./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 86db868de464ca4d354a7334d32f29ea52855124 ................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 86db868de464ca4d354a7334d32f29ea52855124 .................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:26:50,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:50,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:50,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:50,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:50,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:50,675 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:50,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:50,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:50,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:50,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:50,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:50,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:50,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:50,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:50,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:50,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:50,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:50,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:50,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:50,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:50,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:50,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:50,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:50,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:50,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:50,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:50,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:50,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:50,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:50,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:50,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:50,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:50,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:50,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:50,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:50,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:50,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:50,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:50,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:50,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:50,705 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2019-10-22 11:26:50,716 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:50,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:50,717 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:50,717 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:50,718 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:50,718 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:50,718 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:26:50,718 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:50,718 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:50,718 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:26:50,719 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:26:50,719 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:50,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:50,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:26:50,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:50,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:50,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:50,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:50,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:50,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:50,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:50,721 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:50,721 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:50,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:50,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:50,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:50,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:50,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:50,722 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:26:50,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:26:50,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:50,723 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:50,723 INFO L138 SettingsManager]: * To the following directory=dump/ [2019-10-22 11:26:50,723 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/bin/utaipan 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86db868de464ca4d354a7334d32f29ea52855124 [2019-10-22 11:26:50,747 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:50,759 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:50,764 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:50,765 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:50,765 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:50,766 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/bin/utaipan/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-10-22 11:26:50,814 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/bin/utaipan/data/d7ee2b05e/07981f8de6344879b08249091a366d04/FLAG91d660ba2 [2019-10-22 11:26:51,360 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:51,361 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-10-22 11:26:51,383 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/bin/utaipan/data/d7ee2b05e/07981f8de6344879b08249091a366d04/FLAG91d660ba2 [2019-10-22 11:26:51,612 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/bin/utaipan/data/d7ee2b05e/07981f8de6344879b08249091a366d04 [2019-10-22 11:26:51,615 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:51,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:51,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:51,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:51,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:51,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:51" (1/1) ... [2019-10-22 11:26:51,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e4a9ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:51, skipping insertion in model container [2019-10-22 11:26:51,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:51" (1/1) ... [2019-10-22 11:26:51,630 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:51,696 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:52,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:52,345 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:26:52,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:52,629 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:26:52,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:52 WrapperNode [2019-10-22 11:26:52,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:52,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:52,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:26:52,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:26:52,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:52" (1/1) ... [2019-10-22 11:26:52,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:52" (1/1) ... [2019-10-22 11:26:52,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:52,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:26:52,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:26:52,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:26:52,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:52" (1/1) ... [2019-10-22 11:26:52,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:52" (1/1) ... [2019-10-22 11:26:52,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:52" (1/1) ... [2019-10-22 11:26:52,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:52" (1/1) ... [2019-10-22 11:26:52,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:52" (1/1) ... [2019-10-22 11:26:52,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:52" (1/1) ... [2019-10-22 11:26:52,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:52" (1/1) ... [2019-10-22 11:26:52,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:26:52,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:26:52,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:26:52,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:26:52,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:52,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 11:26:52,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:26:52,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:26:52,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 11:26:52,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:26:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 11:26:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:26:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:26:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 11:26:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:26:52,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:26:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-10-22 11:26:56,445 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:26:56,445 INFO L284 CfgBuilder]: Removed 159 assume(true) statements. [2019-10-22 11:26:56,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:56 BoogieIcfgContainer [2019-10-22 11:26:56,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:26:56,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:26:56,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:26:56,450 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:26:56,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:26:51" (1/3) ... [2019-10-22 11:26:56,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f85e772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:56, skipping insertion in model container [2019-10-22 11:26:56,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:52" (2/3) ... [2019-10-22 11:26:56,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f85e772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:56, skipping insertion in model container [2019-10-22 11:26:56,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:56" (3/3) ... [2019-10-22 11:26:56,453 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-10-22 11:26:56,464 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:26:56,471 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:26:56,481 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:26:56,506 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:26:56,506 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:26:56,506 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:26:56,506 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:26:56,506 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:26:56,507 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:26:56,507 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:26:56,507 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:26:56,526 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2019-10-22 11:26:56,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 11:26:56,532 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:56,533 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:56,535 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:56,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:56,540 INFO L82 PathProgramCache]: Analyzing trace with hash -618862676, now seen corresponding path program 1 times [2019-10-22 11:26:56,549 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:56,549 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911451543] [2019-10-22 11:26:56,549 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:56,550 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:56,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:26:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:26:57,152 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-22 11:26:57,153 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:26:57,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:26:57,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:26:57,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:26:57,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:26:57,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:26:57,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 11:26:57,218 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:26:57,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:26:57,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:26:57,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:26:57,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 11:26:57,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:26:57,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:26:57,221 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:26:57,222 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:26:57,222 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:26:57,222 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:26:57,222 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:26:57,222 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:26:57,223 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:26:57,223 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 11:26:57,224 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:26:57,224 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:26:57,224 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 11:26:57,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:26:57,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:26:57,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:26:57,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:26:57,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:26:57,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 11:26:57,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:26:57,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:26:57,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:26:57,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:26:57,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:26:57,229 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 11:26:57,229 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:26:57,229 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:26:57,229 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:26:57,230 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:26:57,230 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:26:57,230 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:26:57,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:26:57 BoogieIcfgContainer [2019-10-22 11:26:57,239 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:26:57,240 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:26:57,240 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:26:57,240 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:26:57,241 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:56" (3/4) ... [2019-10-22 11:26:57,245 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 11:26:57,245 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:26:57,247 INFO L168 Benchmark]: Toolchain (without parser) took 5630.55 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 239.6 MB). Free memory was 938.0 MB in the beginning and 1.2 GB in the end (delta: -272.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:57,248 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:57,248 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1013.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -149.9 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:57,249 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:57,249 INFO L168 Benchmark]: Boogie Preprocessor took 109.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:57,250 INFO L168 Benchmark]: RCFGBuilder took 3571.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 871.2 MB in the end (delta: 201.3 MB). Peak memory consumption was 201.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:57,250 INFO L168 Benchmark]: TraceAbstraction took 792.08 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 86.0 MB). Free memory was 869.5 MB in the beginning and 1.2 GB in the end (delta: -340.5 MB). Peak memory consumption was 72.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:57,251 INFO L168 Benchmark]: Witness Printer took 5.48 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:57,254 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1013.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -149.9 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 133.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3571.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 871.2 MB in the end (delta: 201.3 MB). Peak memory consumption was 201.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 792.08 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 86.0 MB). Free memory was 869.5 MB in the beginning and 1.2 GB in the end (delta: -340.5 MB). Peak memory consumption was 72.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.48 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 2295]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1798. Possible FailurePath: [L1796-L1797] static struct comedi_driver driver_ni6527 = {0, "ni6527", & __this_module, & ni6527_attach, & ni6527_detach, 0U, 0, 0}; [L1798-L1799] static struct ni6527_board const ni6527_boards[2U] = { {11040, "pci-6527"}, {11024, "pxi-6527"}}; [L1800-L1802] static struct pci_device_id const ni6527_pci_table[3U] = { {4243U, 11024U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {4243U, 11040U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {0U, 0U, 0U, 0U, 0U, 0U, 0UL}}; [L1803] struct pci_device_id const __mod_pci_device_table ; [L2203-L2210] static struct pci_driver driver_ni6527_pci_driver = {{0, 0}, 0, (struct pci_device_id const *)(& ni6527_pci_table), & driver_ni6527_pci_probe, & driver_ni6527_pci_remove, 0, 0, 0, 0, 0, 0, {0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}}; [L2238] int LDV_IN_INTERRUPT ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967299:4294967300}, driver_ni6527={-10:0}, driver_ni6527_pci_driver={-1:0}, LDV_IN_INTERRUPT=0, ni6527_boards={-9:0}, ni6527_pci_table={2:0}] [L2241] struct comedi_device *var_group1 ; [L2242] struct comedi_devconfig *var_group2 ; [L2243] int var_ni6527_interrupt_3_p0 ; [L2244] void *var_ni6527_interrupt_3_p1 ; [L2245] int tmp ; [L2246] int tmp___0 ; [L2247] int tmp___1 ; [L2249] LDV_IN_INTERRUPT = 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967299:4294967300}, driver_ni6527={-10:0}, driver_ni6527_pci_driver={-1:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-9:0}, ni6527_pci_table={2:0}] [L2213] int retval ; [L2214] int tmp ; [L2348] return __VERIFIER_nondet_int(); [L2216] retval = comedi_driver_register(& driver_ni6527) [L2217] COND TRUE retval < 0 [L2218] return (retval); VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967299:4294967300}, driver_ni6527={-10:0}, driver_ni6527_pci_driver={-1:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-9:0}, ni6527_pci_table={2:0}] [L2252] tmp = driver_ni6527_init_module() [L2253] COND TRUE tmp != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967299:4294967300}, driver_ni6527={-10:0}, driver_ni6527_pci_driver={-1:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-9:0}, ni6527_pci_table={2:0}] [L2309] int tmp ; [L2310] int tmp___0 ; [L2311] int tmp___1 ; [L2387] return __VERIFIER_nondet_int(); [L2313] tmp = ldv_module_license() [L2314] COND FALSE !(tmp == 1) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967299:4294967300}, driver_ni6527={-10:0}, driver_ni6527_pci_driver={-1:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-9:0}, ni6527_pci_table={2:0}] [L2295] __VERIFIER_error() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967299:4294967300}, driver_ni6527={-10:0}, driver_ni6527_pci_driver={-1:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-9:0}, ni6527_pci_table={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 177 locations, 3 error locations. Result: UNSAFE, OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=177occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: 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 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 11:26:59,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:59,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:59,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:59,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:59,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:59,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:59,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:59,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:59,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:59,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:59,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:59,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:59,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:59,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:59,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:59,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:59,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:59,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:59,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:59,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:59,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:59,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:59,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:59,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:59,267 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:59,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:59,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:59,268 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:59,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:59,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:59,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:59,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:59,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:59,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:59,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:59,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:59,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:59,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:59,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:59,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:59,274 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2019-10-22 11:26:59,285 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:59,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:59,286 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:59,286 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:59,286 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:59,286 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:59,287 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:59,287 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:59,287 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:59,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:59,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:59,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:59,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:59,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:59,288 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:26:59,288 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:26:59,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:59,289 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:26:59,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:59,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:59,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:59,289 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:59,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:59,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:59,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:59,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:59,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:59,290 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:26:59,290 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:26:59,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:59,291 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:59,291 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/bin/utaipan 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86db868de464ca4d354a7334d32f29ea52855124 [2019-10-22 11:26:59,317 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:59,327 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:59,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:59,331 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:59,332 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:59,332 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/bin/utaipan/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-10-22 11:26:59,379 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/bin/utaipan/data/6129ef592/5cd3609b66d64c6b900adc6742bd2cf7/FLAG6694007c6 [2019-10-22 11:26:59,976 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:59,976 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-10-22 11:26:59,995 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/bin/utaipan/data/6129ef592/5cd3609b66d64c6b900adc6742bd2cf7/FLAG6694007c6 [2019-10-22 11:27:00,180 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/bin/utaipan/data/6129ef592/5cd3609b66d64c6b900adc6742bd2cf7 [2019-10-22 11:27:00,183 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:27:00,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:27:00,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:00,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:27:00,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:27:00,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:00" (1/1) ... [2019-10-22 11:27:00,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a59ada2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:00, skipping insertion in model container [2019-10-22 11:27:00,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:00" (1/1) ... [2019-10-22 11:27:00,197 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:27:00,248 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:27:00,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:00,921 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:27:01,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:01,153 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:27:01,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:01 WrapperNode [2019-10-22 11:27:01,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:01,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:01,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:27:01,154 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:27:01,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:01" (1/1) ... [2019-10-22 11:27:01,192 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:01" (1/1) ... [2019-10-22 11:27:01,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:01,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:27:01,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:27:01,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:27:01,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:01" (1/1) ... [2019-10-22 11:27:01,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:01" (1/1) ... [2019-10-22 11:27:01,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:01" (1/1) ... [2019-10-22 11:27:01,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:01" (1/1) ... [2019-10-22 11:27:01,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:01" (1/1) ... [2019-10-22 11:27:01,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:01" (1/1) ... [2019-10-22 11:27:01,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:01" (1/1) ... [2019-10-22 11:27:01,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:27:01,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:27:01,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:27:01,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:27:01,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:27:01,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-10-22 11:27:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 11:27:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:27:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 11:27:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2019-10-22 11:27:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 11:27:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:27:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:27:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 11:27:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-10-22 11:27:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-10-22 11:27:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2019-10-22 11:27:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 11:27:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:27:01,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:27:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-10-22 11:27:05,369 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:27:05,369 INFO L284 CfgBuilder]: Removed 159 assume(true) statements. [2019-10-22 11:27:05,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:05 BoogieIcfgContainer [2019-10-22 11:27:05,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:27:05,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:27:05,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:27:05,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:27:05,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:27:00" (1/3) ... [2019-10-22 11:27:05,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f659c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:05, skipping insertion in model container [2019-10-22 11:27:05,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:01" (2/3) ... [2019-10-22 11:27:05,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f659c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:05, skipping insertion in model container [2019-10-22 11:27:05,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:05" (3/3) ... [2019-10-22 11:27:05,378 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-10-22 11:27:05,388 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:27:05,396 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:27:05,407 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:27:05,430 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:27:05,430 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:27:05,431 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:27:05,431 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:27:05,432 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:27:05,433 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:27:05,433 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:27:05,433 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:27:05,448 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2019-10-22 11:27:05,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 11:27:05,453 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:05,454 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:05,455 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:05,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:05,459 INFO L82 PathProgramCache]: Analyzing trace with hash -618862676, now seen corresponding path program 1 times [2019-10-22 11:27:05,469 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:27:05,469 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [887278409] [2019-10-22 11:27:05,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e26d900-a837-459c-a552-2b3868ffc59f/bin/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:27:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:27:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:27:07,653 INFO L168 tionRefinementEngine]: Strategy WALRUS found a feasible trace [2019-10-22 11:27:07,653 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:27:07,857 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:27:07,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:27:07,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:27:07,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:27:07,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:27:07,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:27:07,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:27:07,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 11:27:07,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:27:07,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:27:07,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:27:07,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:27:07,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:27:07,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 11:27:07,912 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:27:07,913 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:27:07,913 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:27:07,913 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:27:07,913 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:27:07,913 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:27:07,914 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 11:27:07,914 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:27:07,915 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:27:07,915 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:27:07,915 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:27:07,915 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 11:27:07,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:27:07,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:27:07,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:27:07,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:27:07,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 11:27:07,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:27:07,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:27:07,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:27:07,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:27:07,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:27:07,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:27:07,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 11:27:07,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:27:07,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:27:07,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:27:07,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:27:07,922 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:27:07,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:27:07 BoogieIcfgContainer [2019-10-22 11:27:07,937 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:27:07,937 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:27:07,937 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:27:07,938 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:27:07,938 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:05" (3/4) ... [2019-10-22 11:27:07,941 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 11:27:07,941 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:27:07,946 INFO L168 Benchmark]: Toolchain (without parser) took 7758.88 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 239.1 MB). Free memory was 945.6 MB in the beginning and 1.2 GB in the end (delta: -227.3 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:07,947 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:07,947 INFO L168 Benchmark]: CACSL2BoogieTranslator took 968.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -147.7 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:07,948 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:07,948 INFO L168 Benchmark]: Boogie Preprocessor took 98.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:07,949 INFO L168 Benchmark]: RCFGBuilder took 3994.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 866.2 MB in the end (delta: 207.5 MB). Peak memory consumption was 207.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:07,949 INFO L168 Benchmark]: TraceAbstraction took 2565.14 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 79.7 MB). Free memory was 866.2 MB in the beginning and 1.2 GB in the end (delta: -306.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:07,950 INFO L168 Benchmark]: Witness Printer took 3.93 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:07,953 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 968.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -147.7 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 122.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 98.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3994.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 866.2 MB in the end (delta: 207.5 MB). Peak memory consumption was 207.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2565.14 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 79.7 MB). Free memory was 866.2 MB in the beginning and 1.2 GB in the end (delta: -306.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.93 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 2295]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1798. Possible FailurePath: [L1796-L1797] static struct comedi_driver driver_ni6527 = {0, "ni6527", & __this_module, & ni6527_attach, & ni6527_detach, 0U, 0, 0}; [L1798-L1799] static struct ni6527_board const ni6527_boards[2U] = { {11040, "pci-6527"}, {11024, "pxi-6527"}}; [L1800-L1802] static struct pci_device_id const ni6527_pci_table[3U] = { {4243U, 11024U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {4243U, 11040U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {0U, 0U, 0U, 0U, 0U, 0U, 0UL}}; [L1803] struct pci_device_id const __mod_pci_device_table ; [L2203-L2210] static struct pci_driver driver_ni6527_pci_driver = {{0, 0}, 0, (struct pci_device_id const *)(& ni6527_pci_table), & driver_ni6527_pci_probe, & driver_ni6527_pci_remove, 0, 0, 0, 0, 0, 0, {0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}}; [L2238] int LDV_IN_INTERRUPT ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni6527={-595533823:0}, driver_ni6527_pci_driver={-594155264:0}, LDV_IN_INTERRUPT=0, ni6527_boards={-595533822:0}, ni6527_pci_table={-594499574:0}] [L2241] struct comedi_device *var_group1 ; [L2242] struct comedi_devconfig *var_group2 ; [L2243] int var_ni6527_interrupt_3_p0 ; [L2244] void *var_ni6527_interrupt_3_p1 ; [L2245] int tmp ; [L2246] int tmp___0 ; [L2247] int tmp___1 ; [L2249] LDV_IN_INTERRUPT = 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni6527={-595533823:0}, driver_ni6527_pci_driver={-594155264:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-595533822:0}, ni6527_pci_table={-594499574:0}] [L2213] int retval ; [L2214] int tmp ; [L2348] return __VERIFIER_nondet_int(); [L2216] retval = comedi_driver_register(& driver_ni6527) [L2217] COND TRUE retval < 0 [L2218] return (retval); VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni6527={-595533823:0}, driver_ni6527_pci_driver={-594155264:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-595533822:0}, ni6527_pci_table={-594499574:0}] [L2252] tmp = driver_ni6527_init_module() [L2253] COND TRUE tmp != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni6527={-595533823:0}, driver_ni6527_pci_driver={-594155264:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-595533822:0}, ni6527_pci_table={-594499574:0}] [L2309] int tmp ; [L2310] int tmp___0 ; [L2311] int tmp___1 ; [L2387] return __VERIFIER_nondet_int(); [L2313] tmp = ldv_module_license() [L2314] COND FALSE !(tmp == 1) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni6527={-595533823:0}, driver_ni6527_pci_driver={-594155264:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-595533822:0}, ni6527_pci_table={-594499574:0}] [L2295] __VERIFIER_error() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni6527={-595533823:0}, driver_ni6527_pci_driver={-594155264:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-595533822:0}, ni6527_pci_table={-594499574:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 177 locations, 3 error locations. Result: UNSAFE, OverallTime: 2.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=177occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: 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 Received shutdown request...