./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/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/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/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 86db868de464ca4d354a7334d32f29ea52855124 .......................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/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/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/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 86db868de464ca4d354a7334d32f29ea52855124 ................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:58:39,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:58:39,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:58:39,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:58:39,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:58:39,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:58:39,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:58:39,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:58:39,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:58:39,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:58:39,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:58:39,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:58:39,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:58:39,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:58:39,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:58:39,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:58:39,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:58:39,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:58:39,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:58:39,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:58:39,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:58:39,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:58:39,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:58:39,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:58:39,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:58:39,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:58:39,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:58:39,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:58:39,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:58:39,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:58:39,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:58:39,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:58:39,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:58:39,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:58:39,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:58:39,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:58:39,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:58:39,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:58:39,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:58:39,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:58:39,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:58:39,300 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-10-22 08:58:39,310 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:58:39,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:58:39,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:58:39,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:58:39,312 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:58:39,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:58:39,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:58:39,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:58:39,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:58:39,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:58:39,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:58:39,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:58:39,313 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:58:39,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:58:39,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:58:39,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:58:39,314 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:58:39,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:58:39,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:58:39,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:58:39,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:58:39,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:58:39,315 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:58:39,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:58:39,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:58:39,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 08:58:39,315 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/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/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 -> 86db868de464ca4d354a7334d32f29ea52855124 [2019-10-22 08:58:39,347 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:58:39,365 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:58:39,370 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:58:39,372 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:58:39,372 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:58:39,373 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/bin/uautomizer/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-10-22 08:58:39,420 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/bin/uautomizer/data/692b01cb7/0f63e981177444f8a1aba21251e093a7/FLAGcc41b1553 [2019-10-22 08:58:39,960 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:58:39,961 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-10-22 08:58:39,989 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/bin/uautomizer/data/692b01cb7/0f63e981177444f8a1aba21251e093a7/FLAGcc41b1553 [2019-10-22 08:58:40,399 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/bin/uautomizer/data/692b01cb7/0f63e981177444f8a1aba21251e093a7 [2019-10-22 08:58:40,402 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:58:40,403 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:58:40,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:40,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:58:40,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:58:40,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:40" (1/1) ... [2019-10-22 08:58:40,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4460cb2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:40, skipping insertion in model container [2019-10-22 08:58:40,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:40" (1/1) ... [2019-10-22 08:58:40,418 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:58:40,472 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:58:41,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:41,161 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:58:41,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:41,422 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:58:41,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:41 WrapperNode [2019-10-22 08:58:41,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:41,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:41,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:58:41,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:58:41,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:41" (1/1) ... [2019-10-22 08:58:41,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:41" (1/1) ... [2019-10-22 08:58:41,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:41,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:58:41,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:58:41,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:58:41,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:41" (1/1) ... [2019-10-22 08:58:41,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:41" (1/1) ... [2019-10-22 08:58:41,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:41" (1/1) ... [2019-10-22 08:58:41,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:41" (1/1) ... [2019-10-22 08:58:41,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:41" (1/1) ... [2019-10-22 08:58:41,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:41" (1/1) ... [2019-10-22 08:58:41,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:41" (1/1) ... [2019-10-22 08:58:41,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:58:41,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:58:41,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:58:41,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:58:41,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/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 [2019-10-22 08:58:41,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 08:58:41,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:58:41,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:58:41,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 08:58:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:58:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 08:58:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:58:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:58:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 08:58:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:58:41,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:58:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-10-22 08:58:45,163 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:58:45,164 INFO L284 CfgBuilder]: Removed 159 assume(true) statements. [2019-10-22 08:58:45,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:45 BoogieIcfgContainer [2019-10-22 08:58:45,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:58:45,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:58:45,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:58:45,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:58:45,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:58:40" (1/3) ... [2019-10-22 08:58:45,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250a4b6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:45, skipping insertion in model container [2019-10-22 08:58:45,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:41" (2/3) ... [2019-10-22 08:58:45,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250a4b6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:45, skipping insertion in model container [2019-10-22 08:58:45,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:45" (3/3) ... [2019-10-22 08:58:45,175 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-10-22 08:58:45,185 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:58:45,193 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:58:45,207 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:58:45,230 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:58:45,230 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:58:45,230 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:58:45,230 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:58:45,230 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:58:45,231 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:58:45,231 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:58:45,231 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:58:45,249 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2019-10-22 08:58:45,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 08:58:45,258 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:45,259 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:45,261 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:45,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:45,269 INFO L82 PathProgramCache]: Analyzing trace with hash -618862676, now seen corresponding path program 1 times [2019-10-22 08:58:45,277 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:45,277 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892670352] [2019-10-22 08:58:45,277 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:45,278 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:45,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:45,828 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:45,829 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 08:58:45,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 08:58:45,861 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 08:58:45,861 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 08:58:45,862 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 08:58:45,862 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 08:58:45,862 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 08:58:45,862 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 08:58:45,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 08:58:45,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 08:58:45,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 08:58:45,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 08:58:45,865 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 08:58:45,865 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 08:58:45,865 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 08:58:45,872 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 08:58:45,873 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 08:58:45,873 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 08:58:45,873 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 08:58:45,873 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 08:58:45,874 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 08:58:45,874 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 08:58:45,874 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 08:58:45,874 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 08:58:45,875 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 08:58:45,875 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 08:58:45,875 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 08:58:45,875 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 08:58:45,875 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 08:58:45,876 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 08:58:45,876 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 08:58:45,876 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 08:58:45,877 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 08:58:45,877 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 08:58:45,877 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 08:58:45,879 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 08:58:45,880 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 08:58:45,880 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 08:58:45,880 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 08:58:45,880 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 08:58:45,881 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 08:58:45,881 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 08:58:45,881 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 08:58:45,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:58:45 BoogieIcfgContainer [2019-10-22 08:58:45,894 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:58:45,895 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:58:45,895 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:58:45,895 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:58:45,896 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:45" (3/4) ... [2019-10-22 08:58:45,902 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:58:45,902 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:58:45,905 INFO L168 Benchmark]: Toolchain (without parser) took 5500.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -119.1 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:45,905 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:45,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1019.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -150.4 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:45,907 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.97 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: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:45,907 INFO L168 Benchmark]: Boogie Preprocessor took 107.72 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:45,908 INFO L168 Benchmark]: RCFGBuilder took 3494.49 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: -46.3 MB). Peak memory consumption was 209.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:45,908 INFO L168 Benchmark]: TraceAbstraction took 728.17 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: 61.6 MB). Peak memory consumption was 61.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:45,909 INFO L168 Benchmark]: Witness Printer took 7.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:45,913 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 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1019.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -150.4 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 138.97 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: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 107.72 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3494.49 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: -46.3 MB). Peak memory consumption was 209.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 728.17 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: 61.6 MB). Peak memory consumption was 61.6 MB. Max. memory is 11.5 GB. * Witness Printer took 7.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 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!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!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!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!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!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!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!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 2295]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1798. Possible FailurePath: [L1796-L1797] static struct comedi_driver driver_ni6527 = {0, "ni6527", & __this_module, & ni6527_attach, & ni6527_detach, 0U, 0, 0}; [L1798-L1799] static struct ni6527_board const ni6527_boards[2U] = { {11040, "pci-6527"}, {11024, "pxi-6527"}}; [L1800-L1802] static struct pci_device_id const ni6527_pci_table[3U] = { {4243U, 11024U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {4243U, 11040U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {0U, 0U, 0U, 0U, 0U, 0U, 0UL}}; [L1803] struct pci_device_id const __mod_pci_device_table ; [L2203-L2210] static struct pci_driver driver_ni6527_pci_driver = {{0, 0}, 0, (struct pci_device_id const *)(& ni6527_pci_table), & driver_ni6527_pci_probe, & driver_ni6527_pci_remove, 0, 0, 0, 0, 0, 0, {0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}}; [L2238] int LDV_IN_INTERRUPT ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967299:4294967300}, driver_ni6527={-10:0}, driver_ni6527_pci_driver={-1:0}, LDV_IN_INTERRUPT=0, ni6527_boards={-9:0}, ni6527_pci_table={2:0}] [L2241] struct comedi_device *var_group1 ; [L2242] struct comedi_devconfig *var_group2 ; [L2243] int var_ni6527_interrupt_3_p0 ; [L2244] void *var_ni6527_interrupt_3_p1 ; [L2245] int tmp ; [L2246] int tmp___0 ; [L2247] int tmp___1 ; [L2249] LDV_IN_INTERRUPT = 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967299:4294967300}, driver_ni6527={-10:0}, driver_ni6527_pci_driver={-1:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-9:0}, ni6527_pci_table={2:0}] [L2213] int retval ; [L2214] int tmp ; [L2348] return __VERIFIER_nondet_int(); [L2216] retval = comedi_driver_register(& driver_ni6527) [L2217] COND TRUE retval < 0 [L2218] return (retval); VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967299:4294967300}, driver_ni6527={-10:0}, driver_ni6527_pci_driver={-1:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-9:0}, ni6527_pci_table={2:0}] [L2252] tmp = driver_ni6527_init_module() [L2253] COND TRUE tmp != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967299:4294967300}, driver_ni6527={-10:0}, driver_ni6527_pci_driver={-1:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-9:0}, ni6527_pci_table={2:0}] [L2309] int tmp ; [L2310] int tmp___0 ; [L2311] int tmp___1 ; [L2387] return __VERIFIER_nondet_int(); [L2313] tmp = ldv_module_license() [L2314] COND FALSE !(tmp == 1) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967299:4294967300}, driver_ni6527={-10:0}, driver_ni6527_pci_driver={-1:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-9:0}, ni6527_pci_table={2:0}] [L2295] __VERIFIER_error() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967299:4294967300}, driver_ni6527={-10:0}, driver_ni6527_pci_driver={-1:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-9:0}, ni6527_pci_table={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 177 locations, 3 error locations. Result: UNSAFE, OverallTime: 0.6s, 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, 0.2s 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 08:58:47,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:58:47,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:58:47,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:58:47,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:58:47,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:58:47,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:58:47,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:58:47,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:58:47,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:58:47,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:58:47,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:58:47,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:58:47,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:58:47,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:58:47,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:58:47,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:58:47,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:58:47,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:58:47,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:58:47,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:58:47,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:58:47,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:58:47,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:58:47,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:58:47,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:58:47,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:58:47,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:58:47,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:58:47,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:58:47,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:58:47,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:58:47,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:58:47,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:58:47,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:58:47,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:58:47,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:58:47,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:58:47,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:58:47,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:58:47,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:58:47,935 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-10-22 08:58:47,951 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:58:47,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:58:47,955 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:58:47,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:58:47,957 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:58:47,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:58:47,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:58:47,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:58:47,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:58:47,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:58:47,959 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 08:58:47,959 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 08:58:47,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:58:47,959 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:58:47,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:58:47,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:58:47,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:58:47,960 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:58:47,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:58:47,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:58:47,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:58:47,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:58:47,960 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:58:47,961 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 08:58:47,961 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 08:58:47,961 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:58:47,961 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 08:58:47,961 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-10-22 08:58:47,961 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/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/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 -> 86db868de464ca4d354a7334d32f29ea52855124 [2019-10-22 08:58:47,987 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:58:47,997 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:58:48,000 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:58:48,001 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:58:48,001 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:58:48,001 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/bin/uautomizer/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-10-22 08:58:48,047 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/bin/uautomizer/data/5a9c8beaf/29881fb31c754c0bb52c9e5cf0bf6446/FLAGe273dbdbf [2019-10-22 08:58:48,603 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:58:48,606 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-10-22 08:58:48,624 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/bin/uautomizer/data/5a9c8beaf/29881fb31c754c0bb52c9e5cf0bf6446/FLAGe273dbdbf [2019-10-22 08:58:48,855 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/bin/uautomizer/data/5a9c8beaf/29881fb31c754c0bb52c9e5cf0bf6446 [2019-10-22 08:58:48,857 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:58:48,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:58:48,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:48,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:58:48,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:58:48,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:48" (1/1) ... [2019-10-22 08:58:48,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f80b1f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:48, skipping insertion in model container [2019-10-22 08:58:48,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:48" (1/1) ... [2019-10-22 08:58:48,872 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:58:48,930 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:58:49,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:49,589 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:58:49,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:49,825 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:58:49,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:49 WrapperNode [2019-10-22 08:58:49,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:49,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:49,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:58:49,827 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:58:49,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:49" (1/1) ... [2019-10-22 08:58:49,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:49" (1/1) ... [2019-10-22 08:58:49,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:49,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:58:49,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:58:49,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:58:49,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:49" (1/1) ... [2019-10-22 08:58:49,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:49" (1/1) ... [2019-10-22 08:58:49,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:49" (1/1) ... [2019-10-22 08:58:49,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:49" (1/1) ... [2019-10-22 08:58:50,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:49" (1/1) ... [2019-10-22 08:58:50,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:49" (1/1) ... [2019-10-22 08:58:50,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:49" (1/1) ... [2019-10-22 08:58:50,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:58:50,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:58:50,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:58:50,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:58:50,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/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 [2019-10-22 08:58:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-10-22 08:58:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 08:58:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:58:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 08:58:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2019-10-22 08:58:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 08:58:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:58:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 08:58:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 08:58:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-10-22 08:58:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-10-22 08:58:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2019-10-22 08:58:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 08:58:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:58:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:58:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-10-22 08:58:54,032 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:58:54,033 INFO L284 CfgBuilder]: Removed 159 assume(true) statements. [2019-10-22 08:58:54,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:54 BoogieIcfgContainer [2019-10-22 08:58:54,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:58:54,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:58:54,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:58:54,039 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:58:54,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:58:48" (1/3) ... [2019-10-22 08:58:54,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d84b1db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:54, skipping insertion in model container [2019-10-22 08:58:54,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:49" (2/3) ... [2019-10-22 08:58:54,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d84b1db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:54, skipping insertion in model container [2019-10-22 08:58:54,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:54" (3/3) ... [2019-10-22 08:58:54,042 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-staging-comedi-drivers-ni_6527-ko--107_1a--adbbc36-1.i [2019-10-22 08:58:54,052 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:58:54,060 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:58:54,071 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:58:54,094 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:58:54,094 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:58:54,094 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:58:54,095 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:58:54,095 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:58:54,095 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:58:54,095 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:58:54,095 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:58:54,111 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2019-10-22 08:58:54,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 08:58:54,117 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:54,120 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:54,122 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:54,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:54,128 INFO L82 PathProgramCache]: Analyzing trace with hash -618862676, now seen corresponding path program 1 times [2019-10-22 08:58:54,141 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:58:54,141 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [159704759] [2019-10-22 08:58:54,141 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a79104cd-6319-4263-899e-e7ca3c9af0da/bin/uautomizer/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 08:58:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:56,360 INFO L168 tionRefinementEngine]: Strategy WOLF found a feasible trace [2019-10-22 08:58:56,361 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 08:58:56,562 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 08:58:56,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 08:58:56,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 08:58:56,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 08:58:56,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 08:58:56,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 08:58:56,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 08:58:56,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 08:58:56,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 08:58:56,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 08:58:56,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 08:58:56,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 08:58:56,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 08:58:56,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 08:58:56,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 08:58:56,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 08:58:56,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 08:58:56,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 08:58:56,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 08:58:56,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 08:58:56,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 08:58:56,631 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 08:58:56,631 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 08:58:56,632 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 08:58:56,632 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 08:58:56,632 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 08:58:56,632 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 08:58:56,633 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 08:58:56,633 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 08:58:56,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 08:58:56,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 08:58:56,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 08:58:56,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 08:58:56,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 08:58:56,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 08:58:56,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 08:58:56,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 08:58:56,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 08:58:56,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 08:58:56,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-10-22 08:58:56,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-10-22 08:58:56,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-10-22 08:58:56,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-10-22 08:58:56,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:58:56 BoogieIcfgContainer [2019-10-22 08:58:56,645 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:58:56,645 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:58:56,645 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:58:56,646 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:58:56,646 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:54" (3/4) ... [2019-10-22 08:58:56,650 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:58:56,650 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:58:56,652 INFO L168 Benchmark]: Toolchain (without parser) took 7793.51 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 232.3 MB). Free memory was 946.9 MB in the beginning and 1.2 GB in the end (delta: -224.0 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:56,653 INFO L168 Benchmark]: CDTParser took 0.12 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 08:58:56,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 967.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -139.3 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:56,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.16 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:56,655 INFO L168 Benchmark]: Boogie Preprocessor took 76.14 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:56,655 INFO L168 Benchmark]: RCFGBuilder took 3980.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 860.4 MB in the end (delta: 205.8 MB). Peak memory consumption was 205.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:56,656 INFO L168 Benchmark]: TraceAbstraction took 2609.56 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 85.5 MB). Free memory was 860.4 MB in the beginning and 1.2 GB in the end (delta: -310.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:56,656 INFO L168 Benchmark]: Witness Printer took 4.87 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:56,659 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 967.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -139.3 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 150.16 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 76.14 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3980.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 860.4 MB in the end (delta: 205.8 MB). Peak memory consumption was 205.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2609.56 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 85.5 MB). Free memory was 860.4 MB in the beginning and 1.2 GB in the end (delta: -310.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.87 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!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!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!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!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!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!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!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!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!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!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!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 2295]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1798. Possible FailurePath: [L1796-L1797] static struct comedi_driver driver_ni6527 = {0, "ni6527", & __this_module, & ni6527_attach, & ni6527_detach, 0U, 0, 0}; [L1798-L1799] static struct ni6527_board const ni6527_boards[2U] = { {11040, "pci-6527"}, {11024, "pxi-6527"}}; [L1800-L1802] static struct pci_device_id const ni6527_pci_table[3U] = { {4243U, 11024U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {4243U, 11040U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {0U, 0U, 0U, 0U, 0U, 0U, 0UL}}; [L1803] struct pci_device_id const __mod_pci_device_table ; [L2203-L2210] static struct pci_driver driver_ni6527_pci_driver = {{0, 0}, 0, (struct pci_device_id const *)(& ni6527_pci_table), & driver_ni6527_pci_probe, & driver_ni6527_pci_remove, 0, 0, 0, 0, 0, 0, {0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}}; [L2238] int LDV_IN_INTERRUPT ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni6527={-595533823:0}, driver_ni6527_pci_driver={-594155264:0}, LDV_IN_INTERRUPT=0, ni6527_boards={-595533822:0}, ni6527_pci_table={-594499574:0}] [L2241] struct comedi_device *var_group1 ; [L2242] struct comedi_devconfig *var_group2 ; [L2243] int var_ni6527_interrupt_3_p0 ; [L2244] void *var_ni6527_interrupt_3_p1 ; [L2245] int tmp ; [L2246] int tmp___0 ; [L2247] int tmp___1 ; [L2249] LDV_IN_INTERRUPT = 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni6527={-595533823:0}, driver_ni6527_pci_driver={-594155264:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-595533822:0}, ni6527_pci_table={-594499574:0}] [L2213] int retval ; [L2214] int tmp ; [L2348] return __VERIFIER_nondet_int(); [L2216] retval = comedi_driver_register(& driver_ni6527) [L2217] COND TRUE retval < 0 [L2218] return (retval); VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni6527={-595533823:0}, driver_ni6527_pci_driver={-594155264:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-595533822:0}, ni6527_pci_table={-594499574:0}] [L2252] tmp = driver_ni6527_init_module() [L2253] COND TRUE tmp != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni6527={-595533823:0}, driver_ni6527_pci_driver={-594155264:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-595533822:0}, ni6527_pci_table={-594499574:0}] [L2309] int tmp ; [L2310] int tmp___0 ; [L2311] int tmp___1 ; [L2387] return __VERIFIER_nondet_int(); [L2313] tmp = ldv_module_license() [L2314] COND FALSE !(tmp == 1) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni6527={-595533823:0}, driver_ni6527_pci_driver={-594155264:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-595533822:0}, ni6527_pci_table={-594499574:0}] [L2295] __VERIFIER_error() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni6527={-595533823:0}, driver_ni6527_pci_driver={-594155264:0}, LDV_IN_INTERRUPT=1, ni6527_boards={-595533822:0}, ni6527_pci_table={-594499574:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 177 locations, 3 error locations. Result: UNSAFE, OverallTime: 2.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=177occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...