./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--w83781d.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebcb1a3-c618-47c8-85a3-0bfa1c27a2c8/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebcb1a3-c618-47c8-85a3-0bfa1c27a2c8/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebcb1a3-c618-47c8-85a3-0bfa1c27a2c8/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebcb1a3-c618-47c8-85a3-0bfa1c27a2c8/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83781d.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebcb1a3-c618-47c8-85a3-0bfa1c27a2c8/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebcb1a3-c618-47c8-85a3-0bfa1c27a2c8/bin/utaipan-verify-sOmjnqqW8E --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 0564b8be4162feecc69c55a6b0b3eda68686a764b41f4f7494c14a4ffed0dc25 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:56:30,453 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:56:30,534 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebcb1a3-c618-47c8-85a3-0bfa1c27a2c8/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 04:56:30,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:56:30,539 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:56:30,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:56:30,561 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:56:30,561 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:56:30,561 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:56:30,561 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:56:30,562 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:56:30,562 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:56:30,562 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:56:30,562 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:56:30,562 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:56:30,562 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:56:30,562 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:56:30,562 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:56:30,562 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:56:30,563 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:56:30,563 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:56:30,563 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:56:30,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:56:30,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:56:30,563 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:56:30,563 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:56:30,564 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:56:30,564 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:56:30,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:56:30,564 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:56:30,564 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:56:30,564 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:56:30,564 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:56:30,564 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:56:30,564 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:56:30,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:56:30,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:56:30,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:56:30,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:56:30,565 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:56:30,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:56:30,565 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:56:30,565 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:56:30,565 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:56:30,565 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_bebcb1a3-c618-47c8-85a3-0bfa1c27a2c8/bin/utaipan-verify-sOmjnqqW8E 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 -> 0564b8be4162feecc69c55a6b0b3eda68686a764b41f4f7494c14a4ffed0dc25 [2024-11-14 04:56:30,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:56:30,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:56:30,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:56:30,907 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:56:30,908 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:56:30,909 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebcb1a3-c618-47c8-85a3-0bfa1c27a2c8/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83781d.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-14 04:56:32,818 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:56:33,509 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:56:33,511 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebcb1a3-c618-47c8-85a3-0bfa1c27a2c8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83781d.ko-entry_point.cil.out.i [2024-11-14 04:56:33,564 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebcb1a3-c618-47c8-85a3-0bfa1c27a2c8/bin/utaipan-verify-sOmjnqqW8E/data/89c5ec50a/e1e700a44d0c4e82b24c45ce6faf4f43/FLAGba2afa2a0 [2024-11-14 04:56:33,585 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebcb1a3-c618-47c8-85a3-0bfa1c27a2c8/bin/utaipan-verify-sOmjnqqW8E/data/89c5ec50a/e1e700a44d0c4e82b24c45ce6faf4f43 [2024-11-14 04:56:33,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:56:33,588 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:56:33,589 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:56:33,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:56:33,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:56:33,595 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:56:33" (1/1) ... [2024-11-14 04:56:33,597 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55e8d5ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:33, skipping insertion in model container [2024-11-14 04:56:33,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:56:33" (1/1) ... [2024-11-14 04:56:33,760 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:56:35,526 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_bebcb1a3-c618-47c8-85a3-0bfa1c27a2c8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83781d.ko-entry_point.cil.out.i[291343,291356] [2024-11-14 04:56:35,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:56:35,834 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:56:36,248 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_bebcb1a3-c618-47c8-85a3-0bfa1c27a2c8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83781d.ko-entry_point.cil.out.i[291343,291356] [2024-11-14 