./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--it87.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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad1afc3-755b-465c-a4c5-5f112c5639dd/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad1afc3-755b-465c-a4c5-5f112c5639dd/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_0ad1afc3-755b-465c-a4c5-5f112c5639dd/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad1afc3-755b-465c-a4c5-5f112c5639dd/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--it87.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad1afc3-755b-465c-a4c5-5f112c5639dd/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_0ad1afc3-755b-465c-a4c5-5f112c5639dd/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 5a989f4e4a3aacdd59050e92fbc137ca8587ab53a966b56d72019bc54a6301ad --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:11,077 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:11,196 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad1afc3-755b-465c-a4c5-5f112c5639dd/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:14:11,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:11,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:11,255 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:11,256 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:11,256 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:11,257 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:11,262 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:11,262 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:11,264 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:11,264 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:11,266 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:14:11,266 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:11,266 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:11,267 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:14:11,267 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:14:11,267 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:11,268 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:14:11,268 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:14:11,269 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:14:11,270 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:11,270 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:14:11,271 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:14:11,271 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:11,271 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:14:11,272 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:11,272 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:14:11,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:14:11,274 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:11,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:11,274 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:14:11,274 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:11,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:11,275 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:11,286 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:11,286 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:14:11,286 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:14:11,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:14:11,287 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:11,287 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:14:11,287 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:11,287 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:11,288 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_0ad1afc3-755b-465c-a4c5-5f112c5639dd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad1afc3-755b-465c-a4c5-5f112c5639dd/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a989f4e4a3aacdd59050e92fbc137ca8587ab53a966b56d72019bc54a6301ad [2023-11-23 21:14:11,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:11,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:11,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:11,668 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:11,670 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:11,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad1afc3-755b-465c-a4c5-5f112c5639dd/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i [2023-11-23 21:14:14,732 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:14:15,446 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:14:15,446 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad1afc3-755b-465c-a4c5-5f112c5639dd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i [2023-11-23 21:14:15,522 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad1afc3-755b-465c-a4c5-5f112c5639dd/bin/utaipan-verify-mE87zJ7Ire/data/1cc5fbee7/c76b1bc260ed46188b0bdee418052d24/FLAG3d4b9ecc1 [2023-11-23 21:14:15,541 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad1afc3-755b-465c-a4c5-5f112c5639dd/bin/utaipan-verify-mE87zJ7Ire/data/1cc5fbee7/c76b1bc260ed46188b0bdee418052d24 [2023-11-23 21:14:15,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:14:15,548 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:14:15,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:15,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:14:15,557 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:14:15,558 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:15" (1/1) ... [2023-11-23 21:14:15,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7af0e6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:15, skipping insertion in model container [2023-11-23 21:14:15,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:15" (1/1) ... [2023-11-23 21:14:15,751 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:14:18,380 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_0ad1afc3-755b-465c-a4c5-5f112c5639dd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i[424639,424652] [2023-11-23 21:14:18,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:18,771 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:14:18,858 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [3473] [2023-11-23 21:14:18,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [3481] [2023-11-23 21:14:19,259 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_0ad1afc3-755b-465c-a4c5-5f112c5639dd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i[424639,424652] [2023-11-23 21:14:19,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:20,046 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:14:20,054 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:14:20,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:20 WrapperNode [2023-11-23 21:14:20,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:20,071 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:20,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:14:20,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:14:20,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:20" (1/1) ... [2023-11-23 21:14:20,264 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:20" (1/1) ... [2023-11-23 21:14:20,739 INFO L138 Inliner]: procedures = 330, calls = 6015, calls flagged for inlining = 178, calls inlined = 173, statements flattened = 16994 [2023-11-23 21:14:20,739 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:20,740 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:14:20,740 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:14:20,740 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:14:20,750 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:20" (1/1) ... [2023-11-23 21:14:20,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:20" (1/1) ... [2023-11-23 21:14:20,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:20" (1/1) ... [2023-11-23 21:14:20,849 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:20" (1/1) ... [2023-11-23 21:14:21,246 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:20" (1/1) ... [2023-11-23 21:14:21,312 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:20" (1/1) ... [2023-11-23 21:14:21,360 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:20" (1/1) ... [2023-11-23 21:14:21,390 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:20" (1/1) ... [2023-11-23 21:14:21,466 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:14:21,467 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:14:21,467 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:14:21,467 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:14:21,468 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:20" (1/1) ... [2023-11-23 21:14:21,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:21,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad1afc3-755b-465c-a4c5-5f112c5639dd/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:21,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad1afc3-755b-465c-a4c5-5f112c5639dd/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:14:21,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ad1afc3-755b-465c-a4c5-5f112c5639dd/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:14:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2023-11-23 21:14:21,713 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2023-11-23 21:14:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_get_system_info [2023-11-23 21:14:21,715 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_get_system_info [2023-11-23 21:14:21,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:14:21,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:14:21,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:14:21,716 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:14:21,716 INFO L130 BoogieDeclarations]: Found specification of procedure adc_lsb [2023-11-23 21:14:21,716 INFO L138 BoogieDeclarations]: Found implementation of procedure adc_lsb [2023-11-23 21:14:21,716 INFO L130 BoogieDeclarations]: Found specification of procedure set_pwm_enable [2023-11-23 21:14:21,716 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pwm_enable [2023-11-23 21:14:21,717 INFO L130 BoogieDeclarations]: Found specification of procedure set_in [2023-11-23 21:14:21,717 INFO L138 BoogieDeclarations]: Found implementation of procedure set_in [2023-11-23 21:14:21,717 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2023-11-23 21:14:21,717 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2023-11-23 21:14:21,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:14:21,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:14:21,719 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2023-11-23 21:14:21,719 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2023-11-23 21:14:21,719 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan_div [2023-11-23 21:14:21,719 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan_div [2023-11-23 21:14:21,720 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:14:21,720 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:14:21,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:14:21,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:14:21,721 INFO L130 BoogieDeclarations]: Found specification of procedure superio_select [2023-11-23 21:14:21,721 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_select [2023-11-23 21:14:21,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:14:21,722 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:14:21,722 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:14:21,723 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:14:21,723 INFO L130 BoogieDeclarations]: Found specification of procedure it87_remove_files [2023-11-23 21:14:21,723 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_remove_files [2023-11-23 21:14:21,723 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inb [2023-11-23 21:14:21,724 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inb [2023-11-23 21:14:21,724 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outb [2023-11-23 21:14:21,724 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outb [2023-11-23 21:14:21,724 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-23 21:14:21,725 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-23 21:14:21,725 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_freq [2023-11-23 21:14:21,725 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_freq [2023-11-23 21:14:21,725 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inw [2023-11-23 21:14:21,725 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inw [2023-11-23 21:14:21,725 INFO L130 BoogieDeclarations]: Found specification of procedure set_auto_pwm [2023-11-23 21:14:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auto_pwm [2023-11-23 21:14:21,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:14:21,726 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2023-11-23 21:14:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2023-11-23 21:14:21,726 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:14:21,726 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2023-11-23 21:14:21,726 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2023-11-23 21:14:21,727 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2023-11-23 21:14:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2023-11-23 21:14:21,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:14:21,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:14:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:14:21,728 INFO L130 BoogieDeclarations]: Found specification of procedure show_beep [2023-11-23 21:14:21,728 INFO L138 BoogieDeclarations]: Found implementation of procedure show_beep [2023-11-23 21:14:21,729 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2023-11-23 21:14:21,729 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2023-11-23 21:14:21,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:14:21,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:14:21,730 INFO L130 BoogieDeclarations]: Found specification of procedure show_auto_pwm [2023-11-23 21:14:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure show_auto_pwm [2023-11-23 21:14:21,730 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:14:21,730 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:14:21,730 INFO L130 BoogieDeclarations]: Found specification of procedure it87_probe [2023-11-23 21:14:21,731 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_probe [2023-11-23 21:14:21,731 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:14:21,731 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:14:21,731 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm [2023-11-23 21:14:21,732 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm [2023-11-23 21:14:21,732 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_enable [2023-11-23 21:14:21,732 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_enable [2023-11-23 21:14:21,732 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_type [2023-11-23 21:14:21,732 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_type [2023-11-23 21:14:21,732 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-23 21:14:21,732 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-23 21:14:21,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_it87_data [2023-11-23 21:14:21,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_it87_data [2023-11-23 21:14:21,733 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2023-11-23 21:14:21,733 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2023-11-23 21:14:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2023-11-23 21:14:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2023-11-23 21:14:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-23 21:14:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-23 21:14:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-23 21:14:21,735 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-23 21:14:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2023-11-23 21:14:21,735 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2023-11-23 21:14:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure set_pwm_temp_map [2023-11-23 21:14:21,735 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pwm_temp_map [2023-11-23 21:14:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:14:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure set_auto_temp [2023-11-23 21:14:21,736 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auto_temp [2023-11-23 21:14:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_temp_map [2023-11-23 21:14:21,736 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_temp_map [2023-11-23 21:14:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2023-11-23 21:14:21,736 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2023-11-23 21:14:21,736 INFO L130 BoogieDeclarations]: Found specification of procedure it87_write_value [2023-11-23 21:14:21,736 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_write_value [2023-11-23 21:14:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2023-11-23 21:14:21,737 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2023-11-23 21:14:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:14:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-23 21:14:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-23 21:14:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp [2023-11-23 21:14:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp [2023-11-23 21:14:21,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:14:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:14:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:14:21,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:14:21,739 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp_type [2023-11-23 21:14:21,740 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp_type [2023-11-23 21:14:21,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:14:21,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 21:14:21,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 21:14:21,740 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_file [2023-11-23 21:14:21,740 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_file [2023-11-23 21:14:21,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:14:21,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:14:21,741 INFO L130 BoogieDeclarations]: Found specification of procedure it87_read_value [2023-11-23 21:14:21,741 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_read_value [2023-11-23 21:14:21,741 INFO L130 BoogieDeclarations]: Found specification of procedure pwm_to_reg [2023-11-23 21:14:21,742 INFO L138 BoogieDeclarations]: Found implementation of procedure pwm_to_reg [2023-11-23 21:14:21,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_it87_data [2023-11-23 21:14:21,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_it87_data [2023-11-23 21:14:21,742 INFO L130 BoogieDeclarations]: Found specification of procedure show_label [2023-11-23 21:14:21,742 INFO L138 BoogieDeclarations]: Found implementation of procedure show_label [2023-11-23 21:14:21,743 INFO L130 BoogieDeclarations]: Found specification of procedure set_beep [2023-11-23 21:14:21,743 INFO L138 BoogieDeclarations]: Found implementation of procedure set_beep [2023-11-23 21:14:21,743 INFO L130 BoogieDeclarations]: Found specification of procedure set_pwm [2023-11-23 21:14:21,744 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pwm [2023-11-23 21:14:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2023-11-23 21:14:21,744 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2023-11-23 21:14:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-23 21:14:21,744 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-23 21:14:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp [2023-11-23 21:14:21,744 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp [2023-11-23 21:14:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure it87_remove [2023-11-23 21:14:21,745 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_remove [2023-11-23 21:14:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2023-11-23 21:14:21,746 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2023-11-23 21:14:21,747 INFO L130 BoogieDeclarations]: Found specification of procedure it87_update_device [2023-11-23 21:14:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_update_device [2023-11-23 21:14:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure show_auto_temp [2023-11-23 21:14:21,750 INFO L138 BoogieDeclarations]: Found implementation of procedure show_auto_temp [2023-11-23 21:14:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-23 21:14:21,751 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-23 21:14:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure pwm_from_reg [2023-11-23 21:14:21,753 INFO L138 BoogieDeclarations]: Found implementation of procedure pwm_from_reg [2023-11-23 21:14:21,753 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan [2023-11-23 21:14:21,753 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan [2023-11-23 21:14:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:14:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:14:21,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:14:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:14:21,759 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:14:23,210 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:14:23,215 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:14:23,626 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:14:45,889 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:14:53,261 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:14:53,261 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:14:53,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:53 BoogieIcfgContainer [2023-11-23 21:14:53,266 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:14:53,271 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:14:53,271 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:14:53,275 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:14:53,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:14:15" (1/3) ... [2023-11-23 21:14:53,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50fdb068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:53, skipping insertion in model container [2023-11-23 21:14:53,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:20" (2/3) ... [2023-11-23 21:14:53,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50fdb068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:53, skipping insertion in model container [2023-11-23 21:14:53,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:53" (3/3) ... [2023-11-23 21:14:53,281 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i [2023-11-23 21:14:53,304 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:14:53,305 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:14:53,469 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:14:53,479 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;@50a445c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:14:53,479 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:14:53,502 INFO L276 IsEmpty]: Start isEmpty. Operand has 3757 states, 2414 states have (on average 1.4395194697597349) internal successors, (3475), 2574 states have internal predecessors, (3475), 1269 states have call successors, (1269), 73 states have call predecessors, (1269), 72 states have return successors, (1128), 1128 states have call predecessors, (1128), 1128 states have call successors, (1128) [2023-11-23 21:14:54,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4748 [2023-11-23 21:14:54,189 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:54,193 INFO L195 NwaCegarLoop]: trace histogram [333, 333, 333, 333, 333, 333, 333, 333, 333, 81, 81, 81, 81, 81, 81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:14:54,193 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:54,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:54,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1185099319, now seen corresponding path program 1 times [2023-11-23 21:14:54,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:54,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108146002] [2023-11-23 21:14:54,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:54,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat