states have call predecessors, (925), 925 states have call successors, (925) [2024-11-09 01:23:09,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2950 [2024-11-09 01:23:09,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:23:09,105 INFO L215 NwaCegarLoop]: trace histogram [219, 219, 219, 219, 219, 219, 219, 219, 219, 60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:23:09,106 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:23:09,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:23:09,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1196557467, now seen corresponding path program 1 times [2024-11-09 01:23:09,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:23:09,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605970098] [2024-11-09 01:23:09,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:23:09,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:28:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:28:27,276 INFO L134 CoverageAnalysis]: Checked inductivity of 244020 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 244020 trivial. 0 not checked. [2024-11-09 01:28:27,277 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:28:27,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605970098] [2024-11-09 01:28:27,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605970098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:28:27,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:28:27,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:28:27,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269470921] [2024-11-09 01:28:27,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:28:27,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:28:27,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:28:27,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:28:27,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:28:27,331 INFO L87 Difference]: Start difference. First operand has 3005 states, 1901 states have (on average 1.4192530247238295) internal successors, (2698), 2010 states have internal predecessors, (2698), 1022 states have call successors, (1022), 81 states have call predecessors, (1022), 80 states have return successors, (925), 925 states have call predecessors, (925), 925 states have call successors, (925) Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 2 states have call successors, (286), 2 states have call predecessors, (286), 1 states have return successors, (282), 2 states have call predecessors, (282), 2 states have call successors, (282) [2024-11-09 01:28:29,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:28:32,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:28:42,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:28:44,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:28:49,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:28:49,801 INFO L93 Difference]: Finished difference Result 7874 states and 12813 transitions. [2024-11-09 01:28:49,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:28:49,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 2 states have call successors, (286), 2 states have call predecessors, (286), 1 states have return successors, (282), 2 states have call predecessors, (282), 2 states have call successors, (282) Word has length 2949 [2024-11-09 01:28:49,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:28:49,867 INFO L225 Difference]: With dead ends: 7874 [2024-11-09 01:28:49,867 INFO L226 Difference]: Without dead ends: 5232 [2024-11-09 01:28:49,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:28:49,903 INFO L432 NwaCegarLoop]: 4387 mSDtfsCounter, 4604 mSDsluCounter, 3545 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4604 SdHoareTripleChecker+Valid, 7932 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.9s IncrementalHoareTripleChecker+Time [2024-11-09 01:28:49,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4604 Valid, 7932 Invalid, 499 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 493 Invalid, 4 Unknown, 0 Unchecked, 21.9s Time] [2024-11-09 01:28:49,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5232 states. [2024-11-09 01:28:50,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5232 to 5213. [2024-11-09 01:28:50,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5213 states, 3498 states have (on average 1.396798170383076) internal successors, (4886), 3512 states have internal predecessors, (4886), 1557 states have call successors, (1557), 158 states have call predecessors, (1557), 157 states have return successors, (1548), 1546 states have call predecessors, (1548), 1548 states have call successors, (1548) [2024-11-09 01:28:50,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5213 states to 5213 states and 7991 transitions. [2024-11-09 01:28:50,620 INFO L78 Accepts]: Start accepts. Automaton has 5213 states and 7991 transitions. Word has length 2949 [2024-11-09 01:28:50,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:28:50,631 INFO L471 AbstractCegarLoop]: Abstraction has 5213 states and 7991 transitions. [2024-11-09 01:28:50,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 2 states have call successors, (286), 2 states have call predecessors, (286), 1 states have return successors, (282), 2 states have call predecessors, (282), 2 states have call successors, (282) [2024-11-09 01:28:50,633 INFO L276 IsEmpty]: Start isEmpty. Operand 5213 states and 7991 transitions. [2024-11-09 01:28:50,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2947 [2024-11-09 01:28:50,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:28:50,921 INFO L215 NwaCegarLoop]: trace histogram [219, 219, 219, 219, 219, 219, 219, 219, 219, 60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:28:50,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:28:50,922 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:28:50,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:28:50,923 INFO L85 PathProgramCache]: Analyzing trace with hash 367861521, now seen corresponding path program 1 times [2024-11-09 01:28:50,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:28:50,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389601265] [2024-11-09 01:28:50,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:28:50,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:34:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat