./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0aef10-c13f-4a4f-b209-30ca6c8cbe27/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0aef10-c13f-4a4f-b209-30ca6c8cbe27/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_1d0aef10-c13f-4a4f-b209-30ca6c8cbe27/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0aef10-c13f-4a4f-b209-30ca6c8cbe27/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--it87.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0aef10-c13f-4a4f-b209-30ca6c8cbe27/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_1d0aef10-c13f-4a4f-b209-30ca6c8cbe27/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 5a989f4e4a3aacdd59050e92fbc137ca8587ab53a966b56d72019bc54a6301ad --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:45:03,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:45:03,311 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0aef10-c13f-4a4f-b209-30ca6c8cbe27/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 02:45:03,316 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:45:03,316 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:45:03,353 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:45:03,354 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:45:03,355 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:45:03,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:45:03,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:45:03,356 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:45:03,356 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:45:03,356 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:45:03,357 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:45:03,357 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:45:03,358 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:45:03,358 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:45:03,358 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:45:03,359 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:45:03,359 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:45:03,359 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:45:03,359 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:45:03,359 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:45:03,360 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:45:03,360 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:45:03,360 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:45:03,360 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:45:03,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:45:03,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:45:03,360 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:45:03,360 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:45:03,360 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:45:03,360 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:45:03,360 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:45:03,360 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:45:03,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:45:03,361 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:45:03,361 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:45:03,361 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:45:03,361 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:45:03,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:45:03,361 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:45:03,361 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:45:03,362 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:45:03,362 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_1d0aef10-c13f-4a4f-b209-30ca6c8cbe27/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 -> 5a989f4e4a3aacdd59050e92fbc137ca8587ab53a966b56d72019bc54a6301ad [2024-11-14 02:45:03,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:45:03,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:45:03,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:45:03,708 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:45:03,709 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:45:03,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0aef10-c13f-4a4f-b209-30ca6c8cbe27/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-14 02:45:05,749 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:45:06,517 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:45:06,520 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0aef10-c13f-4a4f-b209-30ca6c8cbe27/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i [2024-11-14 02:45:06,585 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0aef10-c13f-4a4f-b209-30ca6c8cbe27/bin/utaipan-verify-sOmjnqqW8E/data/38a0795db/6d4727cdf4e2429cb66526c191552aa5/FLAGf86cc9dd4 [2024-11-14 02:45:06,829 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0aef10-c13f-4a4f-b209-30ca6c8cbe27/bin/utaipan-verify-sOmjnqqW8E/data/38a0795db/6d4727cdf4e2429cb66526c191552aa5 [2024-11-14 02:45:06,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:45:06,833 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:45:06,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:45:06,835 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:45:06,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:45:06,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:45:06" (1/1) ... [2024-11-14 02:45:06,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40b02641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:06, skipping insertion in model container [2024-11-14 02:45:06,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:45:06" (1/1) ... [2024-11-14 02:45:07,020 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:45:09,415 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_1d0aef10-c13f-4a4f-b209-30ca6c8cbe27/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] [2024-11-14 02:45:09,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:45:09,801 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:45:09,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [3473] [2024-11-14 02:45:09,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [3481] [2024-11-14 02:45:10,365 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_1d0aef10-c13f-4a4f-b209-30ca6c8cbe27/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] [2024-11-14 02:45:10,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:45:11,120 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:45:11,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:11 WrapperNode [2024-11-14 02:45:11,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:45:11,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:45:11,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:45:11,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:45:11,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:11" (1/1) ... [2024-11-14 02:45:11,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:11" (1/1) ... [2024-11-14 02:45:11,674 INFO L138 Inliner]: procedures = 332, calls = 5907, calls flagged for inlining = 178, calls inlined = 173, statements flattened = 17308 [2024-11-14 02:45:11,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:45:11,675 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:45:11,675 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:45:11,675 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:45:11,686 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:11" (1/1) ... [2024-11-14 02:45:11,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:11" (1/1) ... [2024-11-14 02:45:11,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:11" (1/1) ... [2024-11-14 02:45:11,765 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:11" (1/1) ... [2024-11-14 02:45:12,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:11" (1/1) ... [2024-11-14 02:45:12,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:11" (1/1) ... [2024-11-14 02:45:12,150 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:11" (1/1) ... [2024-11-14 02:45:12,191 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:11" (1/1) ... [2024-11-14 02:45:12,282 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:45:12,283 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:45:12,284 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:45:12,284 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:45:12,285 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:11" (1/1) ... [2024-11-14 02:45:12,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:45:12,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0aef10-c13f-4a4f-b209-30ca6c8cbe27/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:45:12,331 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0aef10-c13f-4a4f-b209-30ca6c8cbe27/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:45:12,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0aef10-c13f-4a4f-b209-30ca6c8cbe27/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:45:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2024-11-14 02:45:12,364 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2024-11-14 02:45:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_get_system_info [2024-11-14 02:45:12,365 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_get_system_info [2024-11-14 02:45:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 02:45:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-14 02:45:12,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-14 02:45:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-14 02:45:12,365 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-14 02:45:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure adc_lsb [2024-11-14 02:45:12,366 INFO L138 BoogieDeclarations]: Found implementation of procedure adc_lsb [2024-11-14 02:45:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure set_pwm_enable [2024-11-14 02:45:12,366 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pwm_enable [2024-11-14 02:45:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure set_in [2024-11-14 02:45:12,366 INFO L138 BoogieDeclarations]: Found implementation of procedure set_in [2024-11-14 02:45:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2024-11-14 02:45:12,366 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2024-11-14 02:45:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-14 02:45:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-14 02:45:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2024-11-14 02:45:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2024-11-14 02:45:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan_div [2024-11-14 02:45:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan_div [2024-11-14 02:45:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-14 02:45:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-14 02:45:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-14 02:45:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-14 02:45:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure superio_select [2024-11-14 02:45:12,368 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_select [2024-11-14 02:45:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-14 02:45:12,368 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-14 02:45:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 02:45:12,368 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 02:45:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure it87_remove_files [2024-11-14 02:45:12,368 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_remove_files [2024-11-14 02:45:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inb [2024-11-14 02:45:12,368 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inb [2024-11-14 02:45:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outb [2024-11-14 02:45:12,369 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outb [2024-11-14 02:45:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-14 02:45:12,369 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-14 02:45:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_freq [2024-11-14 02:45:12,369 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_freq [2024-11-14 02:45:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inw [2024-11-14 02:45:12,369 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inw [2024-11-14 02:45:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure set_auto_pwm [2024-11-14 02:45:12,369 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auto_pwm [2024-11-14 02:45:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 02:45:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2024-11-14 02:45:12,370 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2024-11-14 02:45:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2024-11-14 02:45:12,370 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2024-11-14 02:45:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2024-11-14 02:45:12,370 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2024-11-14 02:45:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 02:45:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-14 02:45:12,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-14 02:45:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure show_beep [2024-11-14 02:45:12,371 INFO L138 BoogieDeclarations]: Found implementation of procedure show_beep [2024-11-14 02:45:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2024-11-14 02:45:12,371 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2024-11-14 02:45:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 02:45:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 02:45:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure show_auto_pwm [2024-11-14 02:45:12,371 INFO L138 BoogieDeclarations]: Found implementation of procedure show_auto_pwm [2024-11-14 02:45:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-14 02:45:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-14 02:45:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure it87_probe [2024-11-14 02:45:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_probe [2024-11-14 02:45:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-14 02:45:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-14 02:45:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm [2024-11-14 02:45:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm [2024-11-14 02:45:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_enable [2024-11-14 02:45:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_enable [2024-11-14 02:45:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_type [2024-11-14 02:45:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_type [2024-11-14 02:45:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-14 02:45:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-14 02:45:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_it87_data [2024-11-14 02:45:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_it87_data [2024-11-14 02:45:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2024-11-14 02:45:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2024-11-14 02:45:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2024-11-14 02:45:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2024-11-14 02:45:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-14 02:45:12,373 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-14 02:45:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 02:45:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-14 02:45:12,373 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-14 02:45:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2024-11-14 02:45:12,373 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2024-11-14 02:45:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure set_pwm_temp_map [2024-11-14 02:45:12,373 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pwm_temp_map [2024-11-14 02:45:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 02:45:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure set_auto_temp [2024-11-14 02:45:12,374 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auto_temp [2024-11-14 02:45:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_temp_map [2024-11-14 02:45:12,374 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_temp_map [2024-11-14 02:45:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2024-11-14 02:45:12,374 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2024-11-14 02:45:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure it87_write_value [2024-11-14 02:45:12,374 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_write_value [2024-11-14 02:45:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2024-11-14 02:45:12,374 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2024-11-14 02:45:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 02:45:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-14 02:45:12,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-14 02:45:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp [2024-11-14 02:45:12,375 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp [2024-11-14 02:45:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-14 02:45:12,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-14 02:45:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-14 02:45:12,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-14 02:45:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp_type [2024-11-14 02:45:12,375 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp_type [2024-11-14 02:45:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 02:45:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-14 02:45:12,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-14 02:45:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_file [2024-11-14 02:45:12,376 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_file [2024-11-14 02:45:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:45:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 02:45:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure it87_read_value [2024-11-14 02:45:12,376 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_read_value [2024-11-14 02:45:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure pwm_to_reg [2024-11-14 02:45:12,377 INFO L138 BoogieDeclarations]: Found implementation of procedure pwm_to_reg [2024-11-14 02:45:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_it87_data [2024-11-14 02:45:12,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_it87_data [2024-11-14 02:45:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure show_label [2024-11-14 02:45:12,377 INFO L138 BoogieDeclarations]: Found implementation of procedure show_label [2024-11-14 02:45:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure set_beep [2024-11-14 02:45:12,377 INFO L138 BoogieDeclarations]: Found implementation of procedure set_beep [2024-11-14 02:45:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure set_pwm [2024-11-14 02:45:12,377 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pwm [2024-11-14 02:45:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2024-11-14 02:45:12,377 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2024-11-14 02:45:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-11-14 02:45:12,378 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-11-14 02:45:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp [2024-11-14 02:45:12,378 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp [2024-11-14 02:45:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure it87_remove [2024-11-14 02:45:12,378 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_remove [2024-11-14 02:45:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2024-11-14 02:45:12,378 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2024-11-14 02:45:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure it87_update_device [2024-11-14 02:45:12,378 INFO L138 BoogieDeclarations]: Found implementation of procedure it87_update_device [2024-11-14 02:45:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure show_auto_temp [2024-11-14 02:45:12,379 INFO L138 BoogieDeclarations]: Found implementation of procedure show_auto_temp [2024-11-14 02:45:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-14 02:45:12,379 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-14 02:45:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure pwm_from_reg [2024-11-14 02:45:12,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pwm_from_reg [2024-11-14 02:45:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan [2024-11-14 02:45:12,379 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan [2024-11-14 02:45:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:45:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:45:12,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:45:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-14 02:45:12,379 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-14 02:45:14,244 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:45:14,247 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:45:14,657 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-14 02:46:22,519 INFO L? ?]: Removed 3920 outVars from TransFormulas that were not future-live. [2024-11-14 02:46:22,520 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:46:30,954 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:46:30,954 INFO L316 CfgBuilder]: Removed 21 assume(true) statements. [2024-11-14 02:46:30,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:46:30 BoogieIcfgContainer [2024-11-14 02:46:30,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:46:30,957 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:46:30,957 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:46:30,963 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:46:30,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:45:06" (1/3) ... [2024-11-14 02:46:30,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7330f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:46:30, skipping insertion in model container [2024-11-14 02:46:30,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:11" (2/3) ... [2024-11-14 02:46:30,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7330f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:46:30, skipping insertion in model container [2024-11-14 02:46:30,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:46:30" (3/3) ... [2024-11-14 02:46:30,965 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i [2024-11-14 02:46:30,983 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:46:30,986 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--it87.ko-entry_point.cil.out.i that has 74 procedures, 3793 locations, 1 initial locations, 22 loop locations, and 1 error locations. [2024-11-14 02:46:31,144 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:46:31,156 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;@1022cd97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:46:31,156 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:46:31,178 INFO L276 IsEmpty]: Start isEmpty. Operand has 3792 states, 2449 states have (on average 1.4430379746835442) internal successors, (3534), 2604 states have internal predecessors, (3534), 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) [2024-11-14 02:46:31,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4746 [2024-11-14 02:46:31,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:46:31,483 INFO L215 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:46:31,483 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:46:31,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:46:31,490 INFO L85 PathProgramCache]: Analyzing trace with hash 885047795, now seen corresponding path program 1 times [2024-11-14 02:46:31,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:46:31,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19897208] [2024-11-14 02:46:31,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:46:31,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:56:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:56:50,434 INFO L134 CoverageAnalysis]: Checked inductivity of 575460 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 575460 trivial. 0 not checked. [2024-11-14 02:56:50,436 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:56:50,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19897208] [2024-11-14 02:56:50,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19897208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:56:50,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:56:50,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 02:56:50,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975773513] [2024-11-14 02:56:50,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:56:50,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:56:50,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:56:50,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:56:50,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:56:50,501 INFO L87 Difference]: Start difference. First operand has 3792 states, 2449 states have (on average 1.4430379746835442) internal successors, (3534), 2604 states have internal predecessors, (3534), 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) Second operand has 3 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 2 states have call successors, (422), 2 states have call predecessors, (422), 1 states have return successors, (418), 2 states have call predecessors, (418), 2 states have call successors, (418) [2024-11-14 02:56:53,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:56:56,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:57:02,593 WARN L539 Checker$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 02:57:04,598 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 02:57:07,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:57:07,963 INFO L93 Difference]: Finished difference Result 9693 states and 15777 transitions. [2024-11-14 02:57:07,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:57:07,967 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 2 states have call successors, (422), 2 states have call predecessors, (422), 1 states have return successors, (418), 2 states have call predecessors, (418), 2 states have call successors, (418) Word has length 4745 [2024-11-14 02:57:07,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:57:08,076 INFO L225 Difference]: With dead ends: 9693 [2024-11-14 02:57:08,076 INFO L226 Difference]: Without dead ends: 6447 [2024-11-14 02:57:08,118 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 02:57:08,123 INFO L432 NwaCegarLoop]: 5624 mSDtfsCounter, 5894 mSDsluCounter, 4373 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5894 SdHoareTripleChecker+Valid, 9997 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2024-11-14 02:57:08,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5894 Valid, 9997 Invalid, 606 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 600 Invalid, 4 Unknown, 0 Unchecked, 16.7s Time] [2024-11-14 02:57:08,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6447 states. [2024-11-14 02:57:09,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6447 to 6432. [2024-11-14 02:57:09,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6432 states, 4459 states have (on average 1.4207221350078494) internal successors, (6335), 4480 states have internal predecessors, (6335), 1831 states have call successors, (1831), 142 states have call predecessors, (1831), 141 states have return successors, (1825), 1823 states have call predecessors, (1825), 1825 states have call successors, (1825) [2024-11-14 02:57:09,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6432 states to 6432 states and 9991 transitions. [2024-11-14 02:57:09,180 INFO L78 Accepts]: Start accepts. Automaton has 6432 states and 9991 transitions. Word has length 4745 [2024-11-14 02:57:09,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:57:09,192 INFO L471 AbstractCegarLoop]: Abstraction has 6432 states and 9991 transitions. [2024-11-14 02:57:09,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 2 states have call successors, (422), 2 states have call predecessors, (422), 1 states have return successors, (418), 2 states have call predecessors, (418), 2 states have call successors, (418) [2024-11-14 02:57:09,194 INFO L276 IsEmpty]: Start isEmpty. Operand 6432 states and 9991 transitions. [2024-11-14 02:57:09,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4746 [2024-11-14 02:57:09,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:57:09,769 INFO L215 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:57:09,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 02:57:09,771 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:57:09,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:57:09,773 INFO L85 PathProgramCache]: Analyzing trace with hash 350278925, now seen corresponding path program 1 times [2024-11-14 02:57:09,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:57:09,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838478690] [2024-11-14 02:57:09,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:57:09,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms