./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version bfd0d9ac Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4083bfcd7db6f77d1df429f19c85907b2c08abb35764175570b1e2ec14e31561 .......................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4083bfcd7db6f77d1df429f19c85907b2c08abb35764175570b1e2ec14e31561 ........................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-bfd0d9a [2021-11-01 12:50:22,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-01 12:50:22,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-01 12:50:22,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-01 12:50:22,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-01 12:50:22,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-01 12:50:22,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-01 12:50:22,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-01 12:50:22,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-01 12:50:22,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-01 12:50:22,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-01 12:50:22,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-01 12:50:22,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-01 12:50:22,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-01 12:50:22,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-01 12:50:22,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-01 12:50:22,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-01 12:50:22,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-01 12:50:22,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-01 12:50:22,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-01 12:50:22,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-01 12:50:22,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-01 12:50:22,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-01 12:50:22,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-01 12:50:22,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-01 12:50:22,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-01 12:50:22,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-01 12:50:22,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-01 12:50:22,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-01 12:50:22,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-01 12:50:22,500 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-01 12:50:22,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-01 12:50:22,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-01 12:50:22,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-01 12:50:22,503 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-01 12:50:22,503 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-01 12:50:22,504 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-01 12:50:22,504 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-01 12:50:22,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-01 12:50:22,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-01 12:50:22,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-01 12:50:22,507 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-01 12:50:22,526 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-01 12:50:22,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-01 12:50:22,527 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-01 12:50:22,527 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-01 12:50:22,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-01 12:50:22,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-01 12:50:22,529 INFO L138 SettingsManager]: * Use SBE=true [2021-11-01 12:50:22,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-01 12:50:22,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-01 12:50:22,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-01 12:50:22,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-01 12:50:22,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-01 12:50:22,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-01 12:50:22,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-01 12:50:22,531 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-01 12:50:22,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-01 12:50:22,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-01 12:50:22,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-01 12:50:22,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-01 12:50:22,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-01 12:50:22,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-01 12:50:22,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-01 12:50:22,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-01 12:50:22,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-01 12:50:22,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-01 12:50:22,534 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-01 12:50:22,534 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-01 12:50:22,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-01 12:50:22,534 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-01 12:50:22,535 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4083bfcd7db6f77d1df429f19c85907b2c08abb35764175570b1e2ec14e31561 [2021-11-01 12:50:22,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-01 12:50:22,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-01 12:50:22,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-01 12:50:22,758 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-01 12:50:22,760 INFO L275 PluginConnector]: CDTParser initialized [2021-11-01 12:50:22,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a-1.i [2021-11-01 12:50:22,823 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8a60e75d/a64e1ad5142e470283b135d5845f1267/FLAG04f4831c8 [2021-11-01 12:50:23,291 INFO L306 CDTParser]: Found 1 translation units. [2021-11-01 12:50:23,291 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a-1.i [2021-11-01 12:50:23,306 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8a60e75d/a64e1ad5142e470283b135d5845f1267/FLAG04f4831c8 [2021-11-01 12:50:23,322 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8a60e75d/a64e1ad5142e470283b135d5845f1267 [2021-11-01 12:50:23,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-01 12:50:23,327 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-01 12:50:23,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-01 12:50:23,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-01 12:50:23,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-01 12:50:23,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 12:50:23" (1/1) ... [2021-11-01 12:50:23,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aae518d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:50:23, skipping insertion in model container [2021-11-01 12:50:23,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 12:50:23" (1/1) ... [2021-11-01 12:50:23,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-01 12:50:23,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-01 12:50:23,726 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a-1.i[36117,36130] [2021-11-01 12:50:23,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-01 12:50:23,748 INFO L203 MainTranslator]: Completed pre-run [2021-11-01 12:50:23,831 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a-1.i[36117,36130] [2021-11-01 12:50:23,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-01 12:50:23,882 INFO L208 MainTranslator]: Completed translation [2021-11-01 12:50:23,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:50:23 WrapperNode [2021-11-01 12:50:23,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-01 12:50:23,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-01 12:50:23,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-01 12:50:23,886 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-01 12:50:23,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:50:23" (1/1) ... [2021-11-01 12:50:23,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:50:23" (1/1) ... [2021-11-01 12:50:23,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-01 12:50:23,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-01 12:50:23,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-01 12:50:23,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-01 12:50:23,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:50:23" (1/1) ... [2021-11-01 12:50:23,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:50:23" (1/1) ... [2021-11-01 12:50:23,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:50:23" (1/1) ... [2021-11-01 12:50:23,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:50:23" (1/1) ... [2021-11-01 12:50:23,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:50:23" (1/1) ... [2021-11-01 12:50:23,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:50:23" (1/1) ... [2021-11-01 12:50:24,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:50:23" (1/1) ... [2021-11-01 12:50:24,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-01 12:50:24,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-01 12:50:24,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-01 12:50:24,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-01 12:50:24,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:50:23" (1/1) ... [2021-11-01 12:50:24,024 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-01 12:50:24,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-01 12:50:24,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-01 12:50:24,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-01 12:50:24,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-01 12:50:24,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-01 12:50:24,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-01 12:50:24,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-01 12:50:24,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-01 12:50:24,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-01 12:50:24,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-01 12:50:24,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-01 12:50:24,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-01 12:50:24,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-01 12:50:24,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-01 12:50:24,639 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-01 12:50:24,640 INFO L299 CfgBuilder]: Removed 134 assume(true) statements. [2021-11-01 12:50:24,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 12:50:24 BoogieIcfgContainer [2021-11-01 12:50:24,641 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-01 12:50:24,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-01 12:50:24,643 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-01 12:50:24,647 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-01 12:50:24,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 12:50:23" (1/3) ... [2021-11-01 12:50:24,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e93cda7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 12:50:24, skipping insertion in model container [2021-11-01 12:50:24,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:50:23" (2/3) ... [2021-11-01 12:50:24,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e93cda7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 12:50:24, skipping insertion in model container [2021-11-01 12:50:24,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 12:50:24" (3/3) ... [2021-11-01 12:50:24,650 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a-1.i [2021-11-01 12:50:24,654 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-01 12:50:24,654 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-01 12:50:24,687 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-01 12:50:24,692 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-01 12:50:24,692 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-01 12:50:24,705 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 111 states have (on average 1.3333333333333333) internal successors, (148), 113 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-01 12:50:24,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-01 12:50:24,729 INFO L506 BasicCegarLoop]: Found error trace [2021-11-01 12:50:24,730 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-01 12:50:24,730 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-01 12:50:24,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-01 12:50:24,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1316234598, now seen corresponding path program 1 times [2021-11-01 12:50:24,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-01 12:50:24,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632737135] [2021-11-01 12:50:24,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 12:50:24,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-01 12:50:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 12:50:25,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-01 12:50:25,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-01 12:50:25,244 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632737135] [2021-11-01 12:50:25,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632737135] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-01 12:50:25,245 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-01 12:50:25,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-01 12:50:25,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495326816] [2021-11-01 12:50:25,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-01 12:50:25,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-01 12:50:25,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-01 12:50:25,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-01 12:50:25,274 INFO L87 Difference]: Start difference. First operand has 114 states, 111 states have (on average 1.3333333333333333) internal successors, (148), 113 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-01 12:50:26,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-01 12:50:26,310 INFO L93 Difference]: Finished difference Result 435 states and 560 transitions. [2021-11-01 12:50:26,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-01 12:50:26,316 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-11-01 12:50:26,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-01 12:50:26,331 INFO L225 Difference]: With dead ends: 435 [2021-11-01 12:50:26,332 INFO L226 Difference]: Without dead ends: 297 [2021-11-01 12:50:26,336 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 112.01ms TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-11-01 12:50:26,340 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 674 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 673.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.18ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 834.43ms IncrementalHoareTripleChecker+Time [2021-11-01 12:50:26,342 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [674 Valid, 0 Invalid, 1076 Unknown, 0 Unchecked, 14.18ms Time], IncrementalHoareTripleChecker [3 Valid, 1073 Invalid, 0 Unknown, 0 Unchecked, 834.43ms Time] [2021-11-01 12:50:26,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2021-11-01 12:50:26,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 114. [2021-11-01 12:50:26,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 112 states have (on average 1.25) internal successors, (140), 113 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-01 12:50:26,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 140 transitions. [2021-11-01 12:50:26,395 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 140 transitions. Word has length 43 [2021-11-01 12:50:26,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-01 12:50:26,396 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 140 transitions. [2021-11-01 12:50:26,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-01 12:50:26,397 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 140 transitions. [2021-11-01 12:50:26,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-01 12:50:26,398 INFO L506 BasicCegarLoop]: Found error trace [2021-11-01 12:50:26,399 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-01 12:50:26,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-01 12:50:26,399 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-01 12:50:26,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-01 12:50:26,402 INFO L85 PathProgramCache]: Analyzing trace with hash -380977633, now seen corresponding path program 1 times [2021-11-01 12:50:26,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-01 12:50:26,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358121037] [2021-11-01 12:50:26,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 12:50:26,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-01 12:50:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-01 12:50:26,600 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-01 12:50:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-01 12:50:26,824 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-01 12:50:26,825 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-01 12:50:26,828 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-01 12:50:26,830 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-11-01 12:50:26,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-01 12:50:26,835 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-01 12:50:26,837 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-01 12:50:26,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.11 12:50:26 BoogieIcfgContainer [2021-11-01 12:50:26,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-01 12:50:26,961 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-01 12:50:26,961 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-01 12:50:26,962 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-01 12:50:26,962 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 12:50:24" (3/4) ... [2021-11-01 12:50:26,964 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-01 12:50:26,964 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-01 12:50:26,965 INFO L158 Benchmark]: Toolchain (without parser) took 3638.45ms. Allocated memory was 86.0MB in the beginning and 130.0MB in the end (delta: 44.0MB). Free memory was 48.9MB in the beginning and 65.2MB in the end (delta: -16.3MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2021-11-01 12:50:26,966 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 86.0MB. Free memory was 57.1MB in the beginning and 57.1MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-01 12:50:26,969 INFO L158 Benchmark]: CACSL2BoogieTranslator took 555.01ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 48.7MB in the beginning and 63.1MB in the end (delta: -14.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-01 12:50:26,970 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.64ms. Allocated memory is still 107.0MB. Free memory was 63.1MB in the beginning and 58.4MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-01 12:50:26,972 INFO L158 Benchmark]: Boogie Preprocessor took 40.71ms. Allocated memory is still 107.0MB. Free memory was 58.4MB in the beginning and 54.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-01 12:50:26,972 INFO L158 Benchmark]: RCFGBuilder took 633.91ms. Allocated memory is still 107.0MB. Free memory was 54.2MB in the beginning and 58.2MB in the end (delta: -3.9MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2021-11-01 12:50:26,973 INFO L158 Benchmark]: TraceAbstraction took 2317.37ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 57.5MB in the beginning and 65.2MB in the end (delta: -7.7MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2021-11-01 12:50:26,973 INFO L158 Benchmark]: Witness Printer took 3.55ms. Allocated memory is still 130.0MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-01 12:50:26,978 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 86.0MB. Free memory was 57.1MB in the beginning and 57.1MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 555.01ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 48.7MB in the beginning and 63.1MB in the end (delta: -14.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.64ms. Allocated memory is still 107.0MB. Free memory was 63.1MB in the beginning and 58.4MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.71ms. Allocated memory is still 107.0MB. Free memory was 58.4MB in the beginning and 54.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 633.91ms. Allocated memory is still 107.0MB. Free memory was 54.2MB in the beginning and 58.2MB in the end (delta: -3.9MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2317.37ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 57.5MB in the beginning and 65.2MB in the end (delta: -7.7MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. * Witness Printer took 3.55ms. Allocated memory is still 130.0MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1272]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 1150, overapproximation of bitwiseOr at line 865. Possible FailurePath: [L1150-L1152] static struct platform_driver s3c_hwmon_driver = {& s3c_hwmon_probe, & s3c_hwmon_remove, 0, 0, 0, {"s3c-hwmon", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}; [L1174] int LDV_IN_INTERRUPT ; [L1317] int ldv_count_1 = 0; [L1318] int ldv_count_2 = 0; [L1326] int ldv_call_dev_attr_of_sensor_device_attribute = 0; VAL [__this_module={4294967302:4294967301}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=0, s3c_hwmon_driver={38:0}] [L1177] struct platform_device *var_group1 ; [L1178] int res_s3c_hwmon_probe_10 ; [L1179] int ldv_s_s3c_hwmon_driver_platform_driver ; [L1180] int tmp ; [L1181] int tmp___0 ; [L1182] int tmp___1 ; [L1184] ldv_s_s3c_hwmon_driver_platform_driver = 0 [L1185] LDV_IN_INTERRUPT = 1 VAL [__this_module={4294967302:4294967301}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={38:0}] [L1155] int tmp ; [L1399] return __VERIFIER_nondet_int(); [L1157] tmp = platform_driver_register(& s3c_hwmon_driver) [L1158] return (tmp); VAL [__this_module={4294967302:4294967301}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={38:0}] [L1188] tmp = s3c_hwmon_init() [L1189] COND FALSE !(tmp != 0) VAL [__this_module={4294967302:4294967301}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={38:0}] [L1223] tmp___1 = __VERIFIER_nondet_int() [L1224] COND TRUE tmp___1 != 0 || ldv_s_s3c_hwmon_driver_platform_driver != 0 VAL [__this_module={4294967302:4294967301}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={38:0}] [L1195] tmp___0 = __VERIFIER_nondet_int() [L1197] case 0: VAL [__this_module={4294967302:4294967301}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={38:0}] [L1198] COND TRUE ldv_s_s3c_hwmon_driver_platform_driver == 0 [L1020] struct s3c_hwmon_pdata *pdata ; [L1021] struct s3c_hwmon *hwmon ; [L1022] int ret ; [L1023] int i ; [L1024] void *tmp ; [L1025] struct lock_class_key __key ; [L1026] long tmp___0 ; [L1027] long tmp___1 ; [L1028] long tmp___2 ; [L1029] long tmp___3 ; [L1030] struct s3c_hwmon_chcfg *cfg ; [L1032] EXPR dev->dev.platform_data [L1032] pdata = (struct s3c_hwmon_pdata *)dev->dev.platform_data [L1033] ret = 0 VAL [__this_module={4294967302:4294967301}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={38:0}] [L1034] COND FALSE !((unsigned long )pdata == (unsigned long )((struct s3c_hwmon_pdata *)0)) [L863] void *tmp ; [L854] void *tmp___2 ; [L839] COND TRUE __VERIFIER_nondet_int() [L840] void *res = malloc(size); [L1284] return ((unsigned long )ptr > 2012UL); VAL [__this_module={4294967302:4294967301}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={38:0}] [L833] COND FALSE !(!cond) VAL [__this_module={4294967302:4294967301}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={38:0}] [L842] return res; VAL [__this_module={4294967302:4294967301}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={38:0}] [L849] return ldv_malloc(size); [L856] tmp___2 = __kmalloc(size, flags) [L857] return (tmp___2); VAL [__this_module={4294967302:4294967301}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={38:0}] [L865] tmp = kmalloc(size, flags | 32768U) [L866] return (tmp); VAL [__this_module={4294967302:4294967301}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={38:0}] [L1039] tmp = kzalloc(800U, 208U) [L1040] hwmon = (struct s3c_hwmon *)tmp VAL [__this_module={4294967302:4294967301}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={38:0}] [L1041] COND FALSE !((unsigned long )hwmon == (unsigned long )((struct s3c_hwmon *)0)) [L839] COND FALSE !(__VERIFIER_nondet_int()) [L844] return ((void *)0); VAL [__this_module={4294967302:4294967301}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={38:0}] [L1409] return ldv_malloc(0UL); [L1048] hwmon->client = s3c_adc_register(dev, 0, 0, 0U) [L1049] EXPR hwmon->client [L1246] long tmp ; [L1284] return ((unsigned long )ptr > 2012UL); VAL [__this_module={4294967302:4294967301}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={38:0}] [L1248] tmp = ldv_is_err(ptr) [L1249] return (tmp); VAL [__this_module={4294967302:4294967301}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={38:0}] [L1049] tmp___1 = IS_ERR((void const *)hwmon->client) [L1050] COND FALSE !(tmp___1 != 0L) [L915] return (0); VAL [__this_module={4294967302:4294967301}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={38:0}] [L1057] ret = s3c_hwmon_add_raw(& dev->dev) [L1058] COND FALSE !(ret != 0) [L839] COND FALSE !(__VERIFIER_nondet_int()) [L844] return ((void *)0); VAL [__this_module={4294967302:4294967301}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={38:0}] [L1373] return ldv_malloc(sizeof(struct device)); [L1062] hwmon->hwmon_dev = hwmon_device_register(& dev->dev) [L1063] EXPR hwmon->hwmon_dev [L1246] long tmp ; [L1284] return ((unsigned long )ptr > 2012UL); VAL [__this_module={4294967302:4294967301}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={38:0}] [L1248] tmp = ldv_is_err(ptr) [L1249] return (tmp); VAL [__this_module={4294967302:4294967301}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={38:0}] [L1063] tmp___3 = IS_ERR((void const *)hwmon->hwmon_dev) [L1064] COND FALSE !(tmp___3 != 0L) [L1071] i = 0 VAL [__this_module={4294967302:4294967301}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={38:0}] [L1110] COND TRUE (unsigned int )i <= 7U VAL [__this_module={4294967302:4294967301}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={38:0}] [L1074] EXPR pdata->in[i] [L1074] cfg = pdata->in[i] [L1075] COND FALSE !((unsigned long )cfg == (unsigned long )((struct s3c_hwmon_chcfg *)0)) [L1079] EXPR cfg->mult VAL [__this_module={4294967302:4294967301}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={38:0}] [L1079] COND TRUE cfg->mult > 65535U [L1084] EXPR cfg->div VAL [__this_module={4294967302:4294967301}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={38:0}] [L1084] COND FALSE !(cfg->div == 0U) [L1089] pdata->in[i] [L977] struct sensor_device_attribute *attr ; [L978] int ret ; [L981] attr = & attrs->in [L982] attr->index = channel [L983] attr->dev_attr.attr.name = (char const *)(& attrs->in_name) [L984] attr->dev_attr.attr.mode = 292U [L985] attr->dev_attr.show = & s3c_hwmon_ch_show [L1254] int tmp ; [L1330] COND TRUE ldv_call_dev_attr_of_sensor_device_attribute == 0 [L1331] ldv_count_2 = ldv_count_2 + 1 [L1332] ldv_call_dev_attr_of_sensor_device_attribute = 1 VAL [__this_module={4294967302:4294967301}, ldv_call_dev_attr_of_sensor_device_attribute=1, ldv_count_1=0, ldv_count_2=1, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={38:0}] [L1333] COND FALSE !(ldv_count_1 >= ldv_count_2) VAL [__this_module={4294967302:4294967301}, ldv_call_dev_attr_of_sensor_device_attribute=1, ldv_count_1=0, ldv_count_2=1, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={38:0}] [L1272] reach_error() VAL [__this_module={4294967302:4294967301}, ldv_call_dev_attr_of_sensor_device_attribute=1, ldv_count_1=0, ldv_count_2=1, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={38:0}] - UnprovableResult [Line: 1272]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2150.43ms, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 29.65ms, AutomataDifference: 1092.32ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 8.84ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 674 SdHoareTripleChecker+Valid, 834.43ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 674 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 673.51ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 826 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1073 IncrementalHoareTripleChecker+Invalid, 1076 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 0 mSDtfsCounter, 1073 mSolverCounterSat, 14.18ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 112.01ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 41.49ms AutomataMinimizationTime, 1 MinimizatonAttempts, 183 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 18.43ms SsaConstructionTime, 359.28ms SatisfiabilityAnalysisTime, 245.85ms InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-01 12:50:27,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.seqcomp-bfd0d9a [2021-11-01 12:50:28,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-01 12:50:28,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-01 12:50:28,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-01 12:50:28,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-01 12:50:28,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-01 12:50:28,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-01 12:50:28,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-01 12:50:28,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-01 12:50:28,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-01 12:50:28,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-01 12:50:28,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-01 12:50:28,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-01 12:50:28,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-01 12:50:28,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-01 12:50:28,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-01 12:50:28,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-01 12:50:28,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-01 12:50:28,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-01 12:50:28,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-01 12:50:28,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-01 12:50:28,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-01 12:50:28,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-01 12:50:28,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-01 12:50:28,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-01 12:50:28,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-01 12:50:28,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-01 12:50:28,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-01 12:50:28,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-01 12:50:28,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-01 12:50:28,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-01 12:50:28,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-01 12:50:28,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-01 12:50:28,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-01 12:50:28,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-01 12:50:28,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-01 12:50:28,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-01 12:50:28,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-01 12:50:28,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-01 12:50:28,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-01 12:50:28,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-01 12:50:28,974 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-01 12:50:29,005 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-01 12:50:29,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-01 12:50:29,006 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-01 12:50:29,006 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-01 12:50:29,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-01 12:50:29,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-01 12:50:29,008 INFO L138 SettingsManager]: * Use SBE=true [2021-11-01 12:50:29,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-01 12:50:29,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-01 12:50:29,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-01 12:50:29,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-01 12:50:29,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-01 12:50:29,010 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-01 12:50:29,010 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-01 12:50:29,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-01 12:50:29,010 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-01 12:50:29,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-01 12:50:29,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-01 12:50:29,011 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-01 12:50:29,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-01 12:50:29,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-01 12:50:29,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-01 12:50:29,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-01 12:50:29,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-01 12:50:29,012 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-01 12:50:29,012 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-01 12:50:29,012 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-01 12:50:29,013 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-01 12:50:29,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-01 12:50:29,013 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-01 12:50:29,013 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-01 12:50:29,013 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4083bfcd7db6f77d1df429f19c85907b2c08abb35764175570b1e2ec14e31561 [2021-11-01 12:50:29,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-01 12:50:29,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-01 12:50:29,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-01 12:50:29,332 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-01 12:50:29,332 INFO L275 PluginConnector]: CDTParser initialized [2021-11-01 12:50:29,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a-1.i [2021-11-01 12:50:29,393 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fb35dcea/79afb49b54554fa39c054ab7be2668ee/FLAG412ad9434 [2021-11-01 12:50:29,935 INFO L306 CDTParser]: Found 1 translation units. [2021-11-01 12:50:29,936 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a-1.i [2021-11-01 12:50:29,949 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fb35dcea/79afb49b54554fa39c054ab7be2668ee/FLAG412ad9434 [2021-11-01 12:50:30,399 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fb35dcea/79afb49b54554fa39c054ab7be2668ee [2021-11-01 12:50:30,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-01 12:50:30,402 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-01 12:50:30,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-01 12:50:30,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-01 12:50:30,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-01 12:50:30,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 12:50:30" (1/1) ... [2021-11-01 12:50:30,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c98621d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:50:30, skipping insertion in model container [2021-11-01 12:50:30,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 12:50:30" (1/1) ... [2021-11-01 12:50:30,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-01 12:50:30,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-01 12:50:30,805 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a-1.i[36117,36130] [2021-11-01 12:50:30,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-01 12:50:30,851 INFO L203 MainTranslator]: Completed pre-run [2021-11-01 12:50:30,959 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a-1.i[36117,36130] [2021-11-01 12:50:30,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-01 12:50:30,998 INFO L208 MainTranslator]: Completed translation [2021-11-01 12:50:31,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:50:31 WrapperNode [2021-11-01 12:50:31,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-01 12:50:31,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-01 12:50:31,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-01 12:50:31,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-01 12:50:31,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:50:31" (1/1) ... [2021-11-01 12:50:31,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:50:31" (1/1) ... [2021-11-01 12:50:31,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-01 12:50:31,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-01 12:50:31,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-01 12:50:31,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-01 12:50:31,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:50:31" (1/1) ... [2021-11-01 12:50:31,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:50:31" (1/1) ... [2021-11-01 12:50:31,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:50:31" (1/1) ... [2021-11-01 12:50:31,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:50:31" (1/1) ... [2021-11-01 12:50:31,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:50:31" (1/1) ... [2021-11-01 12:50:31,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:50:31" (1/1) ... [2021-11-01 12:50:31,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:50:31" (1/1) ... [2021-11-01 12:50:31,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-01 12:50:31,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-01 12:50:31,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-01 12:50:31,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-01 12:50:31,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:50:31" (1/1) ... [2021-11-01 12:50:31,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-01 12:50:31,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-01 12:50:31,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-01 12:50:31,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-01 12:50:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-01 12:50:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-01 12:50:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-01 12:50:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-01 12:50:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-01 12:50:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-01 12:50:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-01 12:50:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-01 12:50:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-01 12:50:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-01 12:50:31,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-01 12:50:31,927 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-01 12:50:31,928 INFO L299 CfgBuilder]: Removed 134 assume(true) statements. [2021-11-01 12:50:31,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 12:50:31 BoogieIcfgContainer [2021-11-01 12:50:31,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-01 12:50:31,931 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-01 12:50:31,931 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-01 12:50:31,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-01 12:50:31,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 12:50:30" (1/3) ... [2021-11-01 12:50:31,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5450fa28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 12:50:31, skipping insertion in model container [2021-11-01 12:50:31,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:50:31" (2/3) ... [2021-11-01 12:50:31,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5450fa28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 12:50:31, skipping insertion in model container [2021-11-01 12:50:31,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 12:50:31" (3/3) ... [2021-11-01 12:50:31,936 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a-1.i [2021-11-01 12:50:31,940 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-01 12:50:31,940 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-01 12:50:31,992 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-01 12:50:32,000 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-01 12:50:32,000 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-01 12:50:32,025 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 111 states have (on average 1.3333333333333333) internal successors, (148), 113 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-01 12:50:32,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-01 12:50:32,032 INFO L506 BasicCegarLoop]: Found error trace [2021-11-01 12:50:32,032 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-01 12:50:32,033 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-01 12:50:32,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-01 12:50:32,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1316234598, now seen corresponding path program 1 times [2021-11-01 12:50:32,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-01 12:50:32,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1369594213] [2021-11-01 12:50:32,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 12:50:32,050 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-01 12:50:32,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-01 12:50:32,053 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-01 12:50:32,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-01 12:50:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-01 12:50:32,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-01 12:50:32,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-01 12:50:32,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-01 12:50:32,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-01 12:50:32,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-01 12:50:32,897 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-01 12:50:32,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1369594213] [2021-11-01 12:50:32,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1369594213] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-01 12:50:32,898 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-01 12:50:32,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-01 12:50:32,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070940593] [2021-11-01 12:50:32,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-01 12:50:32,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-01 12:50:32,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-01 12:50:32,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-01 12:50:32,939 INFO L87 Difference]: Start difference. First operand has 114 states, 111 states have (on average 1.3333333333333333) internal successors, (148), 113 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-01 12:50:41,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-01 12:50:41,917 INFO L93 Difference]: Finished difference Result 494 states and 634 transitions. [2021-11-01 12:50:41,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-01 12:50:41,920 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-11-01 12:50:41,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-01 12:50:41,931 INFO L225 Difference]: With dead ends: 494 [2021-11-01 12:50:41,931 INFO L226 Difference]: Without dead ends: 346 [2021-11-01 12:50:41,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 335.03ms TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2021-11-01 12:50:41,938 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 1071 mSDsluCounter, 1527 mSDsCounter, 0 mSdLazyCounter, 1796 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8079.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.52ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8686.90ms IncrementalHoareTripleChecker+Time [2021-11-01 12:50:41,940 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1071 Valid, 0 Invalid, 1803 Unknown, 0 Unchecked, 13.52ms Time], IncrementalHoareTripleChecker [7 Valid, 1796 Invalid, 0 Unknown, 0 Unchecked, 8686.90ms Time] [2021-11-01 12:50:41,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-11-01 12:50:41,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 114. [2021-11-01 12:50:41,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 112 states have (on average 1.25) internal successors, (140), 113 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-01 12:50:41,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 140 transitions. [2021-11-01 12:50:41,981 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 140 transitions. Word has length 43 [2021-11-01 12:50:41,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-01 12:50:41,981 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 140 transitions. [2021-11-01 12:50:41,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-01 12:50:41,982 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 140 transitions. [2021-11-01 12:50:41,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-01 12:50:41,985 INFO L506 BasicCegarLoop]: Found error trace [2021-11-01 12:50:41,985 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-01 12:50:42,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-01 12:50:42,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-01 12:50:42,199 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-01 12:50:42,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-01 12:50:42,200 INFO L85 PathProgramCache]: Analyzing trace with hash -380977633, now seen corresponding path program 1 times [2021-11-01 12:50:42,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-01 12:50:42,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1560950661] [2021-11-01 12:50:42,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-01 12:50:42,201 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-01 12:50:42,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-01 12:50:42,203 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-01 12:50:42,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-01 12:50:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-01 12:50:44,152 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-01 12:50:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-01 12:50:46,421 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-01 12:50:46,422 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-01 12:50:46,423 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-01 12:50:46,424 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-11-01 12:50:46,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-01 12:50:46,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-01 12:50:46,630 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-01 12:50:46,632 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-01 12:50:46,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.11 12:50:46 BoogieIcfgContainer [2021-11-01 12:50:46,759 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-01 12:50:46,760 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-01 12:50:46,760 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-01 12:50:46,760 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-01 12:50:46,761 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 12:50:31" (3/4) ... [2021-11-01 12:50:46,763 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-01 12:50:46,763 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-01 12:50:46,765 INFO L158 Benchmark]: Toolchain (without parser) took 16361.91ms. Allocated memory was 60.8MB in the beginning and 111.1MB in the end (delta: 50.3MB). Free memory was 37.4MB in the beginning and 49.5MB in the end (delta: -12.1MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2021-11-01 12:50:46,765 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 60.8MB. Free memory was 41.7MB in the beginning and 41.7MB in the end (delta: 40.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-01 12:50:46,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 597.64ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 37.2MB in the beginning and 52.4MB in the end (delta: -15.2MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2021-11-01 12:50:46,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.59ms. Allocated memory is still 75.5MB. Free memory was 52.2MB in the beginning and 47.8MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-01 12:50:46,766 INFO L158 Benchmark]: Boogie Preprocessor took 87.26ms. Allocated memory is still 75.5MB. Free memory was 47.6MB in the beginning and 43.6MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-01 12:50:46,767 INFO L158 Benchmark]: RCFGBuilder took 741.23ms. Allocated memory is still 75.5MB. Free memory was 43.6MB in the beginning and 35.2MB in the end (delta: 8.4MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2021-11-01 12:50:46,767 INFO L158 Benchmark]: TraceAbstraction took 14827.86ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 34.9MB in the beginning and 49.5MB in the end (delta: -14.6MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2021-11-01 12:50:46,767 INFO L158 Benchmark]: Witness Printer took 3.64ms. Allocated memory is still 111.1MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-01 12:50:46,769 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 60.8MB. Free memory was 41.7MB in the beginning and 41.7MB in the end (delta: 40.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 597.64ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 37.2MB in the beginning and 52.4MB in the end (delta: -15.2MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.59ms. Allocated memory is still 75.5MB. Free memory was 52.2MB in the beginning and 47.8MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.26ms. Allocated memory is still 75.5MB. Free memory was 47.6MB in the beginning and 43.6MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 741.23ms. Allocated memory is still 75.5MB. Free memory was 43.6MB in the beginning and 35.2MB in the end (delta: 8.4MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * TraceAbstraction took 14827.86ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 34.9MB in the beginning and 49.5MB in the end (delta: -14.6MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * Witness Printer took 3.64ms. Allocated memory is still 111.1MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1272]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 1150. Possible FailurePath: [L1150-L1152] static struct platform_driver s3c_hwmon_driver = {& s3c_hwmon_probe, & s3c_hwmon_remove, 0, 0, 0, {"s3c-hwmon", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}; [L1174] int LDV_IN_INTERRUPT ; [L1317] int ldv_count_1 = 0; [L1318] int ldv_count_2 = 0; [L1326] int ldv_call_dev_attr_of_sensor_device_attribute = 0; VAL [__this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=0, s3c_hwmon_driver={288239172244734482:0}] [L1177] struct platform_device *var_group1 ; [L1178] int res_s3c_hwmon_probe_10 ; [L1179] int ldv_s_s3c_hwmon_driver_platform_driver ; [L1180] int tmp ; [L1181] int tmp___0 ; [L1182] int tmp___1 ; [L1184] ldv_s_s3c_hwmon_driver_platform_driver = 0 [L1185] LDV_IN_INTERRUPT = 1 VAL [__this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={288239172244734482:0}] [L1155] int tmp ; [L1399] return __VERIFIER_nondet_int(); [L1157] tmp = platform_driver_register(& s3c_hwmon_driver) [L1158] return (tmp); VAL [__this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={288239172244734482:0}] [L1188] tmp = s3c_hwmon_init() [L1189] COND FALSE !(tmp != 0) VAL [__this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={288239172244734482:0}] [L1223] tmp___1 = __VERIFIER_nondet_int() [L1224] COND TRUE tmp___1 != 0 || ldv_s_s3c_hwmon_driver_platform_driver != 0 VAL [__this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={288239172244734482:0}] [L1195] tmp___0 = __VERIFIER_nondet_int() [L1197] case 0: VAL [__this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={288239172244734482:0}] [L1198] COND TRUE ldv_s_s3c_hwmon_driver_platform_driver == 0 [L1020] struct s3c_hwmon_pdata *pdata ; [L1021] struct s3c_hwmon *hwmon ; [L1022] int ret ; [L1023] int i ; [L1024] void *tmp ; [L1025] struct lock_class_key __key ; [L1026] long tmp___0 ; [L1027] long tmp___1 ; [L1028] long tmp___2 ; [L1029] long tmp___3 ; [L1030] struct s3c_hwmon_chcfg *cfg ; [L1032] EXPR dev->dev.platform_data [L1032] pdata = (struct s3c_hwmon_pdata *)dev->dev.platform_data [L1033] ret = 0 VAL [__this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={288239172244734482:0}] [L1034] COND FALSE !((unsigned long )pdata == (unsigned long )((struct s3c_hwmon_pdata *)0)) [L863] void *tmp ; [L854] void *tmp___2 ; [L839] COND TRUE __VERIFIER_nondet_int() [L840] void *res = malloc(size); [L1284] return ((unsigned long )ptr > 2012UL); VAL [__this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={288239172244734482:0}] [L833] COND FALSE !(!cond) VAL [__this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={288239172244734482:0}] [L842] return res; VAL [__this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={288239172244734482:0}] [L849] return ldv_malloc(size); [L856] tmp___2 = __kmalloc(size, flags) [L857] return (tmp___2); VAL [__this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={288239172244734482:0}] [L865] tmp = kmalloc(size, flags | 32768U) [L866] return (tmp); VAL [__this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={288239172244734482:0}] [L1039] tmp = kzalloc(800U, 208U) [L1040] hwmon = (struct s3c_hwmon *)tmp VAL [__this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={288239172244734482:0}] [L1041] COND FALSE !((unsigned long )hwmon == (unsigned long )((struct s3c_hwmon *)0)) [L839] COND FALSE !(__VERIFIER_nondet_int()) [L844] return ((void *)0); VAL [__this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={288239172244734482:0}] [L1409] return ldv_malloc(0UL); [L1048] hwmon->client = s3c_adc_register(dev, 0, 0, 0U) [L1049] EXPR hwmon->client [L1246] long tmp ; [L1284] return ((unsigned long )ptr > 2012UL); VAL [__this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={288239172244734482:0}] [L1248] tmp = ldv_is_err(ptr) [L1249] return (tmp); VAL [__this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={288239172244734482:0}] [L1049] tmp___1 = IS_ERR((void const *)hwmon->client) [L1050] COND FALSE !(tmp___1 != 0L) [L915] return (0); VAL [__this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={288239172244734482:0}] [L1057] ret = s3c_hwmon_add_raw(& dev->dev) [L1058] COND FALSE !(ret != 0) [L839] COND FALSE !(__VERIFIER_nondet_int()) [L844] return ((void *)0); VAL [__this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={288239172244734482:0}] [L1373] return ldv_malloc(sizeof(struct device)); [L1062] hwmon->hwmon_dev = hwmon_device_register(& dev->dev) [L1063] EXPR hwmon->hwmon_dev [L1246] long tmp ; [L1284] return ((unsigned long )ptr > 2012UL); VAL [__this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={288239172244734482:0}] [L1248] tmp = ldv_is_err(ptr) [L1249] return (tmp); VAL [__this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={288239172244734482:0}] [L1063] tmp___3 = IS_ERR((void const *)hwmon->hwmon_dev) [L1064] COND FALSE !(tmp___3 != 0L) [L1071] i = 0 VAL [__this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={288239172244734482:0}] [L1110] COND TRUE (unsigned int )i <= 7U VAL [__this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={288239172244734482:0}] [L1074] EXPR pdata->in[i] [L1074] cfg = pdata->in[i] [L1075] COND FALSE !((unsigned long )cfg == (unsigned long )((struct s3c_hwmon_chcfg *)0)) [L1079] EXPR cfg->mult VAL [__this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={288239172244734482:0}] [L1079] COND TRUE cfg->mult > 65535U [L1084] EXPR cfg->div VAL [__this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=0, ldv_count_1=0, ldv_count_2=0, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={288239172244734482:0}] [L1084] COND FALSE !(cfg->div == 0U) [L1089] pdata->in[i] [L977] struct sensor_device_attribute *attr ; [L978] int ret ; [L981] attr = & attrs->in [L982] attr->index = channel [L983] attr->dev_attr.attr.name = (char const *)(& attrs->in_name) [L984] attr->dev_attr.attr.mode = 292U [L985] attr->dev_attr.show = & s3c_hwmon_ch_show [L1254] int tmp ; [L1330] COND TRUE ldv_call_dev_attr_of_sensor_device_attribute == 0 [L1331] ldv_count_2 = ldv_count_2 + 1 [L1332] ldv_call_dev_attr_of_sensor_device_attribute = 1 VAL [__this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=1, ldv_count_1=0, ldv_count_2=1, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={288239172244734482:0}] [L1333] COND FALSE !(ldv_count_1 >= ldv_count_2) VAL [__this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=1, ldv_count_1=0, ldv_count_2=1, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={288239172244734482:0}] [L1272] reach_error() VAL [__this_module={0:0}, ldv_call_dev_attr_of_sensor_device_attribute=1, ldv_count_1=0, ldv_count_2=1, LDV_IN_INTERRUPT=1, s3c_hwmon_driver={288239172244734482:0}] - UnprovableResult [Line: 1272]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 14640.08ms, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 19.77ms, AutomataDifference: 9035.82ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 13.77ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1071 SdHoareTripleChecker+Valid, 8686.90ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1071 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 8079.90ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1527 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1796 IncrementalHoareTripleChecker+Invalid, 1803 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 0 mSDtfsCounter, 1796 mSolverCounterSat, 13.52ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 335.03ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 31.60ms AutomataMinimizationTime, 1 MinimizatonAttempts, 232 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 90.81ms SsaConstructionTime, 2053.68ms SatisfiabilityAnalysisTime, 493.17ms InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 134 SizeOfPredicates, 16 NumberOfNonLiveVariables, 361 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-01 12:50:46,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...