./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/bin/uautomizer/config/AutomizerReach.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/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 15b2cacccc619d9a5ad641c3f1bfc71f8c111b45 ........................................................................................................................................................................................................................................................................................................................................................................................................ 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/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/bin/uautomizer/config/AutomizerReach.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/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 15b2cacccc619d9a5ad641c3f1bfc71f8c111b45 .................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:48:45,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:48:45,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:48:45,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:48:45,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:48:45,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:48:45,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:48:45,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:48:45,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:48:45,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:48:45,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:48:45,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:48:45,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:48:45,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:48:45,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:48:45,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:48:45,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:48:45,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:48:45,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:48:45,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:48:45,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:48:45,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:48:45,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:48:45,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:48:45,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:48:45,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:48:45,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:48:45,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:48:45,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:48:45,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:48:45,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:48:45,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:48:45,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:48:45,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:48:45,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:48:45,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:48:45,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:48:45,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:48:45,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:48:45,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:48:45,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:48:45,995 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-12-07 10:48:46,004 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:48:46,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:48:46,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:48:46,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:48:46,005 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:48:46,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:48:46,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:48:46,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:48:46,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:48:46,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:48:46,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:48:46,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:48:46,006 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:48:46,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:48:46,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:48:46,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:48:46,007 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:48:46,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:48:46,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:48:46,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:48:46,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:48:46,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:48:46,008 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:48:46,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:48:46,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:48:46,008 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:48:46,008 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:48:46,008 INFO L138 SettingsManager]: * To the following directory=dump/ 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/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/bin/uautomizer 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 -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15b2cacccc619d9a5ad641c3f1bfc71f8c111b45 [2019-12-07 10:48:46,106 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:48:46,115 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:48:46,118 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:48:46,119 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:48:46,120 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:48:46,120 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/bin/uautomizer/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-12-07 10:48:46,159 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/bin/uautomizer/data/b5d75276f/ca817fa79f6e41ecae24fc3735b3bf7e/FLAGc22f39433 [2019-12-07 10:48:46,611 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:48:46,612 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-12-07 10:48:46,625 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/bin/uautomizer/data/b5d75276f/ca817fa79f6e41ecae24fc3735b3bf7e/FLAGc22f39433 [2019-12-07 10:48:46,634 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/bin/uautomizer/data/b5d75276f/ca817fa79f6e41ecae24fc3735b3bf7e [2019-12-07 10:48:46,636 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:48:46,636 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:48:46,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:48:46,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:48:46,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:48:46,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:48:46" (1/1) ... [2019-12-07 10:48:46,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@513d65d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:46, skipping insertion in model container [2019-12-07 10:48:46,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:48:46" (1/1) ... [2019-12-07 10:48:46,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:48:46,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:48:47,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:48:47,104 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:48:47,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:48:47,275 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:48:47,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:47 WrapperNode [2019-12-07 10:48:47,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:48:47,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:48:47,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:48:47,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:48:47,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:47" (1/1) ... [2019-12-07 10:48:47,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:47" (1/1) ... [2019-12-07 10:48:47,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:48:47,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:48:47,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:48:47,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:48:47,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:47" (1/1) ... [2019-12-07 10:48:47,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:47" (1/1) ... [2019-12-07 10:48:47,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:47" (1/1) ... [2019-12-07 10:48:47,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:47" (1/1) ... [2019-12-07 10:48:47,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:47" (1/1) ... [2019-12-07 10:48:47,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:47" (1/1) ... [2019-12-07 10:48:47,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:47" (1/1) ... [2019-12-07 10:48:47,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:48:47,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:48:47,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:48:47,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:48:47,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/bin/uautomizer/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 [2019-12-07 10:48:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 10:48:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:48:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 10:48:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 10:48:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 10:48:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 10:48:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 10:48:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 10:48:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 10:48:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:48:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:48:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-12-07 10:48:50,366 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:48:50,366 INFO L287 CfgBuilder]: Removed 159 assume(true) statements. [2019-12-07 10:48:50,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:48:50 BoogieIcfgContainer [2019-12-07 10:48:50,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:48:50,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:48:50,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:48:50,370 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:48:50,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:48:46" (1/3) ... [2019-12-07 10:48:50,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74e820a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:48:50, skipping insertion in model container [2019-12-07 10:48:50,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:47" (2/3) ... [2019-12-07 10:48:50,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74e820a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:48:50, skipping insertion in model container [2019-12-07 10:48:50,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:48:50" (3/3) ... [2019-12-07 10:48:50,372 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-12-07 10:48:50,378 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:48:50,384 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 10:48:50,391 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 10:48:50,408 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:48:50,408 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:48:50,408 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:48:50,408 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:48:50,408 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:48:50,408 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:48:50,408 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:48:50,408 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:48:50,422 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2019-12-07 10:48:50,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 10:48:50,426 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:48:50,426 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:48:50,426 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:48:50,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:48:50,430 INFO L82 PathProgramCache]: Analyzing trace with hash -618862676, now seen corresponding path program 1 times [2019-12-07 10:48:50,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:48:50,437 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566703704] [2019-12-07 10:48:50,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:48:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:48:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:48:50,664 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:48:50,664 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 10:48:50,690 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:48:50,691 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:48:50,691 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:48:50,691 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:48:50,691 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 10:48:50,691 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:48:50,692 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:48:50,693 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:48:50,693 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:48:50,693 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:48:50,694 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 10:48:50,694 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:48:50,694 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:48:50,694 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:48:50,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:48:50,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:48:50,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:48:50,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:48:50,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:48:50,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:48:50,696 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 10:48:50,696 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:48:50,696 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:48:50,696 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:48:50,696 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:48:50,697 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:48:50,697 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:48:50,697 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 10:48:50,697 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:48:50,698 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:48:50,698 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:48:50,698 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:48:50,698 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 10:48:50,698 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:48:50,698 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:48:50,699 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:48:50,699 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:48:50,699 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:48:50,699 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 10:48:50,699 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:48:50,699 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:48:50,699 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:48:50,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:48:50 BoogieIcfgContainer [2019-12-07 10:48:50,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:48:50,706 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:48:50,706 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:48:50,706 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:48:50,707 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:48:50" (3/4) ... [2019-12-07 10:48:50,709 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 10:48:50,709 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:48:50,711 INFO L168 Benchmark]: Toolchain (without parser) took 4073.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 940.9 MB in the beginning and 1.0 GB in the end (delta: -87.7 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:48:50,711 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:48:50,712 INFO L168 Benchmark]: CACSL2BoogieTranslator took 638.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 940.9 MB in the beginning and 1.0 GB in the end (delta: -101.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:48:50,712 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 10:48:50,713 INFO L168 Benchmark]: Boogie Preprocessor took 80.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:48:50,713 INFO L168 Benchmark]: RCFGBuilder took 2913.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -38.0 MB). Peak memory consumption was 209.3 MB. Max. memory is 11.5 GB. [2019-12-07 10:48:50,713 INFO L168 Benchmark]: TraceAbstraction took 338.17 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: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 11.5 GB. [2019-12-07 10:48:50,714 INFO L168 Benchmark]: Witness Printer took 3.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:48:50,716 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 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 638.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 940.9 MB in the beginning and 1.0 GB in the end (delta: -101.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2913.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -38.0 MB). Peak memory consumption was 209.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 338.17 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: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 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!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!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!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!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!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!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!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!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!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!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!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!class * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 2298]: 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 1801. Possible FailurePath: [L1799-L1800] static struct comedi_driver driver_ni6527 = {0, "ni6527", & __this_module, & ni6527_attach, & ni6527_detach, 0U, 0, 0}; [L1801-L1802] static struct ni6527_board const ni6527_boards[2U] = { {11040, "pci-6527"}, {11024, "pxi-6527"}}; [L1803-L1805] 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}}; [L1806] struct pci_device_id const __mod_pci_device_table ; [L2206-L2213] 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}}}; [L2241] 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={4294967296:4294967297}, driver_ni6527={31:0}, driver_ni6527_pci_driver={37:0}, LDV_IN_INTERRUPT=0, ni6527_boards={14:0}, ni6527_pci_table={26:0}] [L2244] struct comedi_device *var_group1 ; [L2245] struct comedi_devconfig *var_group2 ; [L2246] int var_ni6527_interrupt_3_p0 ; [L2247] void *var_ni6527_interrupt_3_p1 ; [L2248] int tmp ; [L2249] int tmp___0 ; [L2250] int tmp___1 ; [L2252] 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={4294967296:4294967297}, driver_ni6527={31:0}, driver_ni6527_pci_driver={37:0}, LDV_IN_INTERRUPT=1, ni6527_boards={14:0}, ni6527_pci_table={26:0}] [L2216] int retval ; [L2217] int tmp ; [L2351] return __VERIFIER_nondet_int(); [L2219] retval = comedi_driver_register(& driver_ni6527) [L2220] COND TRUE retval < 0 [L2221] 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={4294967296:4294967297}, driver_ni6527={31:0}, driver_ni6527_pci_driver={37:0}, LDV_IN_INTERRUPT=1, ni6527_boards={14:0}, ni6527_pci_table={26:0}] [L2255] tmp = driver_ni6527_init_module() [L2256] 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={4294967296:4294967297}, driver_ni6527={31:0}, driver_ni6527_pci_driver={37:0}, LDV_IN_INTERRUPT=1, ni6527_boards={14:0}, ni6527_pci_table={26:0}] [L2312] int tmp ; [L2313] int tmp___0 ; [L2314] int tmp___1 ; [L2390] return __VERIFIER_nondet_int(); [L2316] tmp = ldv_module_license() [L2317] 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={4294967296:4294967297}, driver_ni6527={31:0}, driver_ni6527_pci_driver={37:0}, LDV_IN_INTERRUPT=1, ni6527_boards={14:0}, ni6527_pci_table={26:0}] [L2298] __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={4294967296:4294967297}, driver_ni6527={31:0}, driver_ni6527_pci_driver={37:0}, LDV_IN_INTERRUPT=1, ni6527_boards={14:0}, ni6527_pci_table={26:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 177 locations, 3 error locations. Result: UNSAFE, OverallTime: 0.2s, 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, 0.0s 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 0.1.25-f470102 [2019-12-07 10:48:52,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:48:52,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:48:52,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:48:52,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:48:52,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:48:52,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:48:52,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:48:52,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:48:52,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:48:52,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:48:52,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:48:52,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:48:52,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:48:52,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:48:52,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:48:52,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:48:52,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:48:52,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:48:52,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:48:52,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:48:52,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:48:52,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:48:52,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:48:52,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:48:52,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:48:52,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:48:52,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:48:52,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:48:52,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:48:52,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:48:52,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:48:52,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:48:52,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:48:52,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:48:52,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:48:52,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:48:52,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:48:52,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:48:52,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:48:52,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:48:52,186 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-12-07 10:48:52,199 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:48:52,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:48:52,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:48:52,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:48:52,201 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:48:52,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:48:52,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:48:52,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:48:52,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:48:52,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:48:52,202 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 10:48:52,202 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 10:48:52,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:48:52,202 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:48:52,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:48:52,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:48:52,203 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:48:52,203 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:48:52,203 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:48:52,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:48:52,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:48:52,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:48:52,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:48:52,204 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 10:48:52,205 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 10:48:52,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:48:52,205 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:48:52,205 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:48:52,205 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-12-07 10:48:52,206 INFO L138 SettingsManager]: * To the following directory=dump/ 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/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/bin/uautomizer 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 -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15b2cacccc619d9a5ad641c3f1bfc71f8c111b45 [2019-12-07 10:48:52,369 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:48:52,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:48:52,380 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:48:52,381 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:48:52,382 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:48:52,382 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/bin/uautomizer/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-12-07 10:48:52,422 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/bin/uautomizer/data/4aa1f7938/727e30a57fca4acc8d7e8b58c821e4f3/FLAG3c48de51d [2019-12-07 10:48:52,925 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:48:52,925 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-12-07 10:48:52,939 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/bin/uautomizer/data/4aa1f7938/727e30a57fca4acc8d7e8b58c821e4f3/FLAG3c48de51d [2019-12-07 10:48:53,197 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/bin/uautomizer/data/4aa1f7938/727e30a57fca4acc8d7e8b58c821e4f3 [2019-12-07 10:48:53,201 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:48:53,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:48:53,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:48:53,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:48:53,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:48:53,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:48:53" (1/1) ... [2019-12-07 10:48:53,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7801de6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:53, skipping insertion in model container [2019-12-07 10:48:53,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:48:53" (1/1) ... [2019-12-07 10:48:53,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:48:53,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:48:53,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:48:53,737 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:48:53,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:48:53,908 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:48:53,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:53 WrapperNode [2019-12-07 10:48:53,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:48:53,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:48:53,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:48:53,910 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:48:53,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:53" (1/1) ... [2019-12-07 10:48:53,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:53" (1/1) ... [2019-12-07 10:48:54,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:48:54,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:48:54,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:48:54,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:48:54,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:53" (1/1) ... [2019-12-07 10:48:54,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:53" (1/1) ... [2019-12-07 10:48:54,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:53" (1/1) ... [2019-12-07 10:48:54,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:53" (1/1) ... [2019-12-07 10:48:54,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:53" (1/1) ... [2019-12-07 10:48:54,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:53" (1/1) ... [2019-12-07 10:48:54,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:53" (1/1) ... [2019-12-07 10:48:54,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:48:54,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:48:54,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:48:54,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:48:54,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/bin/uautomizer/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 [2019-12-07 10:48:54,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-12-07 10:48:54,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 10:48:54,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:48:54,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 10:48:54,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2019-12-07 10:48:54,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 10:48:54,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 10:48:54,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 10:48:54,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 10:48:54,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 10:48:54,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-12-07 10:48:54,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2019-12-07 10:48:54,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 10:48:54,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:48:54,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:48:54,143 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-12-07 10:48:57,560 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:48:57,561 INFO L287 CfgBuilder]: Removed 159 assume(true) statements. [2019-12-07 10:48:57,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:48:57 BoogieIcfgContainer [2019-12-07 10:48:57,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:48:57,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:48:57,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:48:57,566 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:48:57,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:48:53" (1/3) ... [2019-12-07 10:48:57,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f48168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:48:57, skipping insertion in model container [2019-12-07 10:48:57,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:48:53" (2/3) ... [2019-12-07 10:48:57,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f48168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:48:57, skipping insertion in model container [2019-12-07 10:48:57,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:48:57" (3/3) ... [2019-12-07 10:48:57,570 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-12-07 10:48:57,579 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:48:57,585 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 10:48:57,596 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 10:48:57,618 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:48:57,618 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:48:57,618 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:48:57,618 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:48:57,619 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:48:57,619 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:48:57,619 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:48:57,619 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:48:57,636 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2019-12-07 10:48:57,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 10:48:57,640 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:48:57,641 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:48:57,641 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:48:57,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:48:57,645 INFO L82 PathProgramCache]: Analyzing trace with hash -618862676, now seen corresponding path program 1 times [2019-12-07 10:48:57,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 10:48:57,654 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1676760324] [2019-12-07 10:48:57,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3242b12a-b1e1-4d4a-8bea-3090a2d56306/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 10:48:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:48:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:48:59,301 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 10:48:59,302 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 10:48:59,503 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 10:48:59,553 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:48:59,555 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:48:59,555 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:48:59,556 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:48:59,556 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 10:48:59,556 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:48:59,556 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:48:59,558 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:48:59,558 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:48:59,558 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:48:59,558 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 10:48:59,559 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:48:59,559 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:48:59,559 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:48:59,560 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:48:59,560 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:48:59,560 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:48:59,560 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:48:59,561 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 10:48:59,561 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:48:59,561 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:48:59,562 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:48:59,562 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:48:59,562 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 10:48:59,562 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:48:59,563 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:48:59,563 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:48:59,563 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:48:59,564 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:48:59,564 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:48:59,564 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 10:48:59,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:48:59,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:48:59,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:48:59,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:48:59,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:48:59,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 10:48:59,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 10:48:59,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:48:59,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:48:59,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 10:48:59,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 10:48:59,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:48:59 BoogieIcfgContainer [2019-12-07 10:48:59,575 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:48:59,575 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:48:59,575 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:48:59,576 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:48:59,576 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:48:57" (3/4) ... [2019-12-07 10:48:59,579 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 10:48:59,579 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:48:59,580 INFO L168 Benchmark]: Toolchain (without parser) took 6378.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.7 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -210.0 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 10:48:59,581 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:48:59,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -130.0 MB). Peak memory consumption was 35.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:48:59,582 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.51 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. [2019-12-07 10:48:59,582 INFO L168 Benchmark]: Boogie Preprocessor took 81.01 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-12-07 10:48:59,583 INFO L168 Benchmark]: RCFGBuilder took 3471.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 850.6 MB in the end (delta: 205.0 MB). Peak memory consumption was 205.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:48:59,583 INFO L168 Benchmark]: TraceAbstraction took 2011.98 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.6 MB). Free memory was 850.6 MB in the beginning and 1.2 GB in the end (delta: -305.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:48:59,584 INFO L168 Benchmark]: Witness Printer took 3.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:48:59,586 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 705.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -130.0 MB). Peak memory consumption was 35.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.51 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 81.01 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3471.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 850.6 MB in the end (delta: 205.0 MB). Peak memory consumption was 205.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2011.98 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.6 MB). Free memory was 850.6 MB in the beginning and 1.2 GB in the end (delta: -305.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.66 ms. Allocated memory is still 1.2 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!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!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!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!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!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!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!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!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!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!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!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!class * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 2298]: 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 1801. Possible FailurePath: [L1799-L1800] static struct comedi_driver driver_ni6527 = {0, "ni6527", & __this_module, & ni6527_attach, & ni6527_detach, 0U, 0, 0}; [L1801-L1802] static struct ni6527_board const ni6527_boards[2U] = { {11040, "pci-6527"}, {11024, "pxi-6527"}}; [L1803-L1805] 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}}; [L1806] struct pci_device_id const __mod_pci_device_table ; [L2206-L2213] 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}}}; [L2241] 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={34:0}, driver_ni6527_pci_driver={38:0}, LDV_IN_INTERRUPT=0, ni6527_boards={32:0}, ni6527_pci_table={6:0}] [L2244] struct comedi_device *var_group1 ; [L2245] struct comedi_devconfig *var_group2 ; [L2246] int var_ni6527_interrupt_3_p0 ; [L2247] void *var_ni6527_interrupt_3_p1 ; [L2248] int tmp ; [L2249] int tmp___0 ; [L2250] int tmp___1 ; [L2252] 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={34:0}, driver_ni6527_pci_driver={38:0}, LDV_IN_INTERRUPT=1, ni6527_boards={32:0}, ni6527_pci_table={6:0}] [L2216] int retval ; [L2217] int tmp ; [L2351] return __VERIFIER_nondet_int(); [L2219] retval = comedi_driver_register(& driver_ni6527) [L2220] COND TRUE retval < 0 [L2221] 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={34:0}, driver_ni6527_pci_driver={38:0}, LDV_IN_INTERRUPT=1, ni6527_boards={32:0}, ni6527_pci_table={6:0}] [L2255] tmp = driver_ni6527_init_module() [L2256] 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={34:0}, driver_ni6527_pci_driver={38:0}, LDV_IN_INTERRUPT=1, ni6527_boards={32:0}, ni6527_pci_table={6:0}] [L2312] int tmp ; [L2313] int tmp___0 ; [L2314] int tmp___1 ; [L2390] return __VERIFIER_nondet_int(); [L2316] tmp = ldv_module_license() [L2317] 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={34:0}, driver_ni6527_pci_driver={38:0}, LDV_IN_INTERRUPT=1, ni6527_boards={32:0}, ni6527_pci_table={6:0}] [L2298] __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={34:0}, driver_ni6527_pci_driver={38:0}, LDV_IN_INTERRUPT=1, ni6527_boards={32:0}, ni6527_pci_table={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 177 locations, 3 error locations. Result: UNSAFE, OverallTime: 1.8s, 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=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, 0.5s 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...