04:56:36,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:56:36,694 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:56:36,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:36 WrapperNode [2024-11-14 04:56:36,696 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:56:36,698 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:56:36,698 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:56:36,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:56:36,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:36" (1/1) ... [2024-11-14 04:56:36,845 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:36" (1/1) ... [2024-11-14 04:56:37,216 INFO L138 Inliner]: procedures = 285, calls = 3856, calls flagged for inlining = 145, calls inlined = 141, statements flattened = 11291 [2024-11-14 04:56:37,216 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:56:37,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:56:37,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:56:37,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:56:37,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:36" (1/1) ... [2024-11-14 04:56:37,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:36" (1/1) ... [2024-11-14 04:56:37,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:36" (1/1) ... [2024-11-14 04:56:37,286 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:36" (1/1) ... [2024-11-14 04:56:37,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:36" (1/1) ... [2024-11-14 04:56:37,640 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:36" (1/1) ... [2024-11-14 04:56:37,675 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:36" (1/1) ... [2024-11-14 04:56:37,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:36" (1/1) ... [2024-11-14 04:56:37,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:56:37,812 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:56:37,812 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:56:37,812 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:56:37,814 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:36" (1/1) ... [2024-11-14 04:56:37,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:56:37,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebcb1a3-c618-47c8-85a3-0bfa1c27a2c8/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:56:37,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebcb1a3-c618-47c8-85a3-0bfa1c27a2c8/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:56:37,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bebcb1a3-c618-47c8-85a3-0bfa1c27a2c8/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:56:37,889 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_read_value [2024-11-14 04:56:37,890 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_read_value [2024-11-14 04:56:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_max [2024-11-14 04:56:37,890 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_max [2024-11-14 04:56:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 04:56:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-14 04:56:37,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-14 04:56:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-14 04:56:37,890 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-14 04:56:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_detect [2024-11-14 04:56:37,890 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_detect [2024-11-14 04:56:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2024-11-14 04:56:37,891 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2024-11-14 04:56:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure store_beep [2024-11-14 04:56:37,891 INFO L138 BoogieDeclarations]: Found implementation of procedure store_beep [2024-11-14 04:56:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-14 04:56:37,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-14 04:56:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm [2024-11-14 04:56:37,891 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm [2024-11-14 04:56:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_min [2024-11-14 04:56:37,891 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_min [2024-11-14 04:56:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_div [2024-11-14 04:56:37,891 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_div [2024-11-14 04:56:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure LM75_TEMP_FROM_REG [2024-11-14 04:56:37,891 INFO L138 BoogieDeclarations]: Found implementation of procedure LM75_TEMP_FROM_REG [2024-11-14 04:56:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-14 04:56:37,891 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-14 04:56:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-14 04:56:37,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-14 04:56:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2024-11-14 04:56:37,892 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2024-11-14 04:56:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure show_sensor [2024-11-14 04:56:37,892 INFO L138 BoogieDeclarations]: Found implementation of procedure show_sensor [2024-11-14 04:56:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:56:37,892 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:56:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-14 04:56:37,892 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-14 04:56:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_min [2024-11-14 04:56:37,893 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_min [2024-11-14 04:56:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 04:56:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp_max_hyst [2024-11-14 04:56:37,893 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp_max_hyst [2024-11-14 04:56:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2024-11-14 04:56:37,893 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2024-11-14 04:56:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2024-11-14 04:56:37,893 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2024-11-14 04:56:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_isa_unregister [2024-11-14 04:56:37,893 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_isa_unregister [2024-11-14 04:56:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2024-11-14 04:56:37,893 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2024-11-14 04:56:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 04:56:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-14 04:56:37,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-14 04:56:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure show_beep [2024-11-14 04:56:37,893 INFO L138 BoogieDeclarations]: Found implementation of procedure show_beep [2024-11-14 04:56:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2024-11-14 04:56:37,894 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2024-11-14 04:56:37,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 04:56:37,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 04:56:37,894 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2024-11-14 04:56:37,894 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2024-11-14 04:56:37,894 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-14 04:56:37,894 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-14 04:56:37,894 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-14 04:56:37,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-14 04:56:37,894 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm [2024-11-14 04:56:37,894 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm [2024-11-14 04:56:37,894 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_FROM_REG [2024-11-14 04:56:37,894 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_FROM_REG [2024-11-14 04:56:37,894 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-14 04:56:37,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-14 04:56:37,894 INFO L130 BoogieDeclarations]: Found specification of procedure store_sensor [2024-11-14 04:56:37,894 INFO L138 BoogieDeclarations]: Found implementation of procedure store_sensor [2024-11-14 04:56:37,894 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_update_device [2024-11-14 04:56:37,894 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_update_device [2024-11-14 04:56:37,895 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_remove_files [2024-11-14 04:56:37,895 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_remove_files [2024-11-14 04:56:37,895 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2024-11-14 04:56:37,895 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2024-11-14 04:56:37,895 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-14 04:56:37,895 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-14 04:56:37,895 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_max [2024-11-14 04:56:37,895 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_max [2024-11-14 04:56:37,895 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_word_swapped [2024-11-14 04:56:37,895 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_word_swapped [2024-11-14 04:56:37,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 04:56:37,895 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2024-11-14 04:56:37,895 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2024-11-14 04:56:37,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_w83781d_data [2024-11-14 04:56:37,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_w83781d_data [2024-11-14 04:56:37,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:56:37,895 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2024-11-14 04:56:37,895 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2024-11-14 04:56:37,898 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2024-11-14 04:56:37,899 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2024-11-14 04:56:37,899 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_word_swapped [2024-11-14 04:56:37,900 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_word_swapped [2024-11-14 04:56:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2024-11-14 04:56:37,900 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2024-11-14 04:56:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure LM75_TEMP_TO_REG [2024-11-14 04:56:37,900 INFO L138 BoogieDeclarations]: Found implementation of procedure LM75_TEMP_TO_REG [2024-11-14 04:56:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:56:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_w83781d_data [2024-11-14 04:56:37,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_w83781d_data [2024-11-14 04:56:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-14 04:56:37,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-14 04:56:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp [2024-11-14 04:56:37,901 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp [2024-11-14 04:56:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-14 04:56:37,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-14 04:56:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_w83781d_data [2024-11-14 04:56:37,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_w83781d_data [2024-11-14 04:56:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp_max [2024-11-14 04:56:37,903 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp_max [2024-11-14 04:56:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-14 04:56:37,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-14 04:56:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_write_value [2024-11-14 04:56:37,903 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_write_value [2024-11-14 04:56:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 04:56:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_min [2024-11-14 04:56:37,903 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_min [2024-11-14 04:56:37,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-14 04:56:37,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-14 04:56:37,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:56:37,904 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_min [2024-11-14 04:56:37,904 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_min [2024-11-14 04:56:37,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 04:56:37,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_w83781d_data [2024-11-14 04:56:37,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_w83781d_data [2024-11-14 04:56:37,904 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_max [2024-11-14 04:56:37,904 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_max [2024-11-14 04:56:37,904 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_max_hyst [2024-11-14 04:56:37,904 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_max_hyst [2024-11-14 04:56:37,904 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2024-11-14 04:56:37,904 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2024-11-14 04:56:37,904 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-14 04:56:37,904 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-14 04:56:37,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:56:37,904 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2024-11-14 04:56:37,904 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2024-11-14 04:56:37,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:56:37,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:56:37,906 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-14 04:56:37,906 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-14 04:56:39,229 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:56:39,231 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:56:39,887 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-14 04:57:15,306 INFO L? ?]: Removed 2806 outVars from TransFormulas that were not future-live. [2024-11-14 04:57:15,307 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:57:19,553 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:57:19,557 INFO L316 CfgBuilder]: Removed 23 assume(true) statements. [2024-11-14 04:57:19,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:57:19 BoogieIcfgContainer [2024-11-14 04:57:19,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:57:19,560 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:57:19,564 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:57:19,572 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:57:19,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:56:33" (1/3) ... [2024-11-14 04:57:19,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7513815c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:57:19, skipping insertion in model container [2024-11-14 04:57:19,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:36" (2/3) ... [2024-11-14 04:57:19,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7513815c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:57:19, skipping insertion in model container [2024-11-14 04:57:19,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:57:19" (3/3) ... [2024-11-14 04:57:19,575 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83781d.ko-entry_point.cil.out.i [2024-11-14 04:57:19,602 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:57:19,606 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83781d.ko-entry_point.cil.out.i that has 66 procedures, 2672 locations, 1 initial locations, 24 loop locations, and 1 error locations. [2024-11-14 04:57:19,811 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:57:19,833 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;@103dbb3e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:57:19,834 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:57:19,853 INFO L276 IsEmpty]: Start isEmpty. Operand has 2671 states, 1703 states have (on average 1.4298297122724604) internal successors, (2435), 1807 states have internal predecessors, (2435), 902 states have call successors, (902), 65 states have call predecessors, (902), 64 states have return successors, (811), 811 states have call predecessors, (811), 811 states have call successors, (811) [2024-11-14 04:57:20,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2820 [2024-11-14 04:57:20,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:57:20,235 INFO L215 NwaCegarLoop]: trace histogram [210, 210, 210, 210, 210, 210, 210, 210, 210, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:57:20,239 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:57:20,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:57:20,256 INFO L85 PathProgramCache]: Analyzing trace with hash 2043320044, now seen corresponding path program 1 times [2024-11-14 04:57:20,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:57:20,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249391769] [2024-11-14 04:57:20,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:57:20,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:00:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:00:34,794 INFO L134 CoverageAnalysis]: Checked inductivity of 224070 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 224070 trivial. 0 not checked. [2024-11-14 05:00:34,795 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:00:34,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249391769] [2024-11-14 05:00:34,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249391769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:00:34,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:00:34,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:00:34,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506775706] [2024-11-14 05:00:34,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:00:34,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:00:34,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:00:34,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:00:34,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:00:34,899 INFO L87 Difference]: Start difference. First operand has 2671 states, 1703 states have (on average 1.4298297122724604) internal successors, (2435), 1807 states have internal predecessors, (2435), 902 states have call successors, (902), 65 states have call predecessors, (902), 64 states have return successors, (811), 811 states have call predecessors, (811), 811 states have call successors, (811) Second operand has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 2 states have call successors, (273), 2 states have call predecessors, (273), 1 states have return successors, (269), 2 states have call predecessors, (269), 2 states have call successors, (269) [2024-11-14 05:00:37,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:00:40,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:00:43,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:00:45,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:00:46,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:00:46,300 INFO L93 Difference]: Finished difference Result 6932 states and 11372 transitions. [2024-11-14 05:00:46,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:00:46,304 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 2 states have call successors, (273), 2 states have call predecessors, (273), 1 states have return successors, (269), 2 states have call predecessors, (269), 2 states have call successors, (269) Word has length 2819 [2024-11-14 05:00:46,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:00:46,381 INFO L225 Difference]: With dead ends: 6932 [2024-11-14 05:00:46,382 INFO L226 Difference]: Without dead ends: 4610 [2024-11-14 05:00:46,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:00:46,428 INFO L432 NwaCegarLoop]: 3936 mSDtfsCounter, 4122 mSDsluCounter, 3133 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4122 SdHoareTripleChecker+Valid, 7069 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2024-11-14 05:00:46,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4122 Valid, 7069 Invalid, 409 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 403 Invalid, 4 Unknown, 0 Unchecked, 10.7s Time] [2024-11-14 05:00:46,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4610 states. [2024-11-14 05:00:47,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4610 to 4593. [2024-11-14 05:00:47,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4593 states, 3120 states have (on average 1.407371794871795) internal successors, (4391), 3137 states have internal predecessors, (4391), 1347 states have call successors, (1347), 126 states have call predecessors, (1347), 125 states have return successors, (1339), 1337 states have call predecessors, (1339), 1339 states have call successors, (1339) [2024-11-14 05:00:47,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4593 states to 4593 states and 7077 transitions. [2024-11-14 05:00:47,359 INFO L78 Accepts]: Start accepts. Automaton has 4593 states and 7077 transitions. Word has length 2819 [2024-11-14 05:00:47,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:00:47,365 INFO L471 AbstractCegarLoop]: Abstraction has 4593 states and 7077 transitions. [2024-11-14 05:00:47,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 2 states have call successors, (273), 2 states have call predecessors, (273), 1 states have return successors, (269), 2 states have call predecessors, (269), 2 states have call successors, (269) [2024-11-14 05:00:47,366 INFO L276 IsEmpty]: Start isEmpty. Operand 4593 states and 7077 transitions. [2024-11-14 05:00:47,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2821 [2024-11-14 05:00:47,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:00:47,644 INFO L215 NwaCegarLoop]: trace histogram [210, 210, 210, 210, 210, 210, 210, 210, 210, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:00:47,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:00:47,645 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:00:47,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:00:47,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1304551257, now seen corresponding path program 1 times [2024-11-14 05:00:47,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:00:47,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027084170] [2024-11-14 05:00:47,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:00:47,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:04:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:04:49,228 INFO L134 CoverageAnalysis]: Checked inductivity of 224070 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 224070 trivial. 0 not checked. [2024-11-14 05:04:49,229 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:04:49,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027084170] [2024-11-14 05:04:49,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027084170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:04:49,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:04:49,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:04:49,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375091153] [2024-11-14 05:04:49,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:04:49,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:04:49,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:04:49,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:04:49,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:04:49,259 INFO L87 Difference]: Start difference. First operand 4593 states and 7077 transitions. Second operand has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 2 states have call successors, (273), 2 states have call predecessors, (273), 1 states have return successors, (269), 2 states have call predecessors, (269), 2 states have call successors, (269) [2024-11-14 05:04:52,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:04:54,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:04:54,465 INFO L93 Difference]: Finished difference Result 12695 states and 19609 transitions. [2024-11-14 05:04:54,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:04:54,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 2 states have call successors, (273), 2 states have call predecessors, (273), 1 states have return successors, (269), 2 states have call predecessors, (269), 2 states have call successors, (269) Word has length 2820 [2024-11-14 05:04:54,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:04:54,584 INFO L225 Difference]: With dead ends: 12695 [2024-11-14 05:04:54,584 INFO L226 Difference]: Without dead ends: 8638 [2024-11-14 05:04:54,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:04:54,625 INFO L432 NwaCegarLoop]: 3762 mSDtfsCounter, 3938 mSDsluCounter, 2949 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3938 SdHoareTripleChecker+Valid, 6711 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-14 05:04:54,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3938 Valid, 6711 Invalid, 406 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 403 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-14 05:04:54,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8638 states. [2024-11-14 05:04:55,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8638 to 8621. [2024-11-14 05:04:55,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8621 states, 5953 states have (on average 1.4253317654963884) internal successors, (8485), 5982 states have internal predecessors, (8485), 2418 states have call successors, (2418), 250 states have call predecessors, (2418), 249 states have return successors, (2410), 2404 states have call predecessors, (2410), 2410 states have call successors, (2410) [2024-11-14 05:04:55,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8621 states to 8621 states and 13313 transitions. [2024-11-14 05:04:55,846 INFO L78 Accepts]: Start accepts. Automaton has 8621 states and 13313 transitions. Word has length 2820 [2024-11-14 05:04:55,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:04:55,856 INFO L471 AbstractCegarLoop]: Abstraction has 8621 states and 13313 transitions. [2024-11-14 05:04:55,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 2 states have call successors, (273), 2 states have call predecessors, (273), 1 states have return successors, (269), 2 states have call predecessors, (269), 2 states have call successors, (269) [2024-11-14 05:04:55,858 INFO L276 IsEmpty]: Start isEmpty. Operand 8621 states and 13313 transitions. [2024-11-14 05:04:56,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2824 [2024-11-14 05:04:56,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:04:56,301 INFO L215 NwaCegarLoop]: trace histogram [210, 210, 210, 210, 210, 210, 210, 210, 210, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:04:56,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:04:56,303 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:04:56,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:04:56,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1476831393, now seen corresponding path program 1 times [2024-11-14 05:04:56,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:04:56,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734190769] [2024-11-14 05:04:56,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:04:56,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:08:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:08:10,949 INFO L134 CoverageAnalysis]: Checked inductivity of 224070 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 224070 trivial. 0 not checked. [2024-11-14 05:08:10,953 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:08:10,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734190769] [2024-11-14 05:08:10,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734190769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:08:10,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:08:10,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:08:10,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869216461] [2024-11-14 05:08:10,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:08:10,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:08:10,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:08:10,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:08:10,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:08:10,974 INFO L87 Difference]: Start difference. First operand 8621 states and 13313 transitions. Second operand has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 2 states have call successors, (273), 2 states have call predecessors, (273), 1 states have return successors, (269), 2 states have call predecessors, (269), 2 states have call successors, (269) [2024-11-14 05:08:13,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:08:15,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:08:15,636 INFO L93 Difference]: Finished difference Result 24738 states and 38254 transitions. [2024-11-14 05:08:15,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:08:15,637 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 2 states have call successors, (273), 2 states have call predecessors, (273), 1 states have return successors, (269), 2 states have call predecessors, (269), 2 states have call successors, (269) Word has length 2823 [2024-11-14 05:08:15,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:08:15,772 INFO L225 Difference]: With dead ends: 24738 [2024-11-14 05:08:15,772 INFO L226 Difference]: Without dead ends: 16653 [2024-11-14 05:08:15,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:08:15,815 INFO L432 NwaCegarLoop]: 3772 mSDtfsCounter, 3923 mSDsluCounter, 2949 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3923 SdHoareTripleChecker+Valid, 6721 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:08:15,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3923 Valid, 6721 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 403 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-11-14 05:08:15,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16653 states. [2024-11-14 05:08:16,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16653 to 16633. [2024-11-14 05:08:16,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16633 states, 11593 states have (on average 1.4354351763995514) internal successors, (16641), 11646 states have internal predecessors, (16641), 4542 states have call successors, (4542), 498 states have call predecessors, (4542), 497 states have return successors, (4534), 4520 states have call predecessors, (4534), 4534 states have call successors, (4534) [2024-11-14 05:08:17,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16633 states to 16633 states and 25717 transitions. [2024-11-14 05:08:17,020 INFO L78 Accepts]: Start accepts. Automaton has 16633 states and 25717 transitions. Word has length 2823 [2024-11-14 05:08:17,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:08:17,024 INFO L471 AbstractCegarLoop]: Abstraction has 16633 states and 25717 transitions. [2024-11-14 05:08:17,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 2 states have call successors, (273), 2 states have call predecessors, (273), 1 states have return successors, (269), 2 states have call predecessors, (269), 2 states have call successors, (269) [2024-11-14 05:08:17,026 INFO L276 IsEmpty]: Start isEmpty. Operand 16633 states and 25717 transitions. [2024-11-14 05:08:17,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2824 [2024-11-14 05:08:17,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:08:17,173 INFO L215 NwaCegarLoop]: trace histogram [210, 210, 210, 210, 210, 210, 210, 210, 210, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:08:17,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 05:08:17,173 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:08:17,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:08:17,175 INFO L85 PathProgramCache]: Analyzing trace with hash -69843144, now seen corresponding path program 1 times [2024-11-14 05:08:17,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:08:17,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592029142] [2024-11-14 05:08:17,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:08:17,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms