./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 173e3943 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 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 12:45:41,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 12:45:41,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 12:45:41,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 12:45:41,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 12:45:41,898 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 12:45:41,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 12:45:41,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 12:45:41,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 12:45:41,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 12:45:41,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 12:45:41,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 12:45:41,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 12:45:41,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 12:45:41,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 12:45:41,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 12:45:41,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 12:45:41,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 12:45:41,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 12:45:41,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 12:45:41,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 12:45:41,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 12:45:41,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 12:45:41,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 12:45:41,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 12:45:41,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 12:45:41,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 12:45:41,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 12:45:41,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 12:45:41,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 12:45:41,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 12:45:41,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 12:45:41,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 12:45:41,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 12:45:41,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 12:45:41,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 12:45:41,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 12:45:41,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 12:45:41,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 12:45:41,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 12:45:41,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 12:45:41,939 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-06 12:45:41,969 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 12:45:41,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 12:45:41,971 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 12:45:41,972 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 12:45:41,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 12:45:41,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 12:45:41,973 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 12:45:41,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 12:45:41,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 12:45:41,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 12:45:41,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 12:45:41,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 12:45:41,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 12:45:41,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 12:45:41,975 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 12:45:41,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 12:45:41,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 12:45:41,975 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 12:45:41,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 12:45:41,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 12:45:41,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 12:45:41,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 12:45:41,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 12:45:41,976 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 12:45:41,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 12:45:41,976 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 12:45:41,977 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 12:45:41,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 12:45:41,977 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 12:45:41,977 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4083bfcd7db6f77d1df429f19c85907b2c08abb35764175570b1e2ec14e31561 [2021-11-06 12:45:42,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 12:45:42,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 12:45:42,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 12:45:42,200 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 12:45:42,201 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 12:45:42,201 INFO L432 ainManager$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 [2021-11-06 12:45:42,254 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/265283f6d/a20caae8f345480780fd25c8de9e12eb/FLAGa034ac493 [2021-11-06 12:45:42,638 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 12:45:42,638 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 [2021-11-06 12:45:42,648 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/265283f6d/a20caae8f345480780fd25c8de9e12eb/FLAGa034ac493 [2021-11-06 12:45:42,658 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/265283f6d/a20caae8f345480780fd25c8de9e12eb [2021-11-06 12:45:42,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 12:45:42,661 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 12:45:42,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 12:45:42,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 12:45:42,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 12:45:42,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:45:42" (1/1) ... [2021-11-06 12:45:42,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a378bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:42, skipping insertion in model container [2021-11-06 12:45:42,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:45:42" (1/1) ... [2021-11-06 12:45:42,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 12:45:42,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 12:45:42,964 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] [2021-11-06 12:45:42,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 12:45:43,005 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 12:45:43,065 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] [2021-11-06 12:45:43,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 12:45:43,097 INFO L208 MainTranslator]: Completed translation [2021-11-06 12:45:43,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:43 WrapperNode [2021-11-06 12:45:43,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 12:45:43,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 12:45:43,100 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 12:45:43,100 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 12:45:43,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:43" (1/1) ... [2021-11-06 12:45:43,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:43" (1/1) ... [2021-11-06 12:45:43,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 12:45:43,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 12:45:43,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 12:45:43,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 12:45:43,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:43" (1/1) ... [2021-11-06 12:45:43,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:43" (1/1) ... [2021-11-06 12:45:43,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:43" (1/1) ... [2021-11-06 12:45:43,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:43" (1/1) ... [2021-11-06 12:45:43,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:43" (1/1) ... [2021-11-06 12:45:43,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:43" (1/1) ... [2021-11-06 12:45:43,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:43" (1/1) ... [2021-11-06 12:45:43,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 12:45:43,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 12:45:43,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 12:45:43,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 12:45:43,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:43" (1/1) ... [2021-11-06 12:45:43,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 12:45:43,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 12:45:43,284 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) [2021-11-06 12:45:43,324 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 [2021-11-06 12:45:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 12:45:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 12:45:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 12:45:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 12:45:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 12:45:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-06 12:45:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 12:45:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 12:45:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 12:45:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 12:45:43,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 12:45:44,006 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 12:45:44,007 INFO L299 CfgBuilder]: Removed 134 assume(true) statements. [2021-11-06 12:45:44,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:45:44 BoogieIcfgContainer [2021-11-06 12:45:44,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 12:45:44,010 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 12:45:44,010 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 12:45:44,013 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 12:45:44,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 12:45:42" (1/3) ... [2021-11-06 12:45:44,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75b37c14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:45:44, skipping insertion in model container [2021-11-06 12:45:44,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:43" (2/3) ... [2021-11-06 12:45:44,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75b37c14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:45:44, skipping insertion in model container [2021-11-06 12:45:44,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:45:44" (3/3) ... [2021-11-06 12:45:44,015 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a-1.i [2021-11-06 12:45:44,020 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 12:45:44,020 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-06 12:45:44,059 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 12:45:44,065 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 [2021-11-06 12:45:44,065 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-06 12:45:44,078 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) [2021-11-06 12:45:44,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-06 12:45:44,089 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 12:45:44,090 INFO L513 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] [2021-11-06 12:45:44,090 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 12:45:44,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 12:45:44,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1316234598, now seen corresponding path program 1 times [2021-11-06 12:45:44,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 12:45:44,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219430638] [2021-11-06 12:45:44,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 12:45:44,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 12:45:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 12:45:44,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 12:45:44,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 12:45:44,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219430638] [2021-11-06 12:45:44,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219430638] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 12:45:44,540 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 12:45:44,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-06 12:45:44,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606446503] [2021-11-06 12:45:44,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-06 12:45:44,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 12:45:44,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-06 12:45:44,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-06 12:45:44,558 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) [2021-11-06 12:45:44,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 12:45:44,795 INFO L93 Difference]: Finished difference Result 435 states and 560 transitions. [2021-11-06 12:45:44,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-06 12:45:44,797 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 [2021-11-06 12:45:44,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 12:45:44,813 INFO L225 Difference]: With dead ends: 435 [2021-11-06 12:45:44,813 INFO L226 Difference]: Without dead ends: 297 [2021-11-06 12:45:44,817 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-11-06 12:45:44,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2021-11-06 12:45:44,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 114. [2021-11-06 12:45:44,859 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) [2021-11-06 12:45:44,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 140 transitions. [2021-11-06 12:45:44,860 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 140 transitions. Word has length 43 [2021-11-06 12:45:44,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 12:45:44,861 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 140 transitions. [2021-11-06 12:45:44,861 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) [2021-11-06 12:45:44,861 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 140 transitions. [2021-11-06 12:45:44,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-06 12:45:44,862 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 12:45:44,862 INFO L513 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] [2021-11-06 12:45:44,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 12:45:44,863 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 12:45:44,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 12:45:44,865 INFO L85 PathProgramCache]: Analyzing trace with hash -380977633, now seen corresponding path program 1 times [2021-11-06 12:45:44,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 12:45:44,865 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859724796] [2021-11-06 12:45:44,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 12:45:44,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 12:45:44,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-06 12:45:44,990 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-06 12:45:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-06 12:45:45,183 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-06 12:45:45,183 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-06 12:45:45,184 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 12:45:45,186 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 12:45:45,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 12:45:45,188 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-06 12:45:45,191 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-06 12:45:45,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 12:45:45 BoogieIcfgContainer [2021-11-06 12:45:45,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-06 12:45:45,286 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-06 12:45:45,287 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-06 12:45:45,287 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-06 12:45:45,287 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:45:44" (3/4) ... [2021-11-06 12:45:45,289 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-06 12:45:45,289 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-06 12:45:45,290 INFO L168 Benchmark]: Toolchain (without parser) took 2628.97 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 59.6 MB in the beginning and 75.6 MB in the end (delta: -16.0 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. [2021-11-06 12:45:45,291 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 94.4 MB. Free memory was 67.3 MB in the beginning and 67.3 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-06 12:45:45,291 INFO L168 Benchmark]: CACSL2BoogieTranslator took 435.20 ms. Allocated memory is still 94.4 MB. Free memory was 59.4 MB in the beginning and 55.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-06 12:45:45,292 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.08 ms. Allocated memory is still 94.4 MB. Free memory was 54.6 MB in the beginning and 50.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-06 12:45:45,292 INFO L168 Benchmark]: Boogie Preprocessor took 71.50 ms. Allocated memory is still 94.4 MB. Free memory was 50.2 MB in the beginning and 46.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-06 12:45:45,292 INFO L168 Benchmark]: RCFGBuilder took 753.16 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 46.0 MB in the beginning and 57.9 MB in the end (delta: -12.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2021-11-06 12:45:45,293 INFO L168 Benchmark]: TraceAbstraction took 1276.42 ms. Allocated memory is still 121.6 MB. Free memory was 57.3 MB in the beginning and 76.6 MB in the end (delta: -19.3 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. [2021-11-06 12:45:45,293 INFO L168 Benchmark]: Witness Printer took 2.87 ms. Allocated memory is still 121.6 MB. Free memory was 76.6 MB in the beginning and 75.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-06 12:45:45,295 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 94.4 MB. Free memory was 67.3 MB in the beginning and 67.3 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 435.20 ms. Allocated memory is still 94.4 MB. Free memory was 59.4 MB in the beginning and 55.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.08 ms. Allocated memory is still 94.4 MB. Free memory was 54.6 MB in the beginning and 50.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.50 ms. Allocated memory is still 94.4 MB. Free memory was 50.2 MB in the beginning and 46.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 753.16 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 46.0 MB in the beginning and 57.9 MB in the end (delta: -12.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1276.42 ms. Allocated memory is still 121.6 MB. Free memory was 57.3 MB in the beginning and 76.6 MB in the end (delta: -19.3 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. * Witness Printer took 2.87 ms. Allocated memory is still 121.6 MB. Free memory was 76.6 MB in the beginning and 75.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s 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: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 176 SDtfs, 674 SDslu, 826 SDs, 0 SdLazy, 71 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s Time, 0.0s 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, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 183 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s 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 [2021-11-06 12:45:45,329 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 12:45:47,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 12:45:47,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 12:45:47,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 12:45:47,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 12:45:47,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 12:45:47,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 12:45:47,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 12:45:47,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 12:45:47,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 12:45:47,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 12:45:47,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 12:45:47,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 12:45:47,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 12:45:47,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 12:45:47,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 12:45:47,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 12:45:47,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 12:45:47,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 12:45:47,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 12:45:47,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 12:45:47,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 12:45:47,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 12:45:47,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 12:45:47,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 12:45:47,085 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 12:45:47,085 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 12:45:47,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 12:45:47,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 12:45:47,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 12:45:47,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 12:45:47,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 12:45:47,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 12:45:47,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 12:45:47,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 12:45:47,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 12:45:47,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 12:45:47,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 12:45:47,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 12:45:47,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 12:45:47,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 12:45:47,094 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-06 12:45:47,117 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 12:45:47,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 12:45:47,119 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 12:45:47,119 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 12:45:47,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 12:45:47,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 12:45:47,121 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 12:45:47,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 12:45:47,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 12:45:47,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 12:45:47,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 12:45:47,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 12:45:47,122 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-06 12:45:47,122 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-06 12:45:47,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 12:45:47,122 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 12:45:47,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 12:45:47,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 12:45:47,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 12:45:47,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 12:45:47,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 12:45:47,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 12:45:47,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 12:45:47,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 12:45:47,132 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-06 12:45:47,132 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-06 12:45:47,132 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 12:45:47,132 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 12:45:47,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 12:45:47,133 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 12:45:47,133 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-06 12:45:47,133 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4083bfcd7db6f77d1df429f19c85907b2c08abb35764175570b1e2ec14e31561 [2021-11-06 12:45:47,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 12:45:47,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 12:45:47,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 12:45:47,389 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 12:45:47,390 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 12:45:47,390 INFO L432 ainManager$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 [2021-11-06 12:45:47,439 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a0723cc7/5678ccdddcbd4f88a677ab2d512d6e53/FLAGb5686970e [2021-11-06 12:45:47,913 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 12:45:47,913 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 [2021-11-06 12:45:47,929 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a0723cc7/5678ccdddcbd4f88a677ab2d512d6e53/FLAGb5686970e [2021-11-06 12:45:47,941 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a0723cc7/5678ccdddcbd4f88a677ab2d512d6e53 [2021-11-06 12:45:47,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 12:45:47,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 12:45:47,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 12:45:47,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 12:45:47,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 12:45:47,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:45:47" (1/1) ... [2021-11-06 12:45:47,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b042afd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:47, skipping insertion in model container [2021-11-06 12:45:47,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:45:47" (1/1) ... [2021-11-06 12:45:47,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 12:45:47,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 12:45:48,310 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] [2021-11-06 12:45:48,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 12:45:48,344 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 12:45:48,407 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] [2021-11-06 12:45:48,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 12:45:48,436 INFO L208 MainTranslator]: Completed translation [2021-11-06 12:45:48,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:48 WrapperNode [2021-11-06 12:45:48,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 12:45:48,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 12:45:48,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 12:45:48,437 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 12:45:48,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:48" (1/1) ... [2021-11-06 12:45:48,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:48" (1/1) ... [2021-11-06 12:45:48,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 12:45:48,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 12:45:48,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 12:45:48,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 12:45:48,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:48" (1/1) ... [2021-11-06 12:45:48,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:48" (1/1) ... [2021-11-06 12:45:48,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:48" (1/1) ... [2021-11-06 12:45:48,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:48" (1/1) ... [2021-11-06 12:45:48,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:48" (1/1) ... [2021-11-06 12:45:48,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:48" (1/1) ... [2021-11-06 12:45:48,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:48" (1/1) ... [2021-11-06 12:45:48,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 12:45:48,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 12:45:48,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 12:45:48,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 12:45:48,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:48" (1/1) ... [2021-11-06 12:45:48,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 12:45:48,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 12:45:48,570 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) [2021-11-06 12:45:48,584 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 [2021-11-06 12:45:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 12:45:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 12:45:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-06 12:45:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 12:45:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 12:45:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-06 12:45:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-06 12:45:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-06 12:45:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 12:45:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 12:45:48,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 12:45:50,189 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 12:45:50,189 INFO L299 CfgBuilder]: Removed 134 assume(true) statements. [2021-11-06 12:45:50,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:45:50 BoogieIcfgContainer [2021-11-06 12:45:50,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 12:45:50,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 12:45:50,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 12:45:50,193 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 12:45:50,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 12:45:47" (1/3) ... [2021-11-06 12:45:50,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@647510bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:45:50, skipping insertion in model container [2021-11-06 12:45:50,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:48" (2/3) ... [2021-11-06 12:45:50,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@647510bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:45:50, skipping insertion in model container [2021-11-06 12:45:50,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:45:50" (3/3) ... [2021-11-06 12:45:50,196 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a-1.i [2021-11-06 12:45:50,199 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 12:45:50,199 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-06 12:45:50,227 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 12:45:50,231 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 [2021-11-06 12:45:50,231 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-06 12:45:50,241 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) [2021-11-06 12:45:50,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-06 12:45:50,246 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 12:45:50,246 INFO L513 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] [2021-11-06 12:45:50,247 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 12:45:50,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 12:45:50,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1316234598, now seen corresponding path program 1 times [2021-11-06 12:45:50,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-06 12:45:50,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1444340042] [2021-11-06 12:45:50,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 12:45:50,259 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-06 12:45:50,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-06 12:45:50,260 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) [2021-11-06 12:45:50,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-06 12:45:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 12:45:50,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-06 12:45:50,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 12:45:50,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 12:45:50,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-06 12:45:51,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 12:45:51,020 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-06 12:45:51,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1444340042] [2021-11-06 12:45:51,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1444340042] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-06 12:45:51,021 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-06 12:45:51,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-06 12:45:51,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556092638] [2021-11-06 12:45:51,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-06 12:45:51,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-06 12:45:51,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-06 12:45:51,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-06 12:45:51,039 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) [2021-11-06 12:45:51,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 12:45:51,621 INFO L93 Difference]: Finished difference Result 494 states and 634 transitions. [2021-11-06 12:45:51,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-06 12:45:51,623 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 [2021-11-06 12:45:51,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 12:45:51,631 INFO L225 Difference]: With dead ends: 494 [2021-11-06 12:45:51,631 INFO L226 Difference]: Without dead ends: 346 [2021-11-06 12:45:51,633 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2021-11-06 12:45:51,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-11-06 12:45:51,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 114. [2021-11-06 12:45:51,676 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) [2021-11-06 12:45:51,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 140 transitions. [2021-11-06 12:45:51,679 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 140 transitions. Word has length 43 [2021-11-06 12:45:51,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 12:45:51,679 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 140 transitions. [2021-11-06 12:45:51,679 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) [2021-11-06 12:45:51,680 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 140 transitions. [2021-11-06 12:45:51,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-06 12:45:51,681 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 12:45:51,681 INFO L513 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] [2021-11-06 12:45:51,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-06 12:45:51,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-06 12:45:51,895 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 12:45:51,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 12:45:51,895 INFO L85 PathProgramCache]: Analyzing trace with hash -380977633, now seen corresponding path program 1 times [2021-11-06 12:45:51,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-06 12:45:51,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [491130913] [2021-11-06 12:45:51,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 12:45:51,896 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-06 12:45:51,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-06 12:45:51,898 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) [2021-11-06 12:45:51,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-06 12:45:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-06 12:45:53,505 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-06 12:45:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-06 12:45:55,147 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-06 12:45:55,148 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-06 12:45:55,149 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 12:45:55,151 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 12:45:55,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-06 12:45:55,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-06 12:45:55,359 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-06 12:45:55,361 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-06 12:45:55,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 12:45:55 BoogieIcfgContainer [2021-11-06 12:45:55,458 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-06 12:45:55,459 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-06 12:45:55,459 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-06 12:45:55,460 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-06 12:45:55,460 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:45:50" (3/4) ... [2021-11-06 12:45:55,462 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-06 12:45:55,463 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-06 12:45:55,464 INFO L168 Benchmark]: Toolchain (without parser) took 7518.59 ms. Allocated memory was 54.5 MB in the beginning and 94.4 MB in the end (delta: 39.8 MB). Free memory was 30.9 MB in the beginning and 59.2 MB in the end (delta: -28.3 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2021-11-06 12:45:55,465 INFO L168 Benchmark]: CDTParser took 1.24 ms. Allocated memory is still 54.5 MB. Free memory was 36.3 MB in the beginning and 36.2 MB in the end (delta: 44.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-06 12:45:55,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 489.88 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 30.7 MB in the beginning and 47.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2021-11-06 12:45:55,470 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.00 ms. Allocated memory is still 69.2 MB. Free memory was 47.3 MB in the beginning and 42.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-06 12:45:55,470 INFO L168 Benchmark]: Boogie Preprocessor took 39.67 ms. Allocated memory is still 69.2 MB. Free memory was 42.6 MB in the beginning and 38.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-06 12:45:55,471 INFO L168 Benchmark]: RCFGBuilder took 1647.86 ms. Allocated memory was 69.2 MB in the beginning and 94.4 MB in the end (delta: 25.2 MB). Free memory was 38.4 MB in the beginning and 59.8 MB in the end (delta: -21.4 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. [2021-11-06 12:45:55,471 INFO L168 Benchmark]: TraceAbstraction took 5266.72 ms. Allocated memory is still 94.4 MB. Free memory was 59.3 MB in the beginning and 60.0 MB in the end (delta: -721.2 kB). Peak memory consumption was 35.4 MB. Max. memory is 16.1 GB. [2021-11-06 12:45:55,472 INFO L168 Benchmark]: Witness Printer took 3.43 ms. Allocated memory is still 94.4 MB. Free memory was 60.0 MB in the beginning and 59.2 MB in the end (delta: 753.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-06 12:45:55,477 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.24 ms. Allocated memory is still 54.5 MB. Free memory was 36.3 MB in the beginning and 36.2 MB in the end (delta: 44.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 489.88 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 30.7 MB in the beginning and 47.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.00 ms. Allocated memory is still 69.2 MB. Free memory was 47.3 MB in the beginning and 42.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.67 ms. Allocated memory is still 69.2 MB. Free memory was 42.6 MB in the beginning and 38.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1647.86 ms. Allocated memory was 69.2 MB in the beginning and 94.4 MB in the end (delta: 25.2 MB). Free memory was 38.4 MB in the beginning and 59.8 MB in the end (delta: -21.4 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5266.72 ms. Allocated memory is still 94.4 MB. Free memory was 59.3 MB in the beginning and 60.0 MB in the end (delta: -721.2 kB). Peak memory consumption was 35.4 MB. Max. memory is 16.1 GB. * Witness Printer took 3.43 ms. Allocated memory is still 94.4 MB. Free memory was 60.0 MB in the beginning and 59.2 MB in the end (delta: 753.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s 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={4610560118520545417:0}] [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={4610560118520545417:0}] [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={4610560118520545417:0}] [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={4610560118520545417:0}] [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={4610560118520545417:0}] [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={4610560118520545417:0}] [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={4610560118520545417:0}] [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={4610560118520545417:0}] [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={4610560118520545417:0}] [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={4610560118520545417:0}] [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={4610560118520545417:0}] [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={4610560118520545417:0}] [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={4610560118520545417:0}] [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={4610560118520545417:0}] [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={4610560118520545417:0}] [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={4610560118520545417:0}] [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={4610560118520545417:0}] [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={4610560118520545417:0}] [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={4610560118520545417:0}] [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={4610560118520545417:0}] [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={4610560118520545417:0}] [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={4610560118520545417:0}] [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={4610560118520545417:0}] [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={4610560118520545417:0}] [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={4610560118520545417:0}] [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={4610560118520545417:0}] [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={4610560118520545417:0}] - 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: 5.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 176 SDtfs, 1071 SDslu, 1527 SDs, 0 SdLazy, 93 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s Time, 0.0s 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, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 232 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.4s 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 [2021-11-06 12:45:55,522 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample