./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-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_d6631f91-6f55-4512-892d-736f7ca16bec/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d6631f91-6f55-4512-892d-736f7ca16bec/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d6631f91-6f55-4512-892d-736f7ca16bec/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d6631f91-6f55-4512-892d-736f7ca16bec/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d6631f91-6f55-4512-892d-736f7ca16bec/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d6631f91-6f55-4512-892d-736f7ca16bec/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 a0ba8203805df5f70551fa7fdcd744d5baad4448 ................................................................................................................................................................................................................................................................................................................................................................................................................... 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_d6631f91-6f55-4512-892d-736f7ca16bec/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d6631f91-6f55-4512-892d-736f7ca16bec/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d6631f91-6f55-4512-892d-736f7ca16bec/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d6631f91-6f55-4512-892d-736f7ca16bec/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d6631f91-6f55-4512-892d-736f7ca16bec/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d6631f91-6f55-4512-892d-736f7ca16bec/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 a0ba8203805df5f70551fa7fdcd744d5baad4448 ........................................................................................................................................................................................................................................................................................................................................................................................................................ 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 11:22:17,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:17,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:17,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:17,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:17,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:17,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:17,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:17,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:17,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:17,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:17,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:17,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:17,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:17,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:17,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:17,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:17,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:17,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:17,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:17,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:17,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:17,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:17,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:17,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:17,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:17,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:17,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:17,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:17,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:17,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:17,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:17,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:17,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:17,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:17,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:17,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:17,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:17,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:17,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:17,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:17,987 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d6631f91-6f55-4512-892d-736f7ca16bec/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2019-10-22 11:22:17,999 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:18,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:18,004 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:18,004 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:18,004 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:18,005 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:18,005 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:22:18,005 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:18,005 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:18,005 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:22:18,006 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:22:18,006 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:18,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:18,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:22:18,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:18,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:22:18,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:18,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:22:18,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:22:18,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:22:18,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:18,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:18,008 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:18,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:18,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:18,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:18,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:18,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:22:18,009 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:22:18,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:22:18,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:22:18,010 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:18,011 INFO L138 SettingsManager]: * To the following directory=dump/ [2019-10-22 11:22:18,011 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_d6631f91-6f55-4512-892d-736f7ca16bec/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 -> a0ba8203805df5f70551fa7fdcd744d5baad4448 [2019-10-22 11:22:18,034 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:18,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:18,050 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:18,052 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:18,053 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:18,053 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d6631f91-6f55-4512-892d-736f7ca16bec/bin/utaipan/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36-1.i [2019-10-22 11:22:18,104 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6631f91-6f55-4512-892d-736f7ca16bec/bin/utaipan/data/1dc290640/deaab645466a4a319629a49ad05b652d/FLAG575fb2621 [2019-10-22 11:22:18,664 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:18,665 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d6631f91-6f55-4512-892d-736f7ca16bec/sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36-1.i [2019-10-22 11:22:18,679 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6631f91-6f55-4512-892d-736f7ca16bec/bin/utaipan/data/1dc290640/deaab645466a4a319629a49ad05b652d/FLAG575fb2621 [2019-10-22 11:22:18,887 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d6631f91-6f55-4512-892d-736f7ca16bec/bin/utaipan/data/1dc290640/deaab645466a4a319629a49ad05b652d [2019-10-22 11:22:18,889 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:18,890 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:18,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:18,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:18,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:18,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:18" (1/1) ... [2019-10-22 11:22:18,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5629fed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:18, skipping insertion in model container [2019-10-22 11:22:18,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:18" (1/1) ... [2019-10-22 11:22:18,905 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:18,960 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:19,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:19,562 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:19,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:19,782 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:19,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:19 WrapperNode [2019-10-22 11:22:19,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:19,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:19,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:19,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:19,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:19" (1/1) ... [2019-10-22 11:22:19,815 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:19" (1/1) ... [2019-10-22 11:22:19,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:19,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:19,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:19,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:19,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:19" (1/1) ... [2019-10-22 11:22:19,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:19" (1/1) ... [2019-10-22 11:22:19,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:19" (1/1) ... [2019-10-22 11:22:19,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:19" (1/1) ... [2019-10-22 11:22:19,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:19" (1/1) ... [2019-10-22 11:22:19,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:19" (1/1) ... [2019-10-22 11:22:19,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:19" (1/1) ... [2019-10-22 11:22:20,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:20,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:20,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:20,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:20,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6631f91-6f55-4512-892d-736f7ca16bec/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 11:22:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 11:22:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:22:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:22:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 11:22:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:22:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 11:22:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:22:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:22:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 11:22:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:20,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-10-22 11:22:21,620 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:21,621 INFO L284 CfgBuilder]: Removed 185 assume(true) statements. [2019-10-22 11:22:21,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:21 BoogieIcfgContainer [2019-10-22 11:22:21,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:21,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:21,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:21,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:21,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:18" (1/3) ... [2019-10-22 11:22:21,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ddf00b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:21, skipping insertion in model container [2019-10-22 11:22:21,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:19" (2/3) ... [2019-10-22 11:22:21,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ddf00b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:21, skipping insertion in model container [2019-10-22 11:22:21,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:21" (3/3) ... [2019-10-22 11:22:21,629 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36-1.i [2019-10-22 11:22:21,638 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:21,645 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:22:21,655 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:22:21,677 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:21,677 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:22:21,677 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:21,678 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:21,678 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:21,678 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:21,678 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:21,678 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:21,699 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-10-22 11:22:21,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 11:22:21,705 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:21,706 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:21,707 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:21,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:21,713 INFO L82 PathProgramCache]: Analyzing trace with hash -612151764, now seen corresponding path program 1 times [2019-10-22 11:22:21,721 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:21,721 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246673340] [2019-10-22 11:22:21,722 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:21,722 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:21,722 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:22:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:22:22,391 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-22 11:22:22,392 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:22:22,442 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 11:22:22,443 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:22:22,443 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:22:22,444 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:22:22,444 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:22:22,444 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:22:22,444 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:22:22,449 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:22:22,450 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:22:22,450 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 11:22:22,450 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:22:22,450 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:22:22,451 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:22:22,451 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:22:22,452 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:22:22,452 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 11:22:22,452 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:22:22,453 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:22:22,453 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:22:22,453 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:22:22,459 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:22:22,460 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 11:22:22,460 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:22:22,460 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:22:22,461 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:22:22,461 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:22:22,461 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:22:22,461 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:22:22,462 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:22:22,462 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:22:22,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:22:22,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:22:22,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 11:22:22,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:22:22,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:22:22,464 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 11:22:22,465 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:22:22,465 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:22:22,465 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:22:22,470 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:22:22,471 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:22:22,471 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:22:22,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:22:22 BoogieIcfgContainer [2019-10-22 11:22:22,479 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:22:22,480 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:22:22,480 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:22:22,480 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:22:22,481 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:21" (3/4) ... [2019-10-22 11:22:22,487 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 11:22:22,487 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:22:22,489 INFO L168 Benchmark]: Toolchain (without parser) took 3598.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 944.5 MB in the beginning and 818.3 MB in the end (delta: 126.1 MB). Peak memory consumption was 239.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:22,490 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:22,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 892.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -122.2 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:22,491 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:22,492 INFO L168 Benchmark]: Boogie Preprocessor took 116.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:22,492 INFO L168 Benchmark]: RCFGBuilder took 1617.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 895.6 MB in the end (delta: 149.9 MB). Peak memory consumption was 149.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:22,493 INFO L168 Benchmark]: TraceAbstraction took 856.59 ms. Allocated memory is still 1.1 GB. Free memory was 895.6 MB in the beginning and 818.3 MB in the end (delta: 77.3 MB). Peak memory consumption was 77.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:22,493 INFO L168 Benchmark]: Witness Printer took 7.30 ms. Allocated memory is still 1.1 GB. Free memory is still 818.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:22,496 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 892.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -122.2 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 104.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 116.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1617.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 895.6 MB in the end (delta: 149.9 MB). Peak memory consumption was 149.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 856.59 ms. Allocated memory is still 1.1 GB. Free memory was 895.6 MB in the beginning and 818.3 MB in the end (delta: 77.3 MB). Peak memory consumption was 77.3 MB. Max. memory is 11.5 GB. * Witness Printer took 7.30 ms. Allocated memory is still 1.1 GB. Free memory is still 818.3 MB. 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!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!vendor - 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!vendor - 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!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!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!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!device - 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!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!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!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!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!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 2126]: 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 1778. Possible FailurePath: [L1778-L1780] static struct ni_670x_board const ni_670x_boards[3U] = { {11408U, "PCI-6703", 16U, 16U}, {6432U, "PXI-6704", 32U, 16U}, {4752U, "PCI-6704", 32U, 16U}}; [L1781-L1783] static struct pci_device_id const ni_670x_pci_table[3U] = { {4243U, 11408U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {4243U, 6432U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {0U, 0U, 0U, 0U, 0U, 0U, 0UL}}; [L1784] struct pci_device_id const __mod_pci_device_table ; [L1787-L1788] static struct comedi_driver driver_ni_670x = {0, "ni_670x", & __this_module, & ni_670x_attach, & ni_670x_detach, 0U, 0, 0}; [L1804-L1814] static struct pci_driver driver_ni_670x_pci_driver = {{0, 0}, 0, (struct pci_device_id const *)(& ni_670x_pci_table), & driver_ni_670x_pci_probe, & driver_ni_670x_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}}}; [L1838] static struct comedi_lrange range_0_20mA = {1, {{0, 20000000, 1U}}}; [L2077] 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={4294967302:4294967297}, driver_ni_670x={-8:0}, driver_ni_670x_pci_driver={41:0}, LDV_IN_INTERRUPT=0, ni_670x_boards={-6:0}, ni_670x_pci_table={22:0}, range_0_20mA={-5:0}] [L2080] struct comedi_device *var_group1 ; [L2081] struct comedi_devconfig *var_group2 ; [L2082] int tmp ; [L2083] int tmp___0 ; [L2084] int tmp___1 ; [L2086] 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={4294967302:4294967297}, driver_ni_670x={-8:0}, driver_ni_670x_pci_driver={41:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={-6:0}, ni_670x_pci_table={22:0}, range_0_20mA={-5:0}] [L1817] int retval ; [L1818] int tmp ; [L2175] return __VERIFIER_nondet_int(); [L1820] retval = comedi_driver_register(& driver_ni_670x) [L1821] COND TRUE retval < 0 [L1822] 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={4294967302:4294967297}, driver_ni_670x={-8:0}, driver_ni_670x_pci_driver={41:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={-6:0}, ni_670x_pci_table={22:0}, range_0_20mA={-5:0}] [L2089] tmp = driver_ni_670x_init_module() [L2090] 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={4294967302:4294967297}, driver_ni_670x={-8:0}, driver_ni_670x_pci_driver={41:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={-6:0}, ni_670x_pci_table={22:0}, range_0_20mA={-5:0}] [L2140] int tmp ; [L2141] int tmp___0 ; [L2142] int tmp___1 ; [L2211] return __VERIFIER_nondet_int(); [L2144] tmp = ldv_module_license() [L2145] 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={4294967302:4294967297}, driver_ni_670x={-8:0}, driver_ni_670x_pci_driver={41:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={-6:0}, ni_670x_pci_table={22:0}, range_0_20mA={-5:0}] [L2126] __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={4294967302:4294967297}, driver_ni_670x={-8:0}, driver_ni_670x_pci_driver={41:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={-6:0}, ni_670x_pci_table={22:0}, range_0_20mA={-5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 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=227occurred 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 11:22:24,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:24,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:24,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:24,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:24,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:24,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:24,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:24,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:24,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:24,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:24,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:24,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:24,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:24,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:24,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:24,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:24,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:24,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:24,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:24,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:24,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:24,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:24,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:24,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:24,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:24,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:24,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:24,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:24,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:24,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:24,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:24,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:24,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:24,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:24,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:24,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:24,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:24,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:24,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:24,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:24,604 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d6631f91-6f55-4512-892d-736f7ca16bec/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2019-10-22 11:22:24,618 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:24,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:24,619 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:24,619 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:24,619 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:24,620 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:24,620 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:24,620 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:24,620 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:24,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:24,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:24,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:22:24,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:24,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:22:24,622 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:22:24,622 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:22:24,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:22:24,622 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:22:24,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:22:24,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:24,623 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:24,623 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:24,623 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:24,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:24,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:24,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:24,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:22:24,624 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:22:24,624 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:22:24,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:22:24,625 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:24,625 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_d6631f91-6f55-4512-892d-736f7ca16bec/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 -> a0ba8203805df5f70551fa7fdcd744d5baad4448 [2019-10-22 11:22:24,655 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:24,666 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:24,669 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:24,671 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:24,671 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:24,672 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d6631f91-6f55-4512-892d-736f7ca16bec/bin/utaipan/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36-1.i [2019-10-22 11:22:24,723 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6631f91-6f55-4512-892d-736f7ca16bec/bin/utaipan/data/41b7e8e61/82264d8bc8944ab49fd2c25acf5ef3c4/FLAG3e308b618 [2019-10-22 11:22:25,266 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:25,267 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d6631f91-6f55-4512-892d-736f7ca16bec/sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36-1.i [2019-10-22 11:22:25,293 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6631f91-6f55-4512-892d-736f7ca16bec/bin/utaipan/data/41b7e8e61/82264d8bc8944ab49fd2c25acf5ef3c4/FLAG3e308b618 [2019-10-22 11:22:25,541 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d6631f91-6f55-4512-892d-736f7ca16bec/bin/utaipan/data/41b7e8e61/82264d8bc8944ab49fd2c25acf5ef3c4 [2019-10-22 11:22:25,544 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:25,545 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:25,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:25,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:25,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:25,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:25" (1/1) ... [2019-10-22 11:22:25,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4292c50b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:25, skipping insertion in model container [2019-10-22 11:22:25,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:25" (1/1) ... [2019-10-22 11:22:25,564 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:25,643 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:26,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:26,328 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:26,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:26,590 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:26,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:26 WrapperNode [2019-10-22 11:22:26,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:26,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:26,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:26,592 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:26,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:26" (1/1) ... [2019-10-22 11:22:26,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:26" (1/1) ... [2019-10-22 11:22:26,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:26,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:26,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:26,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:26,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:26" (1/1) ... [2019-10-22 11:22:26,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:26" (1/1) ... [2019-10-22 11:22:26,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:26" (1/1) ... [2019-10-22 11:22:26,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:26" (1/1) ... [2019-10-22 11:22:26,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:26" (1/1) ... [2019-10-22 11:22:26,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:26" (1/1) ... [2019-10-22 11:22:26,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:26" (1/1) ... [2019-10-22 11:22:26,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:26,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:26,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:26,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:26,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6631f91-6f55-4512-892d-736f7ca16bec/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 11:22:26,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-10-22 11:22:26,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 11:22:26,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:22:26,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 11:22:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2019-10-22 11:22:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 11:22:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:22:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:22:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 11:22:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2019-10-22 11:22:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-10-22 11:22:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-10-22 11:22:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2019-10-22 11:22:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 11:22:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-10-22 11:22:31,720 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:31,720 INFO L284 CfgBuilder]: Removed 185 assume(true) statements. [2019-10-22 11:22:31,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:31 BoogieIcfgContainer [2019-10-22 11:22:31,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:31,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:31,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:31,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:31,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:25" (1/3) ... [2019-10-22 11:22:31,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fe2f2d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:31, skipping insertion in model container [2019-10-22 11:22:31,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:26" (2/3) ... [2019-10-22 11:22:31,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fe2f2d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:31, skipping insertion in model container [2019-10-22 11:22:31,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:31" (3/3) ... [2019-10-22 11:22:31,729 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36-1.i [2019-10-22 11:22:31,738 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:31,746 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:22:31,756 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:22:31,778 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:31,778 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:22:31,778 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:31,779 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:31,779 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:31,779 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:31,779 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:31,779 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:31,796 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-10-22 11:22:31,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 11:22:31,802 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:31,803 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:31,805 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:31,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:31,810 INFO L82 PathProgramCache]: Analyzing trace with hash -612151764, now seen corresponding path program 1 times [2019-10-22 11:22:31,821 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:31,821 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [567493111] [2019-10-22 11:22:31,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6631f91-6f55-4512-892d-736f7ca16bec/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 11:22:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:22:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:22:34,345 INFO L168 tionRefinementEngine]: Strategy WALRUS found a feasible trace [2019-10-22 11:22:34,346 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:22:34,547 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:34,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:22:34,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:22:34,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:22:34,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 11:22:34,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:22:34,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:22:34,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:22:34,604 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:22:34,604 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:22:34,604 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:22:34,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:22:34,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 11:22:34,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:22:34,606 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:22:34,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:22:34,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 11:22:34,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:22:34,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:22:34,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:22:34,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:22:34,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:22:34,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:22:34,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:22:34,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 11:22:34,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:22:34,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:22:34,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:22:34,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:22:34,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:22:34,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:22:34,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:22:34,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:22:34,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 11:22:34,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:22:34,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:22:34,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:22:34,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 11:22:34,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:22:34,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:22:34,621 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 11:22:34,621 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 11:22:34,621 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 11:22:34,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:22:34 BoogieIcfgContainer [2019-10-22 11:22:34,635 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:22:34,635 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:22:34,636 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:22:34,637 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:22:34,639 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:31" (3/4) ... [2019-10-22 11:22:34,642 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 11:22:34,642 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:22:34,644 INFO L168 Benchmark]: Toolchain (without parser) took 9098.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 948.3 MB in the beginning and 856.6 MB in the end (delta: 91.7 MB). Peak memory consumption was 239.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:34,645 INFO L168 Benchmark]: CDTParser took 0.21 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 11:22:34,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1044.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -144.9 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:34,647 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.23 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:34,647 INFO L168 Benchmark]: Boogie Preprocessor took 112.81 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:34,648 INFO L168 Benchmark]: RCFGBuilder took 4891.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 935.9 MB in the end (delta: 144.1 MB). Peak memory consumption was 144.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:34,648 INFO L168 Benchmark]: TraceAbstraction took 2912.30 ms. Allocated memory is still 1.2 GB. Free memory was 929.3 MB in the beginning and 856.6 MB in the end (delta: 72.7 MB). Peak memory consumption was 72.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:34,649 INFO L168 Benchmark]: Witness Printer took 7.03 ms. Allocated memory is still 1.2 GB. Free memory is still 856.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:34,652 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 1044.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -144.9 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 126.23 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 112.81 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4891.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 935.9 MB in the end (delta: 144.1 MB). Peak memory consumption was 144.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2912.30 ms. Allocated memory is still 1.2 GB. Free memory was 929.3 MB in the beginning and 856.6 MB in the end (delta: 72.7 MB). Peak memory consumption was 72.7 MB. Max. memory is 11.5 GB. * Witness Printer took 7.03 ms. Allocated memory is still 1.2 GB. Free memory is still 856.6 MB. 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!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!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!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!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!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!vendor - 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!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!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!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!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!device - 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 2126]: 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 1778. Possible FailurePath: [L1778-L1780] static struct ni_670x_board const ni_670x_boards[3U] = { {11408U, "PCI-6703", 16U, 16U}, {6432U, "PXI-6704", 32U, 16U}, {4752U, "PCI-6704", 32U, 16U}}; [L1781-L1783] static struct pci_device_id const ni_670x_pci_table[3U] = { {4243U, 11408U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {4243U, 6432U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {0U, 0U, 0U, 0U, 0U, 0U, 0UL}}; [L1784] struct pci_device_id const __mod_pci_device_table ; [L1787-L1788] static struct comedi_driver driver_ni_670x = {0, "ni_670x", & __this_module, & ni_670x_attach, & ni_670x_detach, 0U, 0, 0}; [L1804-L1814] static struct pci_driver driver_ni_670x_pci_driver = {{0, 0}, 0, (struct pci_device_id const *)(& ni_670x_pci_table), & driver_ni_670x_pci_probe, & driver_ni_670x_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}}}; [L1838] static struct comedi_lrange range_0_20mA = {1, {{0, 20000000, 1U}}}; [L2077] 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_ni_670x={-1111441422:0}, driver_ni_670x_pci_driver={-1673429002:0}, LDV_IN_INTERRUPT=0, ni_670x_boards={-1648230746:0}, ni_670x_pci_table={-1111441934:0}, range_0_20mA={-1723728667:0}] [L2080] struct comedi_device *var_group1 ; [L2081] struct comedi_devconfig *var_group2 ; [L2082] int tmp ; [L2083] int tmp___0 ; [L2084] int tmp___1 ; [L2086] 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_ni_670x={-1111441422:0}, driver_ni_670x_pci_driver={-1673429002:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={-1648230746:0}, ni_670x_pci_table={-1111441934:0}, range_0_20mA={-1723728667:0}] [L1817] int retval ; [L1818] int tmp ; [L2175] return __VERIFIER_nondet_int(); [L1820] retval = comedi_driver_register(& driver_ni_670x) [L1821] COND TRUE retval < 0 [L1822] 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_ni_670x={-1111441422:0}, driver_ni_670x_pci_driver={-1673429002:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={-1648230746:0}, ni_670x_pci_table={-1111441934:0}, range_0_20mA={-1723728667:0}] [L2089] tmp = driver_ni_670x_init_module() [L2090] 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_ni_670x={-1111441422:0}, driver_ni_670x_pci_driver={-1673429002:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={-1648230746:0}, ni_670x_pci_table={-1111441934:0}, range_0_20mA={-1723728667:0}] [L2140] int tmp ; [L2141] int tmp___0 ; [L2142] int tmp___1 ; [L2211] return __VERIFIER_nondet_int(); [L2144] tmp = ldv_module_license() [L2145] 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_ni_670x={-1111441422:0}, driver_ni_670x_pci_driver={-1673429002:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={-1648230746:0}, ni_670x_pci_table={-1111441934:0}, range_0_20mA={-1723728667:0}] [L2126] __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_ni_670x={-1111441422:0}, driver_ni_670x_pci_driver={-1673429002:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={-1648230746:0}, ni_670x_pci_table={-1111441934:0}, range_0_20mA={-1723728667:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 3 error locations. Result: UNSAFE, OverallTime: 2.8s, 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=227occurred 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, 1.1s 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...