./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_281080a7-a348-40b6-b431-a919b0b141d6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_281080a7-a348-40b6-b431-a919b0b141d6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_281080a7-a348-40b6-b431-a919b0b141d6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_281080a7-a348-40b6-b431-a919b0b141d6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_281080a7-a348-40b6-b431-a919b0b141d6/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_281080a7-a348-40b6-b431-a919b0b141d6/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 52352ebe0b2bc54cdf70f1c00579114e8efddf9c ........................................................................................................................................................................................................................................................................................................................................................................................................... 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_281080a7-a348-40b6-b431-a919b0b141d6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_281080a7-a348-40b6-b431-a919b0b141d6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_281080a7-a348-40b6-b431-a919b0b141d6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_281080a7-a348-40b6-b431-a919b0b141d6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_281080a7-a348-40b6-b431-a919b0b141d6/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_281080a7-a348-40b6-b431-a919b0b141d6/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 52352ebe0b2bc54cdf70f1c00579114e8efddf9c ...................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:05:35,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:05:35,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:05:35,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:05:35,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:05:35,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:05:35,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:05:35,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:05:35,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:05:35,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:05:35,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:05:35,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:05:35,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:05:35,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:05:35,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:05:35,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:05:35,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:05:35,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:05:35,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:05:35,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:05:35,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:05:35,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:05:35,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:05:35,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:05:35,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:05:35,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:05:35,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:05:35,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:05:35,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:05:35,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:05:35,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:05:35,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:05:35,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:05:35,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:05:35,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:05:35,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:05:35,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:05:35,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:05:35,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:05:35,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:05:35,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:05:35,485 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_281080a7-a348-40b6-b431-a919b0b141d6/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-12-07 17:05:35,494 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:05:35,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:05:35,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:05:35,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:05:35,495 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:05:35,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:05:35,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:05:35,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:05:35,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:05:35,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:05:35,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:05:35,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:05:35,496 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:05:35,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:05:35,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:05:35,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:05:35,496 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:05:35,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:05:35,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:05:35,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:05:35,497 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:05:35,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:05:35,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:05:35,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:05:35,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:05:35,497 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:05:35,497 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 17:05:35,498 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_281080a7-a348-40b6-b431-a919b0b141d6/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 -> 52352ebe0b2bc54cdf70f1c00579114e8efddf9c [2019-12-07 17:05:35,598 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:05:35,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:05:35,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:05:35,612 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:05:35,613 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:05:35,613 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_281080a7-a348-40b6-b431-a919b0b141d6/bin/uautomizer/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36-1.i [2019-12-07 17:05:35,656 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_281080a7-a348-40b6-b431-a919b0b141d6/bin/uautomizer/data/47d12ccb7/d454e92e0e95482e956f7c76d1185868/FLAG38303228b [2019-12-07 17:05:36,066 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:05:36,067 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_281080a7-a348-40b6-b431-a919b0b141d6/sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36-1.i [2019-12-07 17:05:36,080 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_281080a7-a348-40b6-b431-a919b0b141d6/bin/uautomizer/data/47d12ccb7/d454e92e0e95482e956f7c76d1185868/FLAG38303228b [2019-12-07 17:05:36,088 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_281080a7-a348-40b6-b431-a919b0b141d6/bin/uautomizer/data/47d12ccb7/d454e92e0e95482e956f7c76d1185868 [2019-12-07 17:05:36,090 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:05:36,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:05:36,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:05:36,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:05:36,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:05:36,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:05:36" (1/1) ... [2019-12-07 17:05:36,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76129cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:36, skipping insertion in model container [2019-12-07 17:05:36,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:05:36" (1/1) ... [2019-12-07 17:05:36,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:05:36,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:05:36,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:05:36,537 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:05:36,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:05:36,656 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:05:36,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:36 WrapperNode [2019-12-07 17:05:36,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:05:36,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:05:36,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:05:36,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:05:36,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:36" (1/1) ... [2019-12-07 17:05:36,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:36" (1/1) ... [2019-12-07 17:05:36,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:05:36,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:05:36,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:05:36,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:05:36,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:36" (1/1) ... [2019-12-07 17:05:36,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:36" (1/1) ... [2019-12-07 17:05:36,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:36" (1/1) ... [2019-12-07 17:05:36,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:36" (1/1) ... [2019-12-07 17:05:36,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:36" (1/1) ... [2019-12-07 17:05:36,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:36" (1/1) ... [2019-12-07 17:05:36,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:36" (1/1) ... [2019-12-07 17:05:36,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:05:36,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:05:36,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:05:36,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:05:36,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281080a7-a348-40b6-b431-a919b0b141d6/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 17:05:36,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 17:05:36,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:05:36,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:05:36,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 17:05:36,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:05:36,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 17:05:36,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:05:36,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 17:05:36,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 17:05:36,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:05:36,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:05:36,842 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-12-07 17:05:37,796 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:05:37,797 INFO L287 CfgBuilder]: Removed 185 assume(true) statements. [2019-12-07 17:05:37,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:05:37 BoogieIcfgContainer [2019-12-07 17:05:37,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:05:37,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:05:37,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:05:37,801 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:05:37,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:05:36" (1/3) ... [2019-12-07 17:05:37,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1072ab93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:05:37, skipping insertion in model container [2019-12-07 17:05:37,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:36" (2/3) ... [2019-12-07 17:05:37,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1072ab93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:05:37, skipping insertion in model container [2019-12-07 17:05:37,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:05:37" (3/3) ... [2019-12-07 17:05:37,803 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36-1.i [2019-12-07 17:05:37,810 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:05:37,815 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 17:05:37,823 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 17:05:37,842 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:05:37,842 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:05:37,842 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:05:37,842 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:05:37,842 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:05:37,842 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:05:37,842 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:05:37,842 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:05:37,857 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-12-07 17:05:37,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 17:05:37,861 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:05:37,862 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:05:37,862 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:05:37,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:37,866 INFO L82 PathProgramCache]: Analyzing trace with hash -612151764, now seen corresponding path program 1 times [2019-12-07 17:05:37,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:05:37,872 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995971657] [2019-12-07 17:05:37,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:05:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:38,110 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:05:38,110 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 17:05:38,137 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 17:05:38,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 17:05:38,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 17:05:38,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 17:05:38,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 17:05:38,140 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 17:05:38,140 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 17:05:38,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 17:05:38,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 17:05:38,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 17:05:38,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 17:05:38,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 17:05:38,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 17:05:38,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 17:05:38,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 17:05:38,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 17:05:38,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 17:05:38,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 17:05:38,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 17:05:38,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 17:05:38,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 17:05:38,145 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 17:05:38,145 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 17:05:38,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 17:05:38,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 17:05:38,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 17:05:38,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 17:05:38,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 17:05:38,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 17:05:38,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 17:05:38,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 17:05:38,147 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 17:05:38,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 17:05:38,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 17:05:38,148 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 17:05:38,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 17:05:38,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 17:05:38,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 17:05:38,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 17:05:38,149 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 17:05:38,150 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 17:05:38,150 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 17:05:38,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:05:38 BoogieIcfgContainer [2019-12-07 17:05:38,156 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:05:38,157 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:05:38,157 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:05:38,157 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:05:38,157 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:05:37" (3/4) ... [2019-12-07 17:05:38,160 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:05:38,160 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:05:38,161 INFO L168 Benchmark]: Toolchain (without parser) took 2069.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 938.0 MB in the beginning and 848.0 MB in the end (delta: 90.0 MB). Peak memory consumption was 190.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:05:38,162 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:05:38,162 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -113.2 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:05:38,163 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.34 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:05:38,163 INFO L168 Benchmark]: Boogie Preprocessor took 62.79 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 17:05:38,164 INFO L168 Benchmark]: RCFGBuilder took 1006.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 880.2 MB in the end (delta: 153.6 MB). Peak memory consumption was 153.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:05:38,164 INFO L168 Benchmark]: TraceAbstraction took 357.97 ms. Allocated memory is still 1.1 GB. Free memory was 880.2 MB in the beginning and 848.0 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:05:38,164 INFO L168 Benchmark]: Witness Printer took 3.15 ms. Allocated memory is still 1.1 GB. Free memory is still 848.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:05:38,167 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 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 564.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -113.2 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.34 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.79 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. * RCFGBuilder took 1006.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 880.2 MB in the end (delta: 153.6 MB). Peak memory consumption was 153.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 357.97 ms. Allocated memory is still 1.1 GB. Free memory was 880.2 MB in the beginning and 848.0 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.15 ms. Allocated memory is still 1.1 GB. Free memory is still 848.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!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!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!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!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!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!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!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 2129]: 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 1781. Possible FailurePath: [L1781-L1783] static struct ni_670x_board const ni_670x_boards[3U] = { {11408U, "PCI-6703", 16U, 16U}, {6432U, "PXI-6704", 32U, 16U}, {4752U, "PCI-6704", 32U, 16U}}; [L1784-L1786] static struct pci_device_id const ni_670x_pci_table[3U] = { {4243U, 11408U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {4243U, 6432U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {0U, 0U, 0U, 0U, 0U, 0U, 0UL}}; [L1787] struct pci_device_id const __mod_pci_device_table ; [L1790-L1791] static struct comedi_driver driver_ni_670x = {0, "ni_670x", & __this_module, & ni_670x_attach, & ni_670x_detach, 0U, 0, 0}; [L1807-L1817] static struct pci_driver driver_ni_670x_pci_driver = {{0, 0}, 0, (struct pci_device_id const *)(& ni_670x_pci_table), & driver_ni_670x_pci_probe, & driver_ni_670x_pci_remove, 0, 0, 0, 0, 0, 0, {0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}}; [L1841] static struct comedi_lrange range_0_20mA = {1, {{0, 20000000, 1U}}}; [L2080] 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={4294967297:4294967296}, driver_ni_670x={41:0}, driver_ni_670x_pci_driver={19:0}, LDV_IN_INTERRUPT=0, ni_670x_boards={35:0}, ni_670x_pci_table={27:0}, range_0_20mA={39:0}] [L2083] struct comedi_device *var_group1 ; [L2084] struct comedi_devconfig *var_group2 ; [L2085] int tmp ; [L2086] int tmp___0 ; [L2087] int tmp___1 ; [L2089] 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={4294967297:4294967296}, driver_ni_670x={41:0}, driver_ni_670x_pci_driver={19:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={35:0}, ni_670x_pci_table={27:0}, range_0_20mA={39:0}] [L1820] int retval ; [L1821] int tmp ; [L2178] return __VERIFIER_nondet_int(); [L1823] retval = comedi_driver_register(& driver_ni_670x) [L1824] COND TRUE retval < 0 [L1825] 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={4294967297:4294967296}, driver_ni_670x={41:0}, driver_ni_670x_pci_driver={19:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={35:0}, ni_670x_pci_table={27:0}, range_0_20mA={39:0}] [L2092] tmp = driver_ni_670x_init_module() [L2093] 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={4294967297:4294967296}, driver_ni_670x={41:0}, driver_ni_670x_pci_driver={19:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={35:0}, ni_670x_pci_table={27:0}, range_0_20mA={39:0}] [L2143] int tmp ; [L2144] int tmp___0 ; [L2145] int tmp___1 ; [L2214] return __VERIFIER_nondet_int(); [L2147] tmp = ldv_module_license() [L2148] 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={4294967297:4294967296}, driver_ni_670x={41:0}, driver_ni_670x_pci_driver={19:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={35:0}, ni_670x_pci_table={27:0}, range_0_20mA={39:0}] [L2129] __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={4294967297:4294967296}, driver_ni_670x={41:0}, driver_ni_670x_pci_driver={19:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={35:0}, ni_670x_pci_table={27:0}, range_0_20mA={39:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 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=227occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s 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 17:05:39,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:05:39,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:05:39,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:05:39,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:05:39,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:05:39,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:05:39,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:05:39,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:05:39,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:05:39,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:05:39,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:05:39,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:05:39,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:05:39,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:05:39,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:05:39,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:05:39,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:05:39,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:05:39,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:05:39,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:05:39,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:05:39,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:05:39,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:05:39,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:05:39,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:05:39,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:05:39,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:05:39,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:05:39,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:05:39,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:05:39,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:05:39,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:05:39,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:05:39,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:05:39,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:05:39,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:05:39,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:05:39,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:05:39,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:05:39,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:05:39,664 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_281080a7-a348-40b6-b431-a919b0b141d6/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-12-07 17:05:39,676 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:05:39,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:05:39,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:05:39,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:05:39,678 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:05:39,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:05:39,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:05:39,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:05:39,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:05:39,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:05:39,679 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 17:05:39,679 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 17:05:39,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:05:39,679 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:05:39,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:05:39,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:05:39,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:05:39,680 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:05:39,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:05:39,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:05:39,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:05:39,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:05:39,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:05:39,681 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 17:05:39,681 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 17:05:39,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:05:39,681 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:05:39,681 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 17:05:39,681 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-12-07 17:05:39,682 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_281080a7-a348-40b6-b431-a919b0b141d6/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 -> 52352ebe0b2bc54cdf70f1c00579114e8efddf9c [2019-12-07 17:05:39,840 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:05:39,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:05:39,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:05:39,851 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:05:39,852 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:05:39,852 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_281080a7-a348-40b6-b431-a919b0b141d6/bin/uautomizer/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36-1.i [2019-12-07 17:05:39,890 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_281080a7-a348-40b6-b431-a919b0b141d6/bin/uautomizer/data/5254b1ba5/4033557d5aea43a190e4b8223eb6d086/FLAGa9c76b5e5 [2019-12-07 17:05:40,370 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:05:40,370 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_281080a7-a348-40b6-b431-a919b0b141d6/sv-benchmarks/c/ldv-commit-tester/m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36-1.i [2019-12-07 17:05:40,384 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_281080a7-a348-40b6-b431-a919b0b141d6/bin/uautomizer/data/5254b1ba5/4033557d5aea43a190e4b8223eb6d086/FLAGa9c76b5e5 [2019-12-07 17:05:40,662 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_281080a7-a348-40b6-b431-a919b0b141d6/bin/uautomizer/data/5254b1ba5/4033557d5aea43a190e4b8223eb6d086 [2019-12-07 17:05:40,666 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:05:40,668 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:05:40,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:05:40,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:05:40,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:05:40,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:05:40" (1/1) ... [2019-12-07 17:05:40,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36623ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:40, skipping insertion in model container [2019-12-07 17:05:40,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:05:40" (1/1) ... [2019-12-07 17:05:40,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:05:40,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:05:41,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:05:41,100 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:05:41,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:05:41,232 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:05:41,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:41 WrapperNode [2019-12-07 17:05:41,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:05:41,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:05:41,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:05:41,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:05:41,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:41" (1/1) ... [2019-12-07 17:05:41,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:41" (1/1) ... [2019-12-07 17:05:41,306 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:05:41,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:05:41,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:05:41,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:05:41,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:41" (1/1) ... [2019-12-07 17:05:41,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:41" (1/1) ... [2019-12-07 17:05:41,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:41" (1/1) ... [2019-12-07 17:05:41,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:41" (1/1) ... [2019-12-07 17:05:41,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:41" (1/1) ... [2019-12-07 17:05:41,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:41" (1/1) ... [2019-12-07 17:05:41,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:41" (1/1) ... [2019-12-07 17:05:41,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:05:41,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:05:41,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:05:41,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:05:41,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281080a7-a348-40b6-b431-a919b0b141d6/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 17:05:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-12-07 17:05:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 17:05:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:05:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 17:05:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2019-12-07 17:05:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 17:05:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:05:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 17:05:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 17:05:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2019-12-07 17:05:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 17:05:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-12-07 17:05:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2019-12-07 17:05:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 17:05:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:05:41,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:05:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2019-12-07 17:05:45,189 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:05:45,189 INFO L287 CfgBuilder]: Removed 185 assume(true) statements. [2019-12-07 17:05:45,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:05:45 BoogieIcfgContainer [2019-12-07 17:05:45,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:05:45,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:05:45,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:05:45,193 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:05:45,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:05:40" (1/3) ... [2019-12-07 17:05:45,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38e87c9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:05:45, skipping insertion in model container [2019-12-07 17:05:45,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:05:41" (2/3) ... [2019-12-07 17:05:45,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38e87c9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:05:45, skipping insertion in model container [2019-12-07 17:05:45,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:05:45" (3/3) ... [2019-12-07 17:05:45,195 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-staging-comedi-drivers-ni_670x-ko--107_1a--adbbc36-1.i [2019-12-07 17:05:45,202 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:05:45,207 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 17:05:45,215 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 17:05:45,232 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:05:45,232 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:05:45,232 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:05:45,232 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:05:45,233 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:05:45,233 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:05:45,233 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:05:45,233 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:05:45,247 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-12-07 17:05:45,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 17:05:45,251 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:05:45,251 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:05:45,251 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:05:45,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:05:45,255 INFO L82 PathProgramCache]: Analyzing trace with hash -612151764, now seen corresponding path program 1 times [2019-12-07 17:05:45,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:05:45,264 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [39073120] [2019-12-07 17:05:45,264 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281080a7-a348-40b6-b431-a919b0b141d6/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 17:05:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:05:47,039 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 17:05:47,039 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 17:05:47,240 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 17:05:47,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 17:05:47,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 17:05:47,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 17:05:47,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 17:05:47,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 17:05:47,274 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 17:05:47,274 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 17:05:47,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 17:05:47,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 17:05:47,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 17:05:47,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 17:05:47,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 17:05:47,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 17:05:47,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 17:05:47,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 17:05:47,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 17:05:47,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 17:05:47,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 17:05:47,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 17:05:47,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 17:05:47,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 17:05:47,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 17:05:47,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 17:05:47,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 17:05:47,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 17:05:47,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 17:05:47,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 17:05:47,281 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 17:05:47,282 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 17:05:47,282 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 17:05:47,282 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 17:05:47,282 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 17:05:47,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 17:05:47,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 17:05:47,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 17:05:47,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 17:05:47,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 17:05:47,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 17:05:47,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!vendor [2019-12-07 17:05:47,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!device [2019-12-07 17:05:47,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!class [2019-12-07 17:05:47,286 WARN L1295 BoogieBacktranslator]: unknown boogie variable ~__mod_pci_device_table~0!driver_data [2019-12-07 17:05:47,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:05:47 BoogieIcfgContainer [2019-12-07 17:05:47,294 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:05:47,294 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:05:47,294 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:05:47,295 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:05:47,295 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:05:45" (3/4) ... [2019-12-07 17:05:47,298 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:05:47,298 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:05:47,300 INFO L168 Benchmark]: Toolchain (without parser) took 6632.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 947.0 MB in the beginning and 846.4 MB in the end (delta: 100.6 MB). Peak memory consumption was 235.3 MB. Max. memory is 11.5 GB. [2019-12-07 17:05:47,301 INFO L168 Benchmark]: CDTParser took 0.15 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 17:05:47,302 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:05:47,302 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.17 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:05:47,303 INFO L168 Benchmark]: Boogie Preprocessor took 68.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:05:47,304 INFO L168 Benchmark]: RCFGBuilder took 3815.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 919.4 MB in the end (delta: 153.8 MB). Peak memory consumption was 153.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:05:47,304 INFO L168 Benchmark]: TraceAbstraction took 2102.94 ms. Allocated memory is still 1.2 GB. Free memory was 919.4 MB in the beginning and 846.4 MB in the end (delta: 73.0 MB). Peak memory consumption was 73.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:05:47,305 INFO L168 Benchmark]: Witness Printer took 4.27 ms. Allocated memory is still 1.2 GB. Free memory is still 846.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:05:47,308 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 564.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.17 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3815.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 919.4 MB in the end (delta: 153.8 MB). Peak memory consumption was 153.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2102.94 ms. Allocated memory is still 1.2 GB. Free memory was 919.4 MB in the beginning and 846.4 MB in the end (delta: 73.0 MB). Peak memory consumption was 73.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.27 ms. Allocated memory is still 1.2 GB. Free memory is still 846.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!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!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!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!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!driver_data - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!class - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!vendor - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!device - GenericResult: Unfinished Backtranslation unknown boogie variable ~__mod_pci_device_table~0!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!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!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!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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 2129]: 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 1781. Possible FailurePath: [L1781-L1783] static struct ni_670x_board const ni_670x_boards[3U] = { {11408U, "PCI-6703", 16U, 16U}, {6432U, "PXI-6704", 32U, 16U}, {4752U, "PCI-6704", 32U, 16U}}; [L1784-L1786] static struct pci_device_id const ni_670x_pci_table[3U] = { {4243U, 11408U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {4243U, 6432U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {0U, 0U, 0U, 0U, 0U, 0U, 0UL}}; [L1787] struct pci_device_id const __mod_pci_device_table ; [L1790-L1791] static struct comedi_driver driver_ni_670x = {0, "ni_670x", & __this_module, & ni_670x_attach, & ni_670x_detach, 0U, 0, 0}; [L1807-L1817] static struct pci_driver driver_ni_670x_pci_driver = {{0, 0}, 0, (struct pci_device_id const *)(& ni_670x_pci_table), & driver_ni_670x_pci_probe, & driver_ni_670x_pci_remove, 0, 0, 0, 0, 0, 0, {0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}}; [L1841] static struct comedi_lrange range_0_20mA = {1, {{0, 20000000, 1U}}}; [L2080] int LDV_IN_INTERRUPT ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni_670x={-2147483583:0}, driver_ni_670x_pci_driver={1073741891:0}, LDV_IN_INTERRUPT=0, ni_670x_boards={536870981:0}, ni_670x_pci_table={2:0}, range_0_20mA={10:0}] [L2083] struct comedi_device *var_group1 ; [L2084] struct comedi_devconfig *var_group2 ; [L2085] int tmp ; [L2086] int tmp___0 ; [L2087] int tmp___1 ; [L2089] LDV_IN_INTERRUPT = 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni_670x={-2147483583:0}, driver_ni_670x_pci_driver={1073741891:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={536870981:0}, ni_670x_pci_table={2:0}, range_0_20mA={10:0}] [L1820] int retval ; [L1821] int tmp ; [L2178] return __VERIFIER_nondet_int(); [L1823] retval = comedi_driver_register(& driver_ni_670x) [L1824] COND TRUE retval < 0 [L1825] return (retval); VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni_670x={-2147483583:0}, driver_ni_670x_pci_driver={1073741891:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={536870981:0}, ni_670x_pci_table={2:0}, range_0_20mA={10:0}] [L2092] tmp = driver_ni_670x_init_module() [L2093] COND TRUE tmp != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni_670x={-2147483583:0}, driver_ni_670x_pci_driver={1073741891:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={536870981:0}, ni_670x_pci_table={2:0}, range_0_20mA={10:0}] [L2143] int tmp ; [L2144] int tmp___0 ; [L2145] int tmp___1 ; [L2214] return __VERIFIER_nondet_int(); [L2147] tmp = ldv_module_license() [L2148] COND FALSE !(tmp == 1) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni_670x={-2147483583:0}, driver_ni_670x_pci_driver={1073741891:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={536870981:0}, ni_670x_pci_table={2:0}, range_0_20mA={10:0}] [L2129] __VERIFIER_error() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:0}, driver_ni_670x={-2147483583:0}, driver_ni_670x_pci_driver={1073741891:0}, LDV_IN_INTERRUPT=1, ni_670x_boards={536870981:0}, ni_670x_pci_table={2:0}, range_0_20mA={10:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 3 error locations. Result: UNSAFE, OverallTime: 2.0s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=227occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s 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...