./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 30e01a73 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_a0add24b-3f92-40c3-98cc-da68562ef82d/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0add24b-3f92-40c3-98cc-da68562ef82d/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0add24b-3f92-40c3-98cc-da68562ef82d/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0add24b-3f92-40c3-98cc-da68562ef82d/bin/utaipan-verify-mE87zJ7Ire/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_a0add24b-3f92-40c3-98cc-da68562ef82d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0add24b-3f92-40c3-98cc-da68562ef82d/bin/utaipan-verify-mE87zJ7Ire --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 0.2.3-dev-30e01a7 [2023-11-23 21:29:03,921 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:29:03,990 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0add24b-3f92-40c3-98cc-da68562ef82d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:29:03,995 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:29:03,996 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:29:04,022 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:29:04,022 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:29:04,023 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:29:04,024 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:29:04,024 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:29:04,025 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:29:04,026 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:29:04,026 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:29:04,027 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:29:04,027 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:29:04,028 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:29:04,028 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:29:04,029 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:29:04,030 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:29:04,030 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:29:04,031 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:29:04,032 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:29:04,032 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:29:04,033 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:29:04,033 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:29:04,034 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:29:04,034 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:29:04,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:29:04,035 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:29:04,036 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:29:04,036 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:29:04,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:29:04,037 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:29:04,038 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:29:04,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:04,039 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:29:04,039 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:29:04,039 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:29:04,040 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:29:04,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:29:04,041 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:29:04,042 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:29:04,042 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:29:04,043 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:29:04,043 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_a0add24b-3f92-40c3-98cc-da68562ef82d/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0add24b-3f92-40c3-98cc-da68562ef82d/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9097294034e60f68c5e476784c89e8f8da996f2e52e4b71dc31d0ac6cb0fc49 [2023-11-23 21:29:04,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:29:04,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:29:04,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:29:04,369 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:29:04,369 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:29:04,370 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0add24b-3f92-40c3-98cc-da68562ef82d/bin/utaipan-verify-mE87zJ7Ire/../../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 [2023-11-23 21:29:07,726 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:29:08,521 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:29:08,523 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0add24b-3f92-40c3-98cc-da68562ef82d/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 [2023-11-23 21:29:08,600 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0add24b-3f92-40c3-98cc-da68562ef82d/bin/utaipan-verify-mE87zJ7Ire/data/99c091c09/66c5b1e7679a4d64a1315559659a6d25/FLAGfad96de29 [2023-11-23 21:29:08,621 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0add24b-3f92-40c3-98cc-da68562ef82d/bin/utaipan-verify-mE87zJ7Ire/data/99c091c09/66c5b1e7679a4d64a1315559659a6d25 [2023-11-23 21:29:08,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:29:08,633 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:29:08,637 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:08,637 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:29:08,643 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:29:08,644 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:08" (1/1) ... [2023-11-23 21:29:08,645 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d8439f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:08, skipping insertion in model container [2023-11-23 21:29:08,645 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:08" (1/1) ... [2023-11-23 21:29:08,841 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:29:11,690 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_a0add24b-3f92-40c3-98cc-da68562ef82d/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] [2023-11-23 21:29:12,006 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:12,122 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:29:12,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [3447] [2023-11-23 21:29:12,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [3455] [2023-11-23 21:29:12,792 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_a0add24b-3f92-40c3-98cc-da68562ef82d/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] [2023-11-23 21:29:12,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:13,335 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:29:13,344 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:29:13,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:13 WrapperNode [2023-11-23 21:29:13,346 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:13,347 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:13,347 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:29:13,348 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:29:13,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:13" (1/1) ... [2023-11-23 21:29:13,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:13" (1/1) ... [2023-11-23 21:29:14,011 INFO L138 Inliner]: procedures = 337, calls = 4181, calls flagged for inlining = 170, calls inlined = 164, statements flattened = 11889 [2023-11-23 21:29:14,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:14,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:29:14,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:29:14,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:29:14,025 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:13" (1/1) ... [2023-11-23 21:29:14,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:13" (1/1) ... [2023-11-23 21:29:14,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:13" (1/1) ... [2023-11-23 21:29:14,124 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:13" (1/1) ... [2023-11-23 21:29:14,493 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:13" (1/1) ... [2023-11-23 21:29:14,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:13" (1/1) ... [2023-11-23 21:29:14,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:13" (1/1) ... [2023-11-23 21:29:14,641 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:13" (1/1) ... [2023-11-23 21:29:14,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:29:14,710 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:29:14,711 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:29:14,711 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:29:14,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:13" (1/1) ... [2023-11-23 21:29:14,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:14,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0add24b-3f92-40c3-98cc-da68562ef82d/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:29:14,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0add24b-3f92-40c3-98cc-da68562ef82d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:29:14,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0add24b-3f92-40c3-98cc-da68562ef82d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:29:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp_type [2023-11-23 21:29:14,806 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp_type [2023-11-23 21:29:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2023-11-23 21:29:14,808 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2023-11-23 21:29:14,808 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_max [2023-11-23 21:29:14,809 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_max [2023-11-23 21:29:14,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:29:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:29:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_probe [2023-11-23 21:29:14,810 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_probe [2023-11-23 21:29:14,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:29:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:29:14,811 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2023-11-23 21:29:14,811 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2023-11-23 21:29:14,812 INFO L130 BoogieDeclarations]: Found specification of procedure store_beep [2023-11-23 21:29:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure store_beep [2023-11-23 21:29:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_update_device [2023-11-23 21:29:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_update_device [2023-11-23 21:29:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:29:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:29:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm [2023-11-23 21:29:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm [2023-11-23 21:29:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_min [2023-11-23 21:29:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_min [2023-11-23 21:29:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_remove [2023-11-23 21:29:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_remove [2023-11-23 21:29:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2023-11-23 21:29:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2023-11-23 21:29:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_div [2023-11-23 21:29:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_div [2023-11-23 21:29:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure LM75_TEMP_FROM_REG [2023-11-23 21:29:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure LM75_TEMP_FROM_REG [2023-11-23 21:29:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_w83627hf_data [2023-11-23 21:29:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_w83627hf_data [2023-11-23 21:29:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:29:14,823 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:29:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:29:14,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:29:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure superio_select [2023-11-23 21:29:14,824 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_select [2023-11-23 21:29:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-23 21:29:14,824 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-11-23 21:29:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm_freq [2023-11-23 21:29:14,824 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm_freq [2023-11-23 21:29:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:29:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:29:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure TEMP_TO_REG [2023-11-23 21:29:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure TEMP_TO_REG [2023-11-23 21:29:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inb [2023-11-23 21:29:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inb [2023-11-23 21:29:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_resume [2023-11-23 21:29:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_resume [2023-11-23 21:29:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-23 21:29:14,827 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-23 21:29:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_freq [2023-11-23 21:29:14,827 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_freq [2023-11-23 21:29:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_suspend [2023-11-23 21:29:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_suspend [2023-11-23 21:29:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_reset_bank [2023-11-23 21:29:14,829 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_reset_bank [2023-11-23 21:29:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_min [2023-11-23 21:29:14,830 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_min [2023-11-23 21:29:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:29:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2023-11-23 21:29:14,831 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2023-11-23 21:29:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:29:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp_max_hyst [2023-11-23 21:29:14,831 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp_max_hyst [2023-11-23 21:29:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2023-11-23 21:29:14,832 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2023-11-23 21:29:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_w83627hf_data [2023-11-23 21:29:14,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_w83627hf_data [2023-11-23 21:29:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_find [2023-11-23 21:29:14,834 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_find [2023-11-23 21:29:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:29:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:29:14,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:29:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure show_beep [2023-11-23 21:29:14,835 INFO L138 BoogieDeclarations]: Found implementation of procedure show_beep [2023-11-23 21:29:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2023-11-23 21:29:14,835 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2023-11-23 21:29:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:29:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:29:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:29:14,837 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:29:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:29:14,837 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:29:14,837 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_input [2023-11-23 21:29:14,838 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_input [2023-11-23 21:29:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-23 21:29:14,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-23 21:29:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm [2023-11-23 21:29:14,838 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm [2023-11-23 21:29:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_enable [2023-11-23 21:29:14,839 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_enable [2023-11-23 21:29:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_type [2023-11-23 21:29:14,840 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_type [2023-11-23 21:29:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-23 21:29:14,840 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-23 21:29:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm_enable [2023-11-23 21:29:14,841 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm_enable [2023-11-23 21:29:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-23 21:29:14,841 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-23 21:29:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_max [2023-11-23 21:29:14,842 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_max [2023-11-23 21:29:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_0 [2023-11-23 21:29:14,842 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_0 [2023-11-23 21:29:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_w83627hf_data [2023-11-23 21:29:14,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_w83627hf_data [2023-11-23 21:29:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:29:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2023-11-23 21:29:14,843 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2023-11-23 21:29:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_input [2023-11-23 21:29:14,843 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_input [2023-11-23 21:29:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure superio_exit [2023-11-23 21:29:14,844 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_exit [2023-11-23 21:29:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_update_fan_div [2023-11-23 21:29:14,844 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_update_fan_div [2023-11-23 21:29:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_w83627hf_data [2023-11-23 21:29:14,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_w83627hf_data [2023-11-23 21:29:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2023-11-23 21:29:14,845 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2023-11-23 21:29:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure LM75_TEMP_TO_REG [2023-11-23 21:29:14,845 INFO L138 BoogieDeclarations]: Found implementation of procedure LM75_TEMP_TO_REG [2023-11-23 21:29:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:29:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-23 21:29:14,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-23 21:29:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp [2023-11-23 21:29:14,846 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp [2023-11-23 21:29:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:29:14,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:29:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp_max [2023-11-23 21:29:14,847 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp_max [2023-11-23 21:29:14,847 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_write_value [2023-11-23 21:29:14,848 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_write_value [2023-11-23 21:29:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure superio_enter [2023-11-23 21:29:14,848 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_enter [2023-11-23 21:29:14,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:29:14,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:29:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:29:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2023-11-23 21:29:14,849 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2023-11-23 21:29:14,849 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_set_bank [2023-11-23 21:29:14,849 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_set_bank [2023-11-23 21:29:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_min [2023-11-23 21:29:14,850 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_min [2023-11-23 21:29:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 21:29:14,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 21:29:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:29:14,851 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_min [2023-11-23 21:29:14,852 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_min [2023-11-23 21:29:14,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:29:14,853 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_max [2023-11-23 21:29:14,853 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_max [2023-11-23 21:29:14,860 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_max_hyst [2023-11-23 21:29:14,860 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_max_hyst [2023-11-23 21:29:14,861 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2023-11-23 21:29:14,861 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2023-11-23 21:29:14,861 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-23 21:29:14,861 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-23 21:29:14,861 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2023-11-23 21:29:14,862 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2023-11-23 21:29:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_read_value [2023-11-23 21:29:14,862 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_read_value [2023-11-23 21:29:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-23 21:29:14,862 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-23 21:29:14,862 INFO L130 BoogieDeclarations]: Found specification of procedure TEMP_FROM_REG [2023-11-23 21:29:14,863 INFO L138 BoogieDeclarations]: Found implementation of procedure TEMP_FROM_REG [2023-11-23 21:29:14,863 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-23 21:29:14,863 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-23 21:29:14,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:29:14,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:29:14,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:29:14,864 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:29:14,864 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:29:16,363 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:29:16,369 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:29:17,143 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:29:30,925 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:29:34,944 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:29:34,944 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:29:34,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:34 BoogieIcfgContainer [2023-11-23 21:29:34,949 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:29:34,952 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:29:34,952 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:29:34,957 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:29:34,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:29:08" (1/3) ... [2023-11-23 21:29:34,959 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@da4b9d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:34, skipping insertion in model container [2023-11-23 21:29:34,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:13" (2/3) ... [2023-11-23 21:29:34,960 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@da4b9d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:34, skipping insertion in model container [2023-11-23 21:29:34,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:34" (3/3) ... [2023-11-23 21:29:34,962 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83627hf.ko-entry_point.cil.out.i [2023-11-23 21:29:34,991 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:29:34,991 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:29:35,268 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:29:35,278 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;@109e2eaf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:29:35,279 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:29:35,301 INFO L276 IsEmpty]: Start isEmpty. Operand has 2977 states, 1873 states have (on average 1.4132407901761879) internal successors, (2647), 1985 states have internal predecessors, (2647), 1022 states have call successors, (1022), 81 states have call predecessors, (1022), 80 states have return successors, (925), 923 states have call predecessors, (925), 925 states have call successors, (925) [2023-11-23 21:29:35,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2947 [2023-11-23 21:29:35,583 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:35,586 INFO L195 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] [2023-11-23 21:29:35,587 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:35,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:35,596 INFO L85 PathProgramCache]: Analyzing trace with hash -945723005, now seen corresponding path program 1 times [2023-11-23 21:29:35,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:29:35,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779588619] [2023-11-23 21:29:35,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:35,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:29:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